2010-08-14 19:59:25 +02:00
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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2010-01-23 01:52:57 +01:00
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2010-02-03 13:03:47 +01:00
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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2012-04-12 00:20:58 +02:00
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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2010-02-03 13:03:47 +01:00
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2012-04-12 00:20:58 +02:00
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Lesser General Public License for more details.
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2010-02-03 13:03:47 +01:00
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2012-04-12 00:20:58 +02:00
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You should have received a copy of the GNU Lesser General Public License
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2010-02-03 13:03:47 +01:00
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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2010-01-23 01:52:57 +01:00
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#include <errno.h>
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2010-01-26 04:18:44 +01:00
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#include <signal.h>
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2010-02-14 01:09:01 +01:00
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#include <dirent.h>
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#include <unistd.h>
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2012-02-09 13:05:23 +01:00
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#include <sys/reboot.h>
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2010-01-23 01:52:57 +01:00
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2012-02-09 13:05:23 +01:00
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#include "manager.h"
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2010-01-26 21:39:06 +01:00
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#include "unit.h"
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2010-01-23 01:52:57 +01:00
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#include "service.h"
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#include "load-fragment.h"
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#include "load-dropin.h"
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2010-01-26 04:18:44 +01:00
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#include "log.h"
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2010-02-14 01:09:01 +01:00
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#include "strv.h"
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2010-04-15 03:11:11 +02:00
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#include "unit-name.h"
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2010-04-18 03:08:16 +02:00
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#include "dbus-service.h"
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2010-06-18 04:22:59 +02:00
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#include "special.h"
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2010-07-08 02:43:18 +02:00
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#include "bus-errors.h"
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2011-01-20 18:22:03 +01:00
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#include "exit-status.h"
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2011-03-17 04:02:35 +01:00
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#include "def.h"
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2012-05-07 21:36:12 +02:00
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#include "path-util.h"
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2011-03-17 04:02:35 +01:00
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#include "util.h"
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2012-03-12 22:22:16 +01:00
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#include "utf8.h"
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2010-01-26 04:18:44 +01:00
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2010-09-21 05:23:12 +02:00
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#ifdef HAVE_SYSV_COMPAT
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2010-10-08 02:49:44 +02:00
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2011-03-17 04:02:35 +01:00
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#define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
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2010-10-08 02:49:44 +02:00
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2010-04-24 05:02:25 +02:00
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typedef enum RunlevelType {
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RUNLEVEL_UP,
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RUNLEVEL_DOWN,
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2010-06-07 02:42:01 +02:00
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RUNLEVEL_SYSINIT
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2010-04-24 05:02:25 +02:00
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} RunlevelType;
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static const struct {
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const char *path;
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const char *target;
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const RunlevelType type;
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} rcnd_table[] = {
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2010-07-20 22:30:45 +02:00
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/* Standard SysV runlevels for start-up */
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2010-06-18 04:22:59 +02:00
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{ "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP },
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2010-05-13 22:24:22 +02:00
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{ "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
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{ "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
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{ "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
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{ "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
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2010-08-05 20:28:51 +02:00
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#ifdef TARGET_SUSE
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2010-05-20 17:55:42 +02:00
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/* SUSE style boot.d */
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2010-06-07 02:42:01 +02:00
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{ "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
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2010-08-05 20:28:51 +02:00
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#endif
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2010-05-13 22:24:22 +02:00
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2011-08-24 01:49:54 +02:00
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#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
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2010-05-13 22:24:22 +02:00
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/* Debian style rcS.d */
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2010-06-07 02:42:01 +02:00
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{ "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
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2010-08-05 20:28:51 +02:00
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#endif
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2010-07-20 22:30:45 +02:00
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/* Standard SysV runlevels for shutdown */
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{ "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
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{ "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }
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/* Note that the order here matters, as we read the
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directories in this order, and we want to make sure that
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sysv_start_priority is known when we first load the
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unit. And that value we only know from S links. Hence
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UP/SYSINIT must be read before DOWN */
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2010-04-06 02:43:58 +02:00
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};
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2010-04-24 05:02:25 +02:00
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#define RUNLEVELS_UP "12345"
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2010-05-13 22:24:22 +02:00
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/* #define RUNLEVELS_DOWN "06" */
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2011-10-17 21:00:42 +02:00
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#define RUNLEVELS_BOOT "bBsS"
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2010-09-21 05:23:12 +02:00
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#endif
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2010-04-24 05:02:25 +02:00
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2010-01-27 04:31:52 +01:00
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static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
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2010-01-26 21:39:06 +01:00
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[SERVICE_DEAD] = UNIT_INACTIVE,
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[SERVICE_START_PRE] = UNIT_ACTIVATING,
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[SERVICE_START] = UNIT_ACTIVATING,
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[SERVICE_START_POST] = UNIT_ACTIVATING,
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[SERVICE_RUNNING] = UNIT_ACTIVE,
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2010-04-13 02:06:27 +02:00
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[SERVICE_EXITED] = UNIT_ACTIVE,
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2010-07-01 03:34:15 +02:00
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[SERVICE_RELOAD] = UNIT_RELOADING,
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2010-01-26 21:39:06 +01:00
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[SERVICE_STOP] = UNIT_DEACTIVATING,
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[SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
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[SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
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[SERVICE_STOP_POST] = UNIT_DEACTIVATING,
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[SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
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[SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
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2010-08-31 00:23:34 +02:00
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[SERVICE_FAILED] = UNIT_FAILED,
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2010-07-01 00:31:53 +02:00
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[SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
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2010-01-26 04:18:44 +01:00
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};
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2010-01-23 01:52:57 +01:00
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2012-05-24 02:22:35 +02:00
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/* For Type=idle we never want to delay any other jobs, hence we
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* consider idle jobs active as soon as we start working on them */
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static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = {
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[SERVICE_DEAD] = UNIT_INACTIVE,
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[SERVICE_START_PRE] = UNIT_ACTIVE,
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[SERVICE_START] = UNIT_ACTIVE,
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[SERVICE_START_POST] = UNIT_ACTIVE,
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[SERVICE_RUNNING] = UNIT_ACTIVE,
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[SERVICE_EXITED] = UNIT_ACTIVE,
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[SERVICE_RELOAD] = UNIT_RELOADING,
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[SERVICE_STOP] = UNIT_DEACTIVATING,
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[SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
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[SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
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[SERVICE_STOP_POST] = UNIT_DEACTIVATING,
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[SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
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[SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
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[SERVICE_FAILED] = UNIT_FAILED,
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[SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
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};
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2010-04-21 03:27:44 +02:00
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static void service_init(Unit *u) {
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Service *s = SERVICE(u);
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2012-03-21 18:03:40 +01:00
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int i;
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2010-04-21 03:27:44 +02:00
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assert(u);
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2012-01-15 12:04:08 +01:00
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assert(u->load_state == UNIT_STUB);
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2010-04-21 03:27:44 +02:00
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s->timeout_usec = DEFAULT_TIMEOUT_USEC;
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s->restart_usec = DEFAULT_RESTART_USEC;
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2012-05-03 14:46:29 +02:00
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s->type = _SERVICE_TYPE_INVALID;
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2012-02-08 10:10:34 +01:00
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s->watchdog_watch.type = WATCH_INVALID;
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2010-04-21 03:27:44 +02:00
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s->timer_watch.type = WATCH_INVALID;
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2010-09-21 05:23:12 +02:00
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#ifdef HAVE_SYSV_COMPAT
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2010-04-21 03:27:44 +02:00
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s->sysv_start_priority = -1;
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2011-03-30 00:43:16 +02:00
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s->sysv_start_priority_from_rcnd = -1;
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2010-09-21 05:23:12 +02:00
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#endif
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2010-04-21 03:27:44 +02:00
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s->socket_fd = -1;
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2011-02-13 18:51:30 +01:00
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s->guess_main_pid = true;
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2010-04-21 03:27:44 +02:00
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exec_context_init(&s->exec_context);
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2012-03-21 18:03:40 +01:00
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for (i = 0; i < RLIMIT_NLIMITS; i++)
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if (UNIT(s)->manager->rlimit[i])
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s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1);
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2010-04-21 03:27:44 +02:00
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2012-02-09 13:05:23 +01:00
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RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5);
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2010-04-21 03:27:44 +02:00
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s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
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}
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2010-04-11 00:22:36 +02:00
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static void service_unwatch_control_pid(Service *s) {
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assert(s);
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if (s->control_pid <= 0)
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return;
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unit_unwatch_pid(UNIT(s), s->control_pid);
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s->control_pid = 0;
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}
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static void service_unwatch_main_pid(Service *s) {
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assert(s);
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if (s->main_pid <= 0)
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return;
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unit_unwatch_pid(UNIT(s), s->main_pid);
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s->main_pid = 0;
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}
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2012-01-19 23:58:07 +01:00
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static void service_unwatch_pid_file(Service *s) {
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if (!s->pid_file_pathspec)
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return;
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log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
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path_spec_unwatch(s->pid_file_pathspec, UNIT(s));
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path_spec_done(s->pid_file_pathspec);
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free(s->pid_file_pathspec);
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s->pid_file_pathspec = NULL;
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}
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2010-06-17 22:55:53 +02:00
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static int service_set_main_pid(Service *s, pid_t pid) {
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2010-06-18 22:05:29 +02:00
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pid_t ppid;
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2010-06-17 22:55:53 +02:00
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assert(s);
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if (pid <= 1)
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return -EINVAL;
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if (pid == getpid())
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return -EINVAL;
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2011-04-28 04:56:53 +02:00
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s->main_pid = pid;
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s->main_pid_known = true;
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if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
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2010-06-18 22:05:29 +02:00
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log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
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2012-01-15 12:25:20 +01:00
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UNIT(s)->id, (unsigned long) pid);
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2010-06-18 22:05:29 +02:00
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2011-04-28 04:56:53 +02:00
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s->main_pid_alien = true;
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} else
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s->main_pid_alien = false;
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2010-06-17 22:55:53 +02:00
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2010-07-04 18:49:58 +02:00
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exec_status_start(&s->main_exec_status, pid);
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2010-06-17 22:55:53 +02:00
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return 0;
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}
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2010-04-15 06:19:54 +02:00
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static void service_close_socket_fd(Service *s) {
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assert(s);
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if (s->socket_fd < 0)
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return;
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close_nointr_nofail(s->socket_fd);
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s->socket_fd = -1;
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}
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2010-06-19 04:25:28 +02:00
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static void service_connection_unref(Service *s) {
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assert(s);
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2012-01-06 23:08:54 +01:00
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if (!UNIT_DEREF(s->accept_socket))
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2010-06-19 04:25:28 +02:00
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return;
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2012-01-06 23:08:54 +01:00
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socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket)));
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unit_ref_unset(&s->accept_socket);
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2010-06-19 04:25:28 +02:00
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}
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2012-02-01 17:17:12 +01:00
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static void service_stop_watchdog(Service *s) {
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assert(s);
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2012-02-08 10:10:34 +01:00
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unit_unwatch_timer(UNIT(s), &s->watchdog_watch);
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2012-02-01 17:17:12 +01:00
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s->watchdog_timestamp.realtime = 0;
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s->watchdog_timestamp.monotonic = 0;
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}
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2012-02-08 10:10:34 +01:00
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static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart);
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static void service_handle_watchdog(Service *s) {
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usec_t offset;
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int r;
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assert(s);
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if (s->watchdog_usec == 0)
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return;
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offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic;
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if (offset >= s->watchdog_usec) {
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log_error("%s watchdog timeout!", UNIT(s)->id);
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service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true);
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return;
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}
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r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch);
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if (r < 0)
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log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r));
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}
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2012-02-01 17:17:12 +01:00
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static void service_reset_watchdog(Service *s) {
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assert(s);
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dual_timestamp_get(&s->watchdog_timestamp);
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2012-02-08 10:10:34 +01:00
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service_handle_watchdog(s);
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2012-02-01 17:17:12 +01:00
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}
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2010-01-26 21:39:06 +01:00
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static void service_done(Unit *u) {
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Service *s = SERVICE(u);
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2010-01-26 07:02:51 +01:00
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assert(s);
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free(s->pid_file);
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s->pid_file = NULL;
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|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2010-04-07 20:27:52 +02:00
|
|
|
free(s->sysv_runlevels);
|
|
|
|
s->sysv_runlevels = NULL;
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-04-07 20:27:52 +02:00
|
|
|
|
2010-06-16 05:10:31 +02:00
|
|
|
free(s->status_text);
|
|
|
|
s->status_text = NULL;
|
|
|
|
|
2010-01-26 07:02:51 +01:00
|
|
|
exec_context_done(&s->exec_context);
|
2010-04-10 17:53:17 +02:00
|
|
|
exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
|
2010-01-26 07:02:51 +01:00
|
|
|
s->control_command = NULL;
|
2011-01-20 18:46:38 +01:00
|
|
|
s->main_command = NULL;
|
2010-01-26 07:02:51 +01:00
|
|
|
|
|
|
|
/* This will leak a process, but at least no memory or any of
|
|
|
|
* our resources */
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_main_pid(s);
|
|
|
|
service_unwatch_control_pid(s);
|
2012-01-19 23:58:07 +01:00
|
|
|
service_unwatch_pid_file(s);
|
2010-01-26 07:02:51 +01:00
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
if (s->bus_name) {
|
2012-01-15 12:04:08 +01:00
|
|
|
unit_unwatch_bus_name(u, s->bus_name);
|
2010-04-15 23:16:16 +02:00
|
|
|
free(s->bus_name);
|
|
|
|
s->bus_name = NULL;
|
|
|
|
}
|
|
|
|
|
2010-04-15 06:19:54 +02:00
|
|
|
service_close_socket_fd(s);
|
2010-06-19 04:25:28 +02:00
|
|
|
service_connection_unref(s);
|
2010-04-15 06:19:54 +02:00
|
|
|
|
2012-01-06 23:08:54 +01:00
|
|
|
unit_ref_unset(&s->accept_socket);
|
2010-10-05 19:49:15 +02:00
|
|
|
|
2012-02-08 10:10:34 +01:00
|
|
|
service_stop_watchdog(s);
|
|
|
|
|
2010-01-27 04:31:52 +01:00
|
|
|
unit_unwatch_timer(u, &s->timer_watch);
|
2010-01-26 07:02:51 +01:00
|
|
|
}
|
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2010-05-19 03:44:07 +02:00
|
|
|
static char *sysv_translate_name(const char *name) {
|
|
|
|
char *r;
|
|
|
|
|
|
|
|
if (!(r = new(char, strlen(name) + sizeof(".service"))))
|
|
|
|
return NULL;
|
|
|
|
|
2011-05-06 09:19:08 +02:00
|
|
|
#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
|
2010-12-27 18:41:54 +01:00
|
|
|
if (endswith(name, ".sh"))
|
|
|
|
/* Drop Debian-style .sh suffix */
|
|
|
|
strcpy(stpcpy(r, name) - 3, ".service");
|
|
|
|
#endif
|
|
|
|
#ifdef TARGET_SUSE
|
2010-05-19 03:44:07 +02:00
|
|
|
if (startswith(name, "boot."))
|
|
|
|
/* Drop SuSE-style boot. prefix */
|
|
|
|
strcpy(stpcpy(r, name + 5), ".service");
|
2010-12-27 18:41:54 +01:00
|
|
|
#endif
|
2010-12-07 22:51:21 +01:00
|
|
|
#ifdef TARGET_FRUGALWARE
|
2010-12-27 18:41:54 +01:00
|
|
|
if (startswith(name, "rc."))
|
2010-12-07 22:51:21 +01:00
|
|
|
/* Drop Frugalware-style rc. prefix */
|
|
|
|
strcpy(stpcpy(r, name + 3), ".service");
|
2010-09-19 00:45:00 +02:00
|
|
|
#endif
|
2010-05-19 03:44:07 +02:00
|
|
|
else
|
|
|
|
/* Normal init scripts */
|
|
|
|
strcpy(stpcpy(r, name), ".service");
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:02 +02:00
|
|
|
/* We silently ignore the $ prefix here. According to the LSB
|
|
|
|
* spec it simply indicates whether something is a
|
|
|
|
* standardized name or a distribution-specific one. Since we
|
|
|
|
* just follow what already exists and do not introduce new
|
|
|
|
* uses or names we don't care who introduced a new name. */
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
static const char * const table[] = {
|
2010-05-24 19:56:25 +02:00
|
|
|
/* LSB defined facilities */
|
2010-09-28 18:30:02 +02:00
|
|
|
"local_fs", SPECIAL_LOCAL_FS_TARGET,
|
2011-10-28 19:16:33 +02:00
|
|
|
#if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
|
|
|
|
#else
|
2011-06-15 15:31:54 +02:00
|
|
|
/* Due to unfortunate name selection in Mandriva,
|
|
|
|
* $network is provided by network-up which is ordered
|
|
|
|
* after network which actually starts interfaces.
|
|
|
|
* To break the loop, just ignore it */
|
2010-09-28 18:30:02 +02:00
|
|
|
"network", SPECIAL_NETWORK_TARGET,
|
2011-03-08 19:47:29 +01:00
|
|
|
#endif
|
2010-09-28 18:30:02 +02:00
|
|
|
"named", SPECIAL_NSS_LOOKUP_TARGET,
|
|
|
|
"portmap", SPECIAL_RPCBIND_TARGET,
|
|
|
|
"remote_fs", SPECIAL_REMOTE_FS_TARGET,
|
|
|
|
"syslog", SPECIAL_SYSLOG_TARGET,
|
2011-04-06 19:18:11 +02:00
|
|
|
"time", SPECIAL_TIME_SYNC_TARGET,
|
2010-05-24 19:56:25 +02:00
|
|
|
|
2010-12-09 18:50:30 +01:00
|
|
|
/* common extensions */
|
|
|
|
"mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
|
|
|
|
"x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
|
|
|
|
"null", NULL,
|
|
|
|
|
2011-05-06 09:19:08 +02:00
|
|
|
#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
|
2010-09-28 18:30:02 +02:00
|
|
|
"mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
|
2010-08-26 02:28:37 +02:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef TARGET_FEDORA
|
2010-09-28 18:30:02 +02:00
|
|
|
"MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
|
|
|
|
"smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
|
|
|
|
"httpd", SPECIAL_HTTP_DAEMON_TARGET,
|
2010-08-26 02:28:37 +02:00
|
|
|
#endif
|
2010-09-28 18:30:02 +02:00
|
|
|
|
2010-12-09 18:50:30 +01:00
|
|
|
#ifdef TARGET_SUSE
|
|
|
|
"smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
|
|
|
|
#endif
|
2010-02-14 01:09:01 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
unsigned i;
|
|
|
|
char *r;
|
2010-09-28 21:08:39 +02:00
|
|
|
const char *n;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
assert(name);
|
|
|
|
assert(_r);
|
2010-09-28 18:30:02 +02:00
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
n = *name == '$' ? name + 1 : name;
|
2010-09-28 18:30:02 +02:00
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
for (i = 0; i < ELEMENTSOF(table); i += 2) {
|
2010-09-28 18:30:02 +02:00
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
if (!streq(table[i], n))
|
|
|
|
continue;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
if (!table[i+1])
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (!(r = strdup(table[i+1])))
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
goto finish;
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:02 +02:00
|
|
|
/* If we don't know this name, fallback heuristics to figure
|
2010-10-14 00:54:48 +02:00
|
|
|
* out whether something is a target or a service alias. */
|
2010-09-28 18:30:02 +02:00
|
|
|
|
2011-01-06 23:52:58 +01:00
|
|
|
if (*name == '$') {
|
|
|
|
if (!unit_prefix_is_valid(n))
|
|
|
|
return -EINVAL;
|
|
|
|
|
2010-09-28 21:08:39 +02:00
|
|
|
/* Facilities starting with $ are most likely targets */
|
|
|
|
r = unit_name_build(n, NULL, ".target");
|
2011-01-06 23:52:58 +01:00
|
|
|
} else if (filename && streq(name, filename))
|
2011-02-21 15:32:17 +01:00
|
|
|
/* Names equaling the file name of the services are redundant */
|
2010-09-28 21:08:39 +02:00
|
|
|
return 0;
|
2010-09-13 23:54:21 +02:00
|
|
|
else
|
2010-09-28 21:08:39 +02:00
|
|
|
/* Everything else we assume to be normal service names */
|
|
|
|
r = sysv_translate_name(n);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-13 23:54:21 +02:00
|
|
|
if (!r)
|
2010-02-14 01:09:01 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
finish:
|
2011-03-04 14:54:15 +01:00
|
|
|
*_r = r;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2010-05-19 03:44:37 +02:00
|
|
|
static int sysv_fix_order(Service *s) {
|
2012-01-15 12:04:08 +01:00
|
|
|
Unit *other;
|
2010-02-14 01:09:01 +01:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
if (s->sysv_start_priority < 0)
|
|
|
|
return 0;
|
|
|
|
|
2010-04-06 02:43:58 +02:00
|
|
|
/* For each pair of services where at least one lacks a LSB
|
|
|
|
* header, we use the start priority value to order things. */
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
|
2010-02-14 01:09:01 +01:00
|
|
|
Service *t;
|
|
|
|
UnitDependency d;
|
2010-08-05 19:46:31 +02:00
|
|
|
bool special_s, special_t;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2012-01-15 12:37:16 +01:00
|
|
|
t = SERVICE(other);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (s == t)
|
|
|
|
continue;
|
2010-09-27 23:24:17 +02:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(t)->load_state != UNIT_LOADED)
|
2010-09-27 23:24:17 +02:00
|
|
|
continue;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (t->sysv_start_priority < 0)
|
|
|
|
continue;
|
|
|
|
|
2010-04-10 05:05:05 +02:00
|
|
|
/* If both units have modern headers we don't care
|
|
|
|
* about the priorities */
|
2012-01-15 12:25:20 +01:00
|
|
|
if ((UNIT(s)->fragment_path || s->sysv_has_lsb) &&
|
|
|
|
(UNIT(t)->fragment_path || t->sysv_has_lsb))
|
2010-04-06 02:43:58 +02:00
|
|
|
continue;
|
|
|
|
|
2010-08-05 19:46:31 +02:00
|
|
|
special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
|
|
|
|
special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
|
|
|
|
|
|
|
|
if (special_t && !special_s)
|
|
|
|
d = UNIT_AFTER;
|
|
|
|
else if (special_s && !special_t)
|
|
|
|
d = UNIT_BEFORE;
|
|
|
|
else if (t->sysv_start_priority < s->sysv_start_priority)
|
2010-02-14 01:09:01 +01:00
|
|
|
d = UNIT_AFTER;
|
|
|
|
else if (t->sysv_start_priority > s->sysv_start_priority)
|
|
|
|
d = UNIT_BEFORE;
|
|
|
|
else
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* FIXME: Maybe we should compare the name here lexicographically? */
|
|
|
|
|
2011-03-31 15:35:40 +02:00
|
|
|
if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
|
2010-02-14 01:09:01 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ExecCommand *exec_command_new(const char *path, const char *arg1) {
|
|
|
|
ExecCommand *c;
|
|
|
|
|
|
|
|
if (!(c = new0(ExecCommand, 1)))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
if (!(c->path = strdup(path))) {
|
|
|
|
free(c);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(c->argv = strv_new(path, arg1, NULL))) {
|
|
|
|
free(c->path);
|
|
|
|
free(c);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int sysv_exec_commands(Service *s) {
|
|
|
|
ExecCommand *c;
|
|
|
|
|
|
|
|
assert(s);
|
2012-05-22 23:08:24 +02:00
|
|
|
assert(s->is_sysv);
|
|
|
|
assert(UNIT(s)->source_path);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
c = exec_command_new(UNIT(s)->source_path, "start");
|
|
|
|
if (!c)
|
2010-02-14 01:09:01 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
|
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
c = exec_command_new(UNIT(s)->source_path, "stop");
|
|
|
|
if (!c)
|
2010-02-14 01:09:01 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
|
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
c = exec_command_new(UNIT(s)->source_path, "reload");
|
|
|
|
if (!c)
|
2010-02-14 01:09:01 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
static int service_load_sysv_path(Service *s, const char *path) {
|
2010-02-14 01:09:01 +01:00
|
|
|
FILE *f;
|
|
|
|
Unit *u;
|
|
|
|
unsigned line = 0;
|
|
|
|
int r;
|
|
|
|
enum {
|
|
|
|
NORMAL,
|
|
|
|
DESCRIPTION,
|
|
|
|
LSB,
|
|
|
|
LSB_DESCRIPTION
|
|
|
|
} state = NORMAL;
|
2010-09-28 18:30:32 +02:00
|
|
|
char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description;
|
2011-06-15 15:34:19 +02:00
|
|
|
struct stat st;
|
2010-04-06 02:43:58 +02:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(path);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
u = UNIT(s);
|
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
f = fopen(path, "re");
|
|
|
|
if (!f) {
|
2010-02-14 01:09:01 +01:00
|
|
|
r = errno == ENOENT ? 0 : -errno;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2011-06-15 15:34:19 +02:00
|
|
|
zero(st);
|
|
|
|
if (fstat(fileno(f), &st) < 0) {
|
|
|
|
r = -errno;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
free(u->source_path);
|
|
|
|
u->source_path = strdup(path);
|
|
|
|
if (!u->source_path) {
|
2010-02-14 01:09:01 +01:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
2012-05-22 23:08:24 +02:00
|
|
|
u->source_mtime = timespec_load(&st.st_mtim);
|
2011-06-15 15:34:19 +02:00
|
|
|
|
|
|
|
if (null_or_empty(&st)) {
|
2012-01-15 12:04:08 +01:00
|
|
|
u->load_state = UNIT_MASKED;
|
2011-06-15 15:34:19 +02:00
|
|
|
r = 0;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2012-05-22 23:08:24 +02:00
|
|
|
s->is_sysv = true;
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
while (!feof(f)) {
|
|
|
|
char l[LINE_MAX], *t;
|
|
|
|
|
|
|
|
if (!fgets(l, sizeof(l), f)) {
|
|
|
|
if (feof(f))
|
|
|
|
break;
|
|
|
|
|
|
|
|
r = -errno;
|
|
|
|
log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
line++;
|
|
|
|
|
|
|
|
t = strstrip(l);
|
|
|
|
if (*t != '#')
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
|
|
|
|
state = LSB;
|
2010-04-06 02:43:58 +02:00
|
|
|
s->sysv_has_lsb = true;
|
2010-02-14 01:09:01 +01:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
|
|
|
|
state = NORMAL;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
t++;
|
|
|
|
t += strspn(t, WHITESPACE);
|
|
|
|
|
|
|
|
if (state == NORMAL) {
|
|
|
|
|
|
|
|
/* Try to parse Red Hat style chkconfig headers */
|
|
|
|
|
2010-05-24 19:23:11 +02:00
|
|
|
if (startswith_no_case(t, "chkconfig:")) {
|
2010-02-14 01:09:01 +01:00
|
|
|
int start_priority;
|
2010-04-07 20:27:52 +02:00
|
|
|
char runlevels[16], *k;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
state = NORMAL;
|
|
|
|
|
2010-04-07 20:27:52 +02:00
|
|
|
if (sscanf(t+10, "%15s %i %*i",
|
|
|
|
runlevels,
|
|
|
|
&start_priority) != 2) {
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2010-05-13 22:24:22 +02:00
|
|
|
/* A start priority gathered from the
|
|
|
|
* symlink farms is preferred over the
|
|
|
|
* data from the LSB header. */
|
2010-04-07 20:27:52 +02:00
|
|
|
if (start_priority < 0 || start_priority > 99)
|
2010-02-14 01:09:01 +01:00
|
|
|
log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
|
2011-03-30 00:43:16 +02:00
|
|
|
else
|
2010-04-07 20:27:52 +02:00
|
|
|
s->sysv_start_priority = start_priority;
|
|
|
|
|
|
|
|
char_array_0(runlevels);
|
|
|
|
k = delete_chars(runlevels, WHITESPACE "-");
|
|
|
|
|
|
|
|
if (k[0]) {
|
|
|
|
char *d;
|
|
|
|
|
|
|
|
if (!(d = strdup(k))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(s->sysv_runlevels);
|
|
|
|
s->sysv_runlevels = d;
|
2010-02-14 01:09:01 +01:00
|
|
|
}
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
} else if (startswith_no_case(t, "description:")) {
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
size_t k = strlen(t);
|
|
|
|
char *d;
|
2010-09-28 18:30:32 +02:00
|
|
|
const char *j;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (t[k-1] == '\\') {
|
|
|
|
state = DESCRIPTION;
|
|
|
|
t[k-1] = 0;
|
|
|
|
}
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if ((j = strstrip(t+12)) && *j) {
|
|
|
|
if (!(d = strdup(j))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
d = NULL;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
free(chkconfig_description);
|
|
|
|
chkconfig_description = d;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-05-24 19:23:11 +02:00
|
|
|
} else if (startswith_no_case(t, "pidfile:")) {
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
char *fn;
|
|
|
|
|
|
|
|
state = NORMAL;
|
|
|
|
|
|
|
|
fn = strstrip(t+8);
|
|
|
|
if (!path_is_absolute(fn)) {
|
|
|
|
log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(fn = strdup(fn))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(s->pid_file);
|
|
|
|
s->pid_file = fn;
|
|
|
|
}
|
|
|
|
|
|
|
|
} else if (state == DESCRIPTION) {
|
|
|
|
|
|
|
|
/* Try to parse Red Hat style description
|
|
|
|
* continuation */
|
|
|
|
|
|
|
|
size_t k = strlen(t);
|
2010-09-28 18:30:32 +02:00
|
|
|
char *j;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (t[k-1] == '\\')
|
|
|
|
t[k-1] = 0;
|
|
|
|
else
|
|
|
|
state = NORMAL;
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if ((j = strstrip(t)) && *j) {
|
|
|
|
char *d = NULL;
|
|
|
|
|
|
|
|
if (chkconfig_description)
|
2011-08-01 02:39:22 +02:00
|
|
|
d = join(chkconfig_description, " ", j, NULL);
|
2010-09-28 18:30:32 +02:00
|
|
|
else
|
|
|
|
d = strdup(j);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if (!d) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(chkconfig_description);
|
|
|
|
chkconfig_description = d;
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
} else if (state == LSB || state == LSB_DESCRIPTION) {
|
|
|
|
|
2010-05-24 19:23:11 +02:00
|
|
|
if (startswith_no_case(t, "Provides:")) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char *i, *w;
|
|
|
|
size_t z;
|
|
|
|
|
|
|
|
state = LSB;
|
|
|
|
|
2010-07-07 20:58:41 +02:00
|
|
|
FOREACH_WORD_QUOTED(w, z, t+9, i) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char *n, *m;
|
|
|
|
|
|
|
|
if (!(n = strndup(w, z))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2012-05-07 21:36:12 +02:00
|
|
|
r = sysv_translate_facility(n, path_get_file_name(path), &m);
|
2010-02-14 01:09:01 +01:00
|
|
|
free(n);
|
|
|
|
|
|
|
|
if (r < 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
if (r == 0)
|
|
|
|
continue;
|
|
|
|
|
2010-04-01 21:30:40 +02:00
|
|
|
if (unit_name_to_type(m) == UNIT_SERVICE)
|
|
|
|
r = unit_add_name(u, m);
|
2011-03-18 05:26:25 +01:00
|
|
|
else
|
|
|
|
/* NB: SysV targets
|
|
|
|
* which are provided
|
|
|
|
* by a service are
|
|
|
|
* pulled in by the
|
|
|
|
* services, as an
|
|
|
|
* indication that the
|
|
|
|
* generic service is
|
|
|
|
* now available. This
|
|
|
|
* is strictly
|
|
|
|
* one-way. The
|
|
|
|
* targets do NOT pull
|
|
|
|
* in the SysV
|
|
|
|
* services! */
|
|
|
|
r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true);
|
2010-04-01 21:30:40 +02:00
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
if (r < 0)
|
2010-08-26 04:10:17 +02:00
|
|
|
log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
|
2010-08-26 04:08:28 +02:00
|
|
|
|
|
|
|
free(m);
|
2010-02-14 01:09:01 +01:00
|
|
|
}
|
|
|
|
|
2010-05-24 19:23:11 +02:00
|
|
|
} else if (startswith_no_case(t, "Required-Start:") ||
|
|
|
|
startswith_no_case(t, "Should-Start:") ||
|
|
|
|
startswith_no_case(t, "X-Start-Before:") ||
|
|
|
|
startswith_no_case(t, "X-Start-After:")) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char *i, *w;
|
|
|
|
size_t z;
|
|
|
|
|
|
|
|
state = LSB;
|
|
|
|
|
2010-07-07 20:58:41 +02:00
|
|
|
FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char *n, *m;
|
|
|
|
|
|
|
|
if (!(n = strndup(w, z))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2012-05-07 21:36:12 +02:00
|
|
|
r = sysv_translate_facility(n, path_get_file_name(path), &m);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2011-01-06 23:52:58 +01:00
|
|
|
if (r < 0) {
|
|
|
|
log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r));
|
|
|
|
free(n);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(n);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (r == 0)
|
|
|
|
continue;
|
|
|
|
|
2010-05-24 19:23:11 +02:00
|
|
|
r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (r < 0)
|
2010-08-26 04:10:17 +02:00
|
|
|
log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
|
2010-08-26 04:08:28 +02:00
|
|
|
|
|
|
|
free(m);
|
2010-02-14 01:09:01 +01:00
|
|
|
}
|
2010-05-24 19:23:11 +02:00
|
|
|
} else if (startswith_no_case(t, "Default-Start:")) {
|
2010-04-07 20:27:52 +02:00
|
|
|
char *k, *d;
|
|
|
|
|
|
|
|
state = LSB;
|
|
|
|
|
|
|
|
k = delete_chars(t+14, WHITESPACE "-");
|
|
|
|
|
|
|
|
if (k[0] != 0) {
|
|
|
|
if (!(d = strdup(k))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(s->sysv_runlevels);
|
|
|
|
s->sysv_runlevels = d;
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
} else if (startswith_no_case(t, "Description:")) {
|
|
|
|
char *d, *j;
|
2010-07-07 02:16:14 +02:00
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
state = LSB_DESCRIPTION;
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if ((j = strstrip(t+12)) && *j) {
|
|
|
|
if (!(d = strdup(j))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
d = NULL;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
free(long_description);
|
|
|
|
long_description = d;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-07-07 02:16:14 +02:00
|
|
|
} else if (startswith_no_case(t, "Short-Description:")) {
|
2010-09-28 18:30:32 +02:00
|
|
|
char *d, *j;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
state = LSB;
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if ((j = strstrip(t+18)) && *j) {
|
|
|
|
if (!(d = strdup(j))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
d = NULL;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
free(short_description);
|
|
|
|
short_description = d;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
} else if (state == LSB_DESCRIPTION) {
|
|
|
|
|
|
|
|
if (startswith(l, "#\t") || startswith(l, "# ")) {
|
2010-09-28 18:30:32 +02:00
|
|
|
char *j;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
if ((j = strstrip(t)) && *j) {
|
|
|
|
char *d = NULL;
|
|
|
|
|
|
|
|
if (long_description)
|
2011-08-01 02:39:22 +02:00
|
|
|
d = join(long_description, " ", t, NULL);
|
2010-09-28 18:30:32 +02:00
|
|
|
else
|
|
|
|
d = strdup(j);
|
|
|
|
|
|
|
|
if (!d) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(long_description);
|
|
|
|
long_description = d;
|
2010-02-14 01:09:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
} else
|
|
|
|
state = LSB;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((r = sysv_exec_commands(s)) < 0)
|
|
|
|
goto finish;
|
2011-10-17 21:00:42 +02:00
|
|
|
if (s->sysv_runlevels &&
|
|
|
|
chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) &&
|
|
|
|
chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
|
|
|
|
/* Service has both boot and "up" runlevels
|
|
|
|
configured. Kill the "up" ones. */
|
|
|
|
delete_chars(s->sysv_runlevels, RUNLEVELS_UP);
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-07-03 19:48:33 +02:00
|
|
|
if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
|
2010-04-07 20:28:44 +02:00
|
|
|
/* If there a runlevels configured for this service
|
|
|
|
* but none of the standard ones, then we assume this
|
|
|
|
* is some special kind of service (which might be
|
|
|
|
* needed for early boot) and don't create any links
|
|
|
|
* to it. */
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
UNIT(s)->default_dependencies = false;
|
2010-04-24 05:02:25 +02:00
|
|
|
|
|
|
|
/* Don't timeout special services during boot (like fsck) */
|
|
|
|
s->timeout_usec = 0;
|
2010-10-08 02:49:44 +02:00
|
|
|
} else
|
|
|
|
s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC;
|
2010-04-04 22:51:16 +02:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
/* Special setting for all SysV services */
|
2010-06-02 19:15:42 +02:00
|
|
|
s->type = SERVICE_FORKING;
|
2011-07-05 10:14:12 +02:00
|
|
|
s->remain_after_exit = !s->pid_file;
|
2011-10-11 20:21:06 +02:00
|
|
|
s->guess_main_pid = false;
|
2010-10-05 20:30:44 +02:00
|
|
|
s->restart = SERVICE_RESTART_NO;
|
2012-02-09 03:18:04 +01:00
|
|
|
s->exec_context.ignore_sigpipe = false;
|
2011-03-29 23:31:38 +02:00
|
|
|
s->exec_context.kill_mode = KILL_PROCESS;
|
2010-04-13 02:06:27 +02:00
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
/* We use the long description only if
|
|
|
|
* no short description is set. */
|
|
|
|
|
|
|
|
if (short_description)
|
|
|
|
description = short_description;
|
|
|
|
else if (chkconfig_description)
|
|
|
|
description = chkconfig_description;
|
|
|
|
else if (long_description)
|
|
|
|
description = long_description;
|
|
|
|
else
|
|
|
|
description = NULL;
|
|
|
|
|
|
|
|
if (description) {
|
|
|
|
char *d;
|
|
|
|
|
2011-03-08 18:51:20 +01:00
|
|
|
if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) {
|
2010-09-28 18:30:32 +02:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
u->description = d;
|
2010-09-28 18:30:32 +02:00
|
|
|
}
|
|
|
|
|
2011-03-30 00:43:16 +02:00
|
|
|
/* The priority that has been set in /etc/rcN.d/ hierarchies
|
|
|
|
* takes precedence over what is stored as default in the LSB
|
|
|
|
* header */
|
|
|
|
if (s->sysv_start_priority_from_rcnd >= 0)
|
|
|
|
s->sysv_start_priority = s->sysv_start_priority_from_rcnd;
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
u->load_state = UNIT_LOADED;
|
2010-04-06 02:43:58 +02:00
|
|
|
r = 0;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
finish:
|
|
|
|
|
|
|
|
if (f)
|
|
|
|
fclose(f);
|
|
|
|
|
2010-09-28 18:30:32 +02:00
|
|
|
free(short_description);
|
|
|
|
free(long_description);
|
|
|
|
free(chkconfig_description);
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
static int service_load_sysv_name(Service *s, const char *name) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char **p;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(name);
|
|
|
|
|
2010-12-16 14:29:34 +01:00
|
|
|
/* For SysV services we strip the boot.*, rc.* and *.sh
|
2010-05-19 21:52:30 +02:00
|
|
|
* prefixes/suffixes. */
|
2011-05-06 09:19:08 +02:00
|
|
|
#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
|
2010-12-27 18:41:54 +01:00
|
|
|
if (endswith(name, ".sh.service"))
|
2010-05-19 21:52:30 +02:00
|
|
|
return -ENOENT;
|
2010-12-27 18:41:54 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef TARGET_SUSE
|
|
|
|
if (startswith(name, "boot."))
|
|
|
|
return -ENOENT;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef TARGET_FRUGALWARE
|
|
|
|
if (startswith(name, "rc."))
|
|
|
|
return -ENOENT;
|
|
|
|
#endif
|
2010-05-19 21:52:30 +02:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
|
2010-02-14 01:09:01 +01:00
|
|
|
char *path;
|
|
|
|
int r;
|
|
|
|
|
2011-08-01 02:39:22 +02:00
|
|
|
path = join(*p, "/", name, NULL);
|
|
|
|
if (!path)
|
2010-02-14 01:09:01 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
assert(endswith(path, ".service"));
|
|
|
|
path[strlen(path)-8] = 0;
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
r = service_load_sysv_path(s, path);
|
2010-05-13 22:24:22 +02:00
|
|
|
|
2011-05-06 09:19:08 +02:00
|
|
|
#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
|
2012-01-15 12:25:20 +01:00
|
|
|
if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
|
2010-12-16 14:29:34 +01:00
|
|
|
/* Try Debian style *.sh source'able init scripts */
|
2010-05-13 22:24:22 +02:00
|
|
|
strcat(path, ".sh");
|
|
|
|
r = service_load_sysv_path(s, path);
|
|
|
|
}
|
2010-12-16 14:29:34 +01:00
|
|
|
#endif
|
2010-02-14 01:09:01 +01:00
|
|
|
free(path);
|
|
|
|
|
2010-12-16 14:29:34 +01:00
|
|
|
#ifdef TARGET_SUSE
|
2012-01-15 12:25:20 +01:00
|
|
|
if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
|
2010-12-16 14:29:34 +01:00
|
|
|
/* Try SUSE style boot.* init scripts */
|
2010-05-13 22:24:22 +02:00
|
|
|
|
2011-08-01 02:39:22 +02:00
|
|
|
path = join(*p, "/boot.", name, NULL);
|
|
|
|
if (!path)
|
2010-05-13 22:24:22 +02:00
|
|
|
return -ENOMEM;
|
|
|
|
|
2010-12-16 14:29:34 +01:00
|
|
|
/* Drop .service suffix */
|
2010-05-13 22:24:22 +02:00
|
|
|
path[strlen(path)-8] = 0;
|
|
|
|
r = service_load_sysv_path(s, path);
|
|
|
|
free(path);
|
|
|
|
}
|
2010-12-16 14:29:34 +01:00
|
|
|
#endif
|
2010-05-13 22:24:22 +02:00
|
|
|
|
2010-12-16 14:29:34 +01:00
|
|
|
#ifdef TARGET_FRUGALWARE
|
2012-01-15 12:25:20 +01:00
|
|
|
if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
|
2010-12-16 14:29:34 +01:00
|
|
|
/* Try Frugalware style rc.* init scripts */
|
2010-12-07 22:51:21 +01:00
|
|
|
|
2011-08-01 02:39:22 +02:00
|
|
|
path = join(*p, "/rc.", name, NULL);
|
|
|
|
if (!path)
|
2010-12-07 22:51:21 +01:00
|
|
|
return -ENOMEM;
|
|
|
|
|
2010-12-16 14:29:34 +01:00
|
|
|
/* Drop .service suffix */
|
2010-12-07 22:51:21 +01:00
|
|
|
path[strlen(path)-8] = 0;
|
|
|
|
r = service_load_sysv_path(s, path);
|
|
|
|
free(path);
|
|
|
|
}
|
2010-12-16 14:29:34 +01:00
|
|
|
#endif
|
2010-12-07 22:51:21 +01:00
|
|
|
|
2010-04-06 02:43:58 +02:00
|
|
|
if (r < 0)
|
2010-02-14 01:09:01 +01:00
|
|
|
return r;
|
2010-04-06 02:43:58 +02:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if ((UNIT(s)->load_state != UNIT_STUB))
|
2010-04-06 02:43:58 +02:00
|
|
|
break;
|
2010-02-14 01:09:01 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
static int service_load_sysv(Service *s) {
|
2010-02-14 01:09:01 +01:00
|
|
|
const char *t;
|
|
|
|
Iterator i;
|
|
|
|
int r;
|
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
assert(s);
|
|
|
|
|
|
|
|
/* Load service data from SysV init scripts, preferably with
|
|
|
|
* LSB headers ... */
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path))
|
2010-02-14 01:09:01 +01:00
|
|
|
return 0;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if ((t = UNIT(s)->id))
|
2010-04-10 17:53:17 +02:00
|
|
|
if ((r = service_load_sysv_name(s, t)) < 0)
|
2010-02-14 01:09:01 +01:00
|
|
|
return r;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->load_state == UNIT_STUB)
|
|
|
|
SET_FOREACH(t, UNIT(s)->names, i) {
|
|
|
|
if (t == UNIT(s)->id)
|
2010-04-10 17:53:17 +02:00
|
|
|
continue;
|
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if ((r = service_load_sysv_name(s, t)) < 0)
|
2010-04-06 02:43:58 +02:00
|
|
|
return r;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->load_state != UNIT_STUB)
|
2010-04-06 02:43:58 +02:00
|
|
|
break;
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
return 0;
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-10-13 03:57:04 +02:00
|
|
|
static int fsck_fix_order(Service *s) {
|
2012-01-15 12:04:08 +01:00
|
|
|
Unit *other;
|
2010-10-13 03:57:04 +02:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
if (s->fsck_passno <= 0)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* For each pair of services where both have an fsck priority
|
|
|
|
* we order things based on it. */
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
|
2010-10-13 03:57:04 +02:00
|
|
|
Service *t;
|
|
|
|
UnitDependency d;
|
|
|
|
|
2012-01-15 12:37:16 +01:00
|
|
|
t = SERVICE(other);
|
2010-10-13 03:57:04 +02:00
|
|
|
|
|
|
|
if (s == t)
|
|
|
|
continue;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(t)->load_state != UNIT_LOADED)
|
2010-10-13 03:57:04 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
if (t->fsck_passno <= 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (t->fsck_passno < s->fsck_passno)
|
|
|
|
d = UNIT_AFTER;
|
|
|
|
else if (t->fsck_passno > s->fsck_passno)
|
|
|
|
d = UNIT_BEFORE;
|
|
|
|
else
|
|
|
|
continue;
|
|
|
|
|
2011-03-31 15:35:40 +02:00
|
|
|
if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
|
2010-10-13 03:57:04 +02:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-04-13 04:00:03 +02:00
|
|
|
static int service_verify(Service *s) {
|
|
|
|
assert(s);
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->load_state != UNIT_LOADED)
|
2010-04-13 04:00:03 +02:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (!s->exec_command[SERVICE_EXEC_START]) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
|
2010-04-13 04:00:03 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
if (s->type != SERVICE_ONESHOT &&
|
|
|
|
s->exec_command[SERVICE_EXEC_START]->command_next) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
|
2010-06-19 04:25:28 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2011-01-20 18:44:06 +01:00
|
|
|
if (s->type == SERVICE_ONESHOT &&
|
|
|
|
s->exec_command[SERVICE_EXEC_RELOAD]) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
|
2011-01-20 18:44:06 +01:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
if (s->type == SERVICE_DBUS && !s->bus_name) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
|
2010-06-19 16:57:54 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2012-05-03 14:42:49 +02:00
|
|
|
if (s->bus_name && s->type != SERVICE_DBUS)
|
|
|
|
log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id);
|
|
|
|
|
2010-07-10 04:49:37 +02:00
|
|
|
if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
|
2010-04-15 23:16:16 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2010-04-13 04:00:03 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-03 19:48:33 +02:00
|
|
|
static int service_add_default_dependencies(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
/* Add a number of automatic dependencies useful for the
|
|
|
|
* majority of services. */
|
|
|
|
|
|
|
|
/* First, pull in base system */
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
|
2010-07-03 19:48:33 +02:00
|
|
|
|
|
|
|
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
|
|
|
|
return r;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
} else if (UNIT(s)->manager->running_as == MANAGER_USER) {
|
2010-07-03 19:48:33 +02:00
|
|
|
|
|
|
|
if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Second, activate normal shutdown */
|
2010-10-29 01:15:18 +02:00
|
|
|
return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
|
2010-07-03 19:48:33 +02:00
|
|
|
}
|
|
|
|
|
2011-09-22 03:29:51 +02:00
|
|
|
static void service_fix_output(Service *s) {
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
/* If nothing has been explicitly configured, patch default
|
|
|
|
* output in. If input is socket/tty we avoid this however,
|
|
|
|
* since in that case we want output to default to the same
|
|
|
|
* place as we read input from. */
|
|
|
|
|
|
|
|
if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT &&
|
|
|
|
s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
|
|
|
|
s->exec_context.std_input == EXEC_INPUT_NULL)
|
2012-01-15 12:25:20 +01:00
|
|
|
s->exec_context.std_error = UNIT(s)->manager->default_std_error;
|
2011-09-22 03:29:51 +02:00
|
|
|
|
|
|
|
if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
|
|
|
|
s->exec_context.std_input == EXEC_INPUT_NULL)
|
2012-01-15 12:25:20 +01:00
|
|
|
s->exec_context.std_output = UNIT(s)->manager->default_std_output;
|
2011-09-22 03:29:51 +02:00
|
|
|
}
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
static int service_load(Unit *u) {
|
|
|
|
int r;
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
2010-01-29 04:42:57 +01:00
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
/* Load a .service file */
|
2010-04-10 17:53:17 +02:00
|
|
|
if ((r = unit_load_fragment(u)) < 0)
|
2010-01-23 01:52:57 +01:00
|
|
|
return r;
|
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2010-04-01 21:30:40 +02:00
|
|
|
/* Load a classic init script as a fallback, if we couldn't find anything */
|
2012-01-15 12:04:08 +01:00
|
|
|
if (u->load_state == UNIT_STUB)
|
2010-04-10 17:53:17 +02:00
|
|
|
if ((r = service_load_sysv(s)) < 0)
|
2010-04-06 02:43:58 +02:00
|
|
|
return r;
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-01-28 02:44:47 +01:00
|
|
|
|
2010-04-06 02:43:58 +02:00
|
|
|
/* Still nothing found? Then let's give up */
|
2012-01-15 12:04:08 +01:00
|
|
|
if (u->load_state == UNIT_STUB)
|
2010-04-06 02:43:58 +02:00
|
|
|
return -ENOENT;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-06 02:43:58 +02:00
|
|
|
/* We were able to load something, then let's add in the
|
|
|
|
* dropin directories. */
|
|
|
|
if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
|
2010-03-31 16:29:55 +02:00
|
|
|
return r;
|
2010-04-06 02:43:58 +02:00
|
|
|
|
|
|
|
/* This is a new unit? Then let's add in some extras */
|
2012-01-15 12:04:08 +01:00
|
|
|
if (u->load_state == UNIT_LOADED) {
|
2012-05-03 14:46:29 +02:00
|
|
|
if (s->type == _SERVICE_TYPE_INVALID)
|
|
|
|
s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE;
|
|
|
|
|
2012-06-14 17:07:07 +02:00
|
|
|
/* Oneshot services have disabled timeout by default */
|
|
|
|
if (s->type == SERVICE_ONESHOT && !s->timeout_defined)
|
|
|
|
s->timeout_usec = 0;
|
|
|
|
|
2011-09-23 17:42:21 +02:00
|
|
|
service_fix_output(s);
|
|
|
|
|
2010-04-06 02:43:58 +02:00
|
|
|
if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
|
|
|
|
return r;
|
|
|
|
|
2010-11-17 21:27:53 +01:00
|
|
|
if ((r = unit_add_default_cgroups(u)) < 0)
|
2010-04-06 02:43:58 +02:00
|
|
|
return r;
|
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2010-05-19 03:44:37 +02:00
|
|
|
if ((r = sysv_fix_order(s)) < 0)
|
2010-04-06 02:43:58 +02:00
|
|
|
return r;
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-04-15 23:16:16 +02:00
|
|
|
|
2010-10-13 03:57:04 +02:00
|
|
|
if ((r = fsck_fix_order(s)) < 0)
|
|
|
|
return r;
|
|
|
|
|
2010-09-11 01:31:58 +02:00
|
|
|
if (s->bus_name)
|
2010-04-15 23:16:16 +02:00
|
|
|
if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
|
2010-07-03 19:48:33 +02:00
|
|
|
return r;
|
2010-06-18 23:12:48 +02:00
|
|
|
|
|
|
|
if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
|
|
|
|
s->notify_access = NOTIFY_MAIN;
|
2010-07-03 19:48:33 +02:00
|
|
|
|
2012-02-09 21:11:25 +01:00
|
|
|
if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
|
|
|
|
s->notify_access = NOTIFY_MAIN;
|
|
|
|
|
2010-07-03 19:48:33 +02:00
|
|
|
if (s->type == SERVICE_DBUS || s->bus_name)
|
2011-03-18 03:32:33 +01:00
|
|
|
if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0)
|
2010-07-03 19:48:33 +02:00
|
|
|
return r;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->default_dependencies)
|
2010-07-03 19:48:33 +02:00
|
|
|
if ((r = service_add_default_dependencies(s)) < 0)
|
|
|
|
return r;
|
2010-03-31 16:29:55 +02:00
|
|
|
}
|
|
|
|
|
2010-04-13 04:00:03 +02:00
|
|
|
return service_verify(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static void service_dump(Unit *u, FILE *f, const char *prefix) {
|
2010-01-23 01:52:57 +01:00
|
|
|
|
|
|
|
ServiceExecCommand c;
|
2010-01-26 21:39:06 +01:00
|
|
|
Service *s = SERVICE(u);
|
2010-02-03 14:21:48 +01:00
|
|
|
const char *prefix2;
|
|
|
|
char *p2;
|
2010-01-23 01:52:57 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-02-03 14:21:48 +01:00
|
|
|
p2 = strappend(prefix, "\t");
|
|
|
|
prefix2 = p2 ? p2 : prefix;
|
2010-01-26 07:02:51 +01:00
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
fprintf(f,
|
2010-02-14 22:43:08 +01:00
|
|
|
"%sService State: %s\n"
|
2012-02-03 02:01:35 +01:00
|
|
|
"%sResult: %s\n"
|
|
|
|
"%sReload Result: %s\n"
|
2010-02-14 22:43:08 +01:00
|
|
|
"%sPermissionsStartOnly: %s\n"
|
2010-03-31 16:29:55 +02:00
|
|
|
"%sRootDirectoryStartOnly: %s\n"
|
2010-08-17 19:37:36 +02:00
|
|
|
"%sRemainAfterExit: %s\n"
|
2011-02-13 18:51:30 +01:00
|
|
|
"%sGuessMainPID: %s\n"
|
2010-06-18 23:12:48 +02:00
|
|
|
"%sType: %s\n"
|
2010-08-09 17:03:46 +02:00
|
|
|
"%sRestart: %s\n"
|
2010-06-18 23:12:48 +02:00
|
|
|
"%sNotifyAccess: %s\n",
|
2010-02-14 22:43:08 +01:00
|
|
|
prefix, service_state_to_string(s->state),
|
2012-02-03 02:01:35 +01:00
|
|
|
prefix, service_result_to_string(s->result),
|
|
|
|
prefix, service_result_to_string(s->reload_result),
|
2010-02-14 22:43:08 +01:00
|
|
|
prefix, yes_no(s->permissions_start_only),
|
2010-03-31 16:29:55 +02:00
|
|
|
prefix, yes_no(s->root_directory_start_only),
|
2010-08-17 19:37:36 +02:00
|
|
|
prefix, yes_no(s->remain_after_exit),
|
2011-02-13 18:51:30 +01:00
|
|
|
prefix, yes_no(s->guess_main_pid),
|
2010-06-18 23:12:48 +02:00
|
|
|
prefix, service_type_to_string(s->type),
|
2010-08-09 17:03:46 +02:00
|
|
|
prefix, service_restart_to_string(s->restart),
|
2010-06-18 23:12:48 +02:00
|
|
|
prefix, notify_access_to_string(s->notify_access));
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-04-08 03:48:27 +02:00
|
|
|
if (s->control_pid > 0)
|
|
|
|
fprintf(f,
|
2010-06-19 04:35:52 +02:00
|
|
|
"%sControl PID: %lu\n",
|
|
|
|
prefix, (unsigned long) s->control_pid);
|
2010-04-08 03:48:27 +02:00
|
|
|
|
|
|
|
if (s->main_pid > 0)
|
|
|
|
fprintf(f,
|
2011-04-28 04:56:53 +02:00
|
|
|
"%sMain PID: %lu\n"
|
|
|
|
"%sMain PID Known: %s\n"
|
|
|
|
"%sMain PID Alien: %s\n",
|
|
|
|
prefix, (unsigned long) s->main_pid,
|
|
|
|
prefix, yes_no(s->main_pid_known),
|
|
|
|
prefix, yes_no(s->main_pid_alien));
|
2010-04-08 03:48:27 +02:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
if (s->pid_file)
|
|
|
|
fprintf(f,
|
|
|
|
"%sPIDFile: %s\n",
|
|
|
|
prefix, s->pid_file);
|
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
if (s->bus_name)
|
|
|
|
fprintf(f,
|
|
|
|
"%sBusName: %s\n"
|
|
|
|
"%sBus Name Good: %s\n",
|
|
|
|
prefix, s->bus_name,
|
|
|
|
prefix, yes_no(s->bus_name_good));
|
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
exec_context_dump(&s->exec_context, f, prefix);
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-01-26 07:02:51 +01:00
|
|
|
if (!s->exec_command[c])
|
|
|
|
continue;
|
|
|
|
|
2010-04-23 20:25:55 +02:00
|
|
|
fprintf(f, "%s-> %s:\n",
|
2010-01-30 01:55:42 +01:00
|
|
|
prefix, service_exec_command_to_string(c));
|
2010-01-26 07:02:51 +01:00
|
|
|
|
|
|
|
exec_command_dump_list(s->exec_command[c], f, prefix2);
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
2010-01-26 07:02:51 +01:00
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2012-05-22 23:08:24 +02:00
|
|
|
if (s->is_sysv)
|
2010-02-14 01:09:01 +01:00
|
|
|
fprintf(f,
|
2010-10-13 03:57:04 +02:00
|
|
|
"%sSysV Init Script has LSB Header: %s\n"
|
|
|
|
"%sSysVEnabled: %s\n",
|
|
|
|
prefix, yes_no(s->sysv_has_lsb),
|
|
|
|
prefix, yes_no(s->sysv_enabled));
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (s->sysv_start_priority >= 0)
|
|
|
|
fprintf(f,
|
2010-10-13 03:57:04 +02:00
|
|
|
"%sSysVStartPriority: %i\n",
|
|
|
|
prefix, s->sysv_start_priority);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-04-07 20:27:52 +02:00
|
|
|
if (s->sysv_runlevels)
|
|
|
|
fprintf(f, "%sSysVRunLevels: %s\n",
|
|
|
|
prefix, s->sysv_runlevels);
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-04-06 02:43:58 +02:00
|
|
|
|
2010-10-13 03:57:04 +02:00
|
|
|
if (s->fsck_passno > 0)
|
|
|
|
fprintf(f,
|
|
|
|
"%sFsckPassNo: %i\n",
|
|
|
|
prefix, s->fsck_passno);
|
|
|
|
|
2010-06-16 05:10:31 +02:00
|
|
|
if (s->status_text)
|
|
|
|
fprintf(f, "%sStatus Text: %s\n",
|
|
|
|
prefix, s->status_text);
|
|
|
|
|
2010-02-03 14:21:48 +01:00
|
|
|
free(p2);
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
|
|
|
|
2011-11-10 09:55:47 +01:00
|
|
|
static int service_load_pid_file(Service *s, bool may_warn) {
|
2010-01-26 04:18:44 +01:00
|
|
|
char *k;
|
|
|
|
int r;
|
2010-06-17 22:55:53 +02:00
|
|
|
pid_t pid;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
if (!s->pid_file)
|
2011-09-21 02:25:17 +02:00
|
|
|
return -ENOENT;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-09-22 13:10:32 +02:00
|
|
|
if ((r = read_one_line_file(s->pid_file, &k)) < 0) {
|
2011-11-10 09:55:47 +01:00
|
|
|
if (may_warn)
|
2011-12-03 02:13:30 +01:00
|
|
|
log_info("PID file %s not readable (yet?) after %s.",
|
|
|
|
s->pid_file, service_state_to_string(s->state));
|
2010-01-26 04:18:44 +01:00
|
|
|
return r;
|
2011-09-22 13:10:32 +02:00
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
r = parse_pid(k, &pid);
|
|
|
|
free(k);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if (r < 0)
|
|
|
|
return r;
|
2010-06-15 19:47:13 +02:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if (kill(pid, 0) < 0 && errno != EPERM) {
|
2011-11-10 09:55:47 +01:00
|
|
|
if (may_warn)
|
2011-12-03 02:13:30 +01:00
|
|
|
log_info("PID %lu read from file %s does not exist.",
|
|
|
|
(unsigned long) pid, s->pid_file);
|
2010-04-08 03:48:52 +02:00
|
|
|
return -ESRCH;
|
|
|
|
}
|
|
|
|
|
2011-09-20 21:43:30 +02:00
|
|
|
if (s->main_pid_known) {
|
|
|
|
if (pid == s->main_pid)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
log_debug("Main PID changing: %lu -> %lu",
|
|
|
|
(unsigned long) s->main_pid, (unsigned long) pid);
|
|
|
|
service_unwatch_main_pid(s);
|
|
|
|
s->main_pid_known = false;
|
2011-12-03 02:13:30 +01:00
|
|
|
} else
|
|
|
|
log_debug("Main PID loaded: %lu", (unsigned long) pid);
|
2011-09-20 21:43:30 +02:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if ((r = service_set_main_pid(s, pid)) < 0)
|
2010-04-08 04:05:56 +02:00
|
|
|
return r;
|
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
|
|
|
|
/* FIXME: we need to do something here */
|
|
|
|
return r;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-10-27 03:16:49 +02:00
|
|
|
static int service_search_main_pid(Service *s) {
|
|
|
|
pid_t pid;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2011-02-13 18:51:30 +01:00
|
|
|
/* If we know it anyway, don't ever fallback to unreliable
|
|
|
|
* heuristics */
|
2010-10-27 03:16:49 +02:00
|
|
|
if (s->main_pid_known)
|
|
|
|
return 0;
|
|
|
|
|
2011-02-13 18:51:30 +01:00
|
|
|
if (!s->guess_main_pid)
|
|
|
|
return 0;
|
|
|
|
|
2010-10-27 03:16:49 +02:00
|
|
|
assert(s->main_pid <= 0);
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0)
|
2010-10-27 03:16:49 +02:00
|
|
|
return -ENOENT;
|
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
log_debug("Main PID guessed: %lu", (unsigned long) pid);
|
2010-10-27 03:16:49 +02:00
|
|
|
if ((r = service_set_main_pid(s, pid)) < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
|
|
|
|
/* FIXME: we need to do something here */
|
|
|
|
return r;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-03-06 01:29:29 +01:00
|
|
|
static void service_notify_sockets_dead(Service *s, bool failed_permanent) {
|
2010-01-27 06:19:48 +01:00
|
|
|
Iterator i;
|
2012-01-06 23:08:54 +01:00
|
|
|
Unit *u;
|
2010-01-27 22:41:57 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-10-05 19:49:15 +02:00
|
|
|
/* Notifies all our sockets when we die */
|
|
|
|
|
2010-06-19 04:25:28 +02:00
|
|
|
if (s->socket_fd >= 0)
|
2012-01-06 23:08:54 +01:00
|
|
|
return;
|
2010-01-27 22:41:57 +01:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i)
|
2012-01-15 12:04:08 +01:00
|
|
|
if (u->type == UNIT_SOCKET)
|
2012-03-06 01:29:29 +01:00
|
|
|
socket_notify_service_dead(SOCKET(u), failed_permanent);
|
2010-01-27 22:41:57 +01:00
|
|
|
|
2012-01-06 23:08:54 +01:00
|
|
|
return;
|
2010-01-27 06:19:48 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
static void service_set_state(Service *s, ServiceState state) {
|
|
|
|
ServiceState old_state;
|
2012-05-24 02:22:35 +02:00
|
|
|
const UnitActiveState *table;
|
2010-01-23 01:52:57 +01:00
|
|
|
assert(s);
|
|
|
|
|
2012-05-24 02:22:35 +02:00
|
|
|
table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
old_state = s->state;
|
2010-01-23 01:52:57 +01:00
|
|
|
s->state = state;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
service_unwatch_pid_file(s);
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
if (state != SERVICE_START_PRE &&
|
|
|
|
state != SERVICE_START &&
|
|
|
|
state != SERVICE_START_POST &&
|
|
|
|
state != SERVICE_RELOAD &&
|
|
|
|
state != SERVICE_STOP &&
|
|
|
|
state != SERVICE_STOP_SIGTERM &&
|
|
|
|
state != SERVICE_STOP_SIGKILL &&
|
|
|
|
state != SERVICE_STOP_POST &&
|
|
|
|
state != SERVICE_FINAL_SIGTERM &&
|
|
|
|
state != SERVICE_FINAL_SIGKILL &&
|
|
|
|
state != SERVICE_AUTO_RESTART)
|
2010-01-27 04:31:52 +01:00
|
|
|
unit_unwatch_timer(UNIT(s), &s->timer_watch);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-01-30 02:07:35 +01:00
|
|
|
if (state != SERVICE_START &&
|
|
|
|
state != SERVICE_START_POST &&
|
2010-01-26 04:18:44 +01:00
|
|
|
state != SERVICE_RUNNING &&
|
|
|
|
state != SERVICE_RELOAD &&
|
|
|
|
state != SERVICE_STOP &&
|
|
|
|
state != SERVICE_STOP_SIGTERM &&
|
2011-01-20 18:46:38 +01:00
|
|
|
state != SERVICE_STOP_SIGKILL) {
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_main_pid(s);
|
2011-01-20 18:46:38 +01:00
|
|
|
s->main_command = NULL;
|
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
if (state != SERVICE_START_PRE &&
|
|
|
|
state != SERVICE_START &&
|
|
|
|
state != SERVICE_START_POST &&
|
|
|
|
state != SERVICE_RELOAD &&
|
|
|
|
state != SERVICE_STOP &&
|
|
|
|
state != SERVICE_STOP_SIGTERM &&
|
|
|
|
state != SERVICE_STOP_SIGKILL &&
|
|
|
|
state != SERVICE_STOP_POST &&
|
|
|
|
state != SERVICE_FINAL_SIGTERM &&
|
2010-04-10 17:53:17 +02:00
|
|
|
state != SERVICE_FINAL_SIGKILL) {
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
s->control_command = NULL;
|
2010-04-21 03:27:44 +02:00
|
|
|
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
|
2010-04-10 17:53:17 +02:00
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-01-27 06:19:48 +01:00
|
|
|
if (state == SERVICE_DEAD ||
|
|
|
|
state == SERVICE_STOP ||
|
|
|
|
state == SERVICE_STOP_SIGTERM ||
|
|
|
|
state == SERVICE_STOP_SIGKILL ||
|
|
|
|
state == SERVICE_STOP_POST ||
|
|
|
|
state == SERVICE_FINAL_SIGTERM ||
|
|
|
|
state == SERVICE_FINAL_SIGKILL ||
|
2010-08-31 00:23:34 +02:00
|
|
|
state == SERVICE_FAILED ||
|
2010-01-27 06:19:48 +01:00
|
|
|
state == SERVICE_AUTO_RESTART)
|
2012-03-05 22:47:54 +01:00
|
|
|
service_notify_sockets_dead(s, false);
|
2010-01-27 06:19:48 +01:00
|
|
|
|
2010-04-15 06:19:54 +02:00
|
|
|
if (state != SERVICE_START_PRE &&
|
|
|
|
state != SERVICE_START &&
|
2010-06-19 04:25:28 +02:00
|
|
|
state != SERVICE_START_POST &&
|
|
|
|
state != SERVICE_RUNNING &&
|
|
|
|
state != SERVICE_RELOAD &&
|
|
|
|
state != SERVICE_STOP &&
|
|
|
|
state != SERVICE_STOP_SIGTERM &&
|
|
|
|
state != SERVICE_STOP_SIGKILL &&
|
|
|
|
state != SERVICE_STOP_POST &&
|
|
|
|
state != SERVICE_FINAL_SIGTERM &&
|
|
|
|
state != SERVICE_FINAL_SIGKILL &&
|
2012-01-15 12:25:20 +01:00
|
|
|
!(state == SERVICE_DEAD && UNIT(s)->job)) {
|
2010-04-15 06:19:54 +02:00
|
|
|
service_close_socket_fd(s);
|
2010-06-19 04:25:28 +02:00
|
|
|
service_connection_unref(s);
|
|
|
|
}
|
2010-04-15 06:19:54 +02:00
|
|
|
|
2012-02-01 17:17:12 +01:00
|
|
|
if (state == SERVICE_STOP)
|
|
|
|
service_stop_watchdog(s);
|
|
|
|
|
2010-07-12 02:31:40 +02:00
|
|
|
/* For the inactive states unit_notify() will trim the cgroup,
|
|
|
|
* but for exit we have to do that ourselves... */
|
2012-01-15 12:25:20 +01:00
|
|
|
if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
|
|
|
|
cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true);
|
2010-07-12 02:31:40 +02:00
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
if (old_state != state)
|
2012-01-15 12:25:20 +01:00
|
|
|
log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
|
2010-01-27 04:31:52 +01:00
|
|
|
|
2012-05-24 02:22:35 +02:00
|
|
|
unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS);
|
2012-02-03 02:01:35 +01:00
|
|
|
s->reload_result = SERVICE_SUCCESS;
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
static int service_coldplug(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(s->state == SERVICE_DEAD);
|
|
|
|
|
|
|
|
if (s->deserialized_state != s->state) {
|
|
|
|
|
|
|
|
if (s->deserialized_state == SERVICE_START_PRE ||
|
|
|
|
s->deserialized_state == SERVICE_START ||
|
|
|
|
s->deserialized_state == SERVICE_START_POST ||
|
|
|
|
s->deserialized_state == SERVICE_RELOAD ||
|
|
|
|
s->deserialized_state == SERVICE_STOP ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGTERM ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGKILL ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_POST ||
|
|
|
|
s->deserialized_state == SERVICE_FINAL_SIGTERM ||
|
|
|
|
s->deserialized_state == SERVICE_FINAL_SIGKILL ||
|
2010-04-23 20:28:33 +02:00
|
|
|
s->deserialized_state == SERVICE_AUTO_RESTART) {
|
|
|
|
|
|
|
|
if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
|
|
|
|
usec_t k;
|
|
|
|
|
|
|
|
k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
|
|
|
|
|
|
|
|
if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
2010-04-21 03:27:44 +02:00
|
|
|
|
|
|
|
if ((s->deserialized_state == SERVICE_START &&
|
|
|
|
(s->type == SERVICE_FORKING ||
|
2010-06-16 05:10:31 +02:00
|
|
|
s->type == SERVICE_DBUS ||
|
2010-08-13 18:23:01 +02:00
|
|
|
s->type == SERVICE_ONESHOT ||
|
2010-06-16 05:10:31 +02:00
|
|
|
s->type == SERVICE_NOTIFY)) ||
|
2010-04-21 03:27:44 +02:00
|
|
|
s->deserialized_state == SERVICE_START_POST ||
|
|
|
|
s->deserialized_state == SERVICE_RUNNING ||
|
|
|
|
s->deserialized_state == SERVICE_RELOAD ||
|
|
|
|
s->deserialized_state == SERVICE_STOP ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGTERM ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGKILL)
|
|
|
|
if (s->main_pid > 0)
|
|
|
|
if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
if (s->deserialized_state == SERVICE_START_PRE ||
|
|
|
|
s->deserialized_state == SERVICE_START ||
|
|
|
|
s->deserialized_state == SERVICE_START_POST ||
|
|
|
|
s->deserialized_state == SERVICE_RELOAD ||
|
|
|
|
s->deserialized_state == SERVICE_STOP ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGTERM ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_SIGKILL ||
|
|
|
|
s->deserialized_state == SERVICE_STOP_POST ||
|
|
|
|
s->deserialized_state == SERVICE_FINAL_SIGTERM ||
|
|
|
|
s->deserialized_state == SERVICE_FINAL_SIGKILL)
|
|
|
|
if (s->control_pid > 0)
|
|
|
|
if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
|
|
|
|
return r;
|
|
|
|
|
2012-02-08 10:10:34 +01:00
|
|
|
if (s->deserialized_state == SERVICE_START_POST ||
|
|
|
|
s->deserialized_state == SERVICE_RUNNING)
|
|
|
|
service_handle_watchdog(s);
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
service_set_state(s, s->deserialized_state);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-26 07:02:51 +01:00
|
|
|
static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
|
|
|
|
Iterator i;
|
|
|
|
int r;
|
|
|
|
int *rfds = NULL;
|
|
|
|
unsigned rn_fds = 0;
|
2012-01-06 23:08:54 +01:00
|
|
|
Unit *u;
|
2010-01-26 07:02:51 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(fds);
|
|
|
|
assert(n_fds);
|
|
|
|
|
2010-06-19 04:25:28 +02:00
|
|
|
if (s->socket_fd >= 0)
|
|
|
|
return 0;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) {
|
2010-01-26 07:02:51 +01:00
|
|
|
int *cfds;
|
|
|
|
unsigned cn_fds;
|
2012-01-06 23:08:54 +01:00
|
|
|
Socket *sock;
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
if (u->type != UNIT_SOCKET)
|
2012-01-06 23:08:54 +01:00
|
|
|
continue;
|
|
|
|
|
|
|
|
sock = SOCKET(u);
|
2010-01-26 07:02:51 +01:00
|
|
|
|
2010-02-03 14:21:48 +01:00
|
|
|
if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
|
2010-01-26 07:02:51 +01:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
if (!cfds)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (!rfds) {
|
|
|
|
rfds = cfds;
|
|
|
|
rn_fds = cn_fds;
|
|
|
|
} else {
|
|
|
|
int *t;
|
|
|
|
|
|
|
|
if (!(t = new(int, rn_fds+cn_fds))) {
|
|
|
|
free(cfds);
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2011-04-06 02:25:39 +02:00
|
|
|
memcpy(t, rfds, rn_fds * sizeof(int));
|
|
|
|
memcpy(t+rn_fds, cfds, cn_fds * sizeof(int));
|
2010-01-26 07:02:51 +01:00
|
|
|
free(rfds);
|
|
|
|
free(cfds);
|
|
|
|
|
|
|
|
rfds = t;
|
|
|
|
rn_fds = rn_fds+cn_fds;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*fds = rfds;
|
|
|
|
*n_fds = rn_fds;
|
2010-01-27 22:41:57 +01:00
|
|
|
|
2010-01-26 07:02:51 +01:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
free(rfds);
|
2010-01-27 22:41:57 +01:00
|
|
|
|
2010-01-26 07:02:51 +01:00
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2010-02-14 22:43:08 +01:00
|
|
|
static int service_spawn(
|
|
|
|
Service *s,
|
|
|
|
ExecCommand *c,
|
|
|
|
bool timeout,
|
|
|
|
bool pass_fds,
|
|
|
|
bool apply_permissions,
|
|
|
|
bool apply_chroot,
|
2010-07-08 04:09:17 +02:00
|
|
|
bool apply_tty_stdin,
|
2010-06-18 23:12:48 +02:00
|
|
|
bool set_notify_socket,
|
2012-04-13 23:24:47 +02:00
|
|
|
bool is_control,
|
2010-02-14 22:43:08 +01:00
|
|
|
pid_t *_pid) {
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
pid_t pid;
|
|
|
|
int r;
|
2010-06-19 04:25:28 +02:00
|
|
|
int *fds = NULL, *fdsbuf = NULL;
|
2010-07-08 00:47:35 +02:00
|
|
|
unsigned n_fds = 0, n_env = 0;
|
|
|
|
char **argv = NULL, **final_env = NULL, **our_env = NULL;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(c);
|
|
|
|
assert(_pid);
|
|
|
|
|
2010-06-19 04:25:28 +02:00
|
|
|
if (pass_fds ||
|
|
|
|
s->exec_context.std_input == EXEC_INPUT_SOCKET ||
|
|
|
|
s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
|
|
|
|
s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
|
|
|
|
|
2010-04-15 06:19:54 +02:00
|
|
|
if (s->socket_fd >= 0) {
|
|
|
|
fds = &s->socket_fd;
|
|
|
|
n_fds = 1;
|
2010-06-19 04:25:28 +02:00
|
|
|
} else {
|
|
|
|
if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
fds = fdsbuf;
|
|
|
|
}
|
2010-04-15 06:19:54 +02:00
|
|
|
}
|
2010-01-26 07:02:51 +01:00
|
|
|
|
2010-04-23 20:28:33 +02:00
|
|
|
if (timeout && s->timeout_usec) {
|
2010-01-27 04:31:52 +01:00
|
|
|
if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
} else
|
2010-01-27 04:31:52 +01:00
|
|
|
unit_unwatch_timer(UNIT(s), &s->timer_watch);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-15 03:11:11 +02:00
|
|
|
if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2010-10-26 02:32:42 +02:00
|
|
|
if (!(our_env = new0(char*, 4))) {
|
2010-07-08 00:47:35 +02:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
2010-06-18 23:12:48 +02:00
|
|
|
|
2010-07-08 00:47:35 +02:00
|
|
|
if (set_notify_socket)
|
2012-01-15 12:25:20 +01:00
|
|
|
if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) {
|
2010-06-18 23:12:48 +02:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2010-07-08 00:47:35 +02:00
|
|
|
if (s->main_pid > 0)
|
|
|
|
if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
|
2010-06-18 23:12:48 +02:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
2010-07-08 00:47:35 +02:00
|
|
|
|
2012-02-08 10:10:35 +01:00
|
|
|
if (s->watchdog_usec > 0)
|
|
|
|
if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2010-07-08 00:47:35 +02:00
|
|
|
if (!(final_env = strv_env_merge(2,
|
2012-01-15 12:25:20 +01:00
|
|
|
UNIT(s)->manager->environment,
|
2010-07-08 00:47:35 +02:00
|
|
|
our_env,
|
|
|
|
NULL))) {
|
|
|
|
r = -ENOMEM;
|
|
|
|
goto fail;
|
|
|
|
}
|
2010-06-18 23:12:48 +02:00
|
|
|
|
2010-04-15 03:11:11 +02:00
|
|
|
r = exec_spawn(c,
|
|
|
|
argv,
|
|
|
|
&s->exec_context,
|
|
|
|
fds, n_fds,
|
2010-07-08 00:47:35 +02:00
|
|
|
final_env,
|
2010-04-15 03:11:11 +02:00
|
|
|
apply_permissions,
|
|
|
|
apply_chroot,
|
2010-07-08 04:09:17 +02:00
|
|
|
apply_tty_stdin,
|
2012-01-15 12:25:20 +01:00
|
|
|
UNIT(s)->manager->confirm_spawn,
|
|
|
|
UNIT(s)->cgroup_bondings,
|
|
|
|
UNIT(s)->cgroup_attributes,
|
2012-04-13 23:24:47 +02:00
|
|
|
is_control ? "control" : NULL,
|
2012-06-21 22:40:47 +02:00
|
|
|
UNIT(s)->id,
|
2012-04-24 14:28:00 +02:00
|
|
|
s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL,
|
2010-04-15 03:11:11 +02:00
|
|
|
&pid);
|
|
|
|
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-04-15 06:19:54 +02:00
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
/* FIXME: we need to do something here */
|
|
|
|
goto fail;
|
|
|
|
|
2010-07-08 00:47:35 +02:00
|
|
|
free(fdsbuf);
|
|
|
|
strv_free(argv);
|
|
|
|
strv_free(our_env);
|
|
|
|
strv_free(final_env);
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
*_pid = pid;
|
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
return 0;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
fail:
|
2010-07-08 00:47:35 +02:00
|
|
|
free(fdsbuf);
|
2010-06-18 23:12:48 +02:00
|
|
|
strv_free(argv);
|
2010-07-08 00:47:35 +02:00
|
|
|
strv_free(our_env);
|
|
|
|
strv_free(final_env);
|
2010-06-18 23:12:48 +02:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
if (timeout)
|
2010-01-27 04:31:52 +01:00
|
|
|
unit_unwatch_timer(UNIT(s), &s->timer_watch);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
static int main_pid_good(Service *s) {
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
/* Returns 0 if the pid is dead, 1 if it is good, -1 if we
|
|
|
|
* don't know */
|
|
|
|
|
|
|
|
/* If we know the pid file, then lets just check if it is
|
|
|
|
* still valid */
|
2011-04-28 04:56:53 +02:00
|
|
|
if (s->main_pid_known) {
|
|
|
|
|
|
|
|
/* If it's an alien child let's check if it is still
|
|
|
|
* alive ... */
|
|
|
|
if (s->main_pid_alien)
|
|
|
|
return kill(s->main_pid, 0) >= 0 || errno != ESRCH;
|
|
|
|
|
|
|
|
/* .. otherwise assume we'll get a SIGCHLD for it,
|
|
|
|
* which we really should wait for to collect exit
|
|
|
|
* status and code */
|
2010-04-13 02:06:27 +02:00
|
|
|
return s->main_pid > 0;
|
2011-04-28 04:56:53 +02:00
|
|
|
}
|
2010-04-13 02:06:27 +02:00
|
|
|
|
|
|
|
/* We don't know the pid */
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int control_pid_good(Service *s) {
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
return s->control_pid > 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int cgroup_good(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0)
|
2010-04-13 02:06:27 +02:00
|
|
|
return r;
|
|
|
|
|
|
|
|
return !r;
|
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
|
2010-01-26 04:18:44 +01:00
|
|
|
int r;
|
|
|
|
assert(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-06-26 11:42:52 +02:00
|
|
|
service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
if (allow_restart &&
|
2010-08-09 23:33:48 +02:00
|
|
|
!s->forbid_restart &&
|
2010-01-26 04:18:44 +01:00
|
|
|
(s->restart == SERVICE_RESTART_ALWAYS ||
|
2012-02-03 02:01:35 +01:00
|
|
|
(s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) ||
|
|
|
|
(s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
|
|
|
|
(s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
|
|
|
|
s->result == SERVICE_FAILURE_CORE_DUMP)))) {
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
service_set_state(s, SERVICE_AUTO_RESTART);
|
2012-06-26 11:42:52 +02:00
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-09 23:33:48 +02:00
|
|
|
s->forbid_restart = false;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_signal(Service *s, ServiceState state, ServiceResult f);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_stop_post(Service *s, ServiceResult f) {
|
2010-01-26 04:18:44 +01:00
|
|
|
int r;
|
|
|
|
assert(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
|
2011-01-20 18:46:38 +01:00
|
|
|
s->control_command_id = SERVICE_EXEC_STOP_POST;
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-01-28 01:59:41 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_STOP_POST);
|
|
|
|
} else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) {
|
2010-01-26 04:18:44 +01:00
|
|
|
int r;
|
2010-08-31 23:24:47 +02:00
|
|
|
Set *pid_set = NULL;
|
|
|
|
bool wait_for_exit = false;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-07-10 04:49:37 +02:00
|
|
|
if (s->exec_context.kill_mode != KILL_NONE) {
|
|
|
|
int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-31 23:24:47 +02:00
|
|
|
if (s->main_pid > 0) {
|
2011-03-29 23:31:38 +02:00
|
|
|
if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH)
|
2010-08-31 23:24:47 +02:00
|
|
|
log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
|
|
|
|
else
|
2011-04-28 04:56:53 +02:00
|
|
|
wait_for_exit = !s->main_pid_alien;
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2010-08-31 23:24:47 +02:00
|
|
|
if (s->control_pid > 0) {
|
2011-03-29 23:31:38 +02:00
|
|
|
if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
|
2010-08-31 23:24:47 +02:00
|
|
|
log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
|
|
|
|
else
|
|
|
|
wait_for_exit = true;
|
|
|
|
}
|
2010-04-08 00:52:14 +02:00
|
|
|
|
2010-08-31 23:24:47 +02:00
|
|
|
if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
|
2010-04-08 00:52:14 +02:00
|
|
|
|
2010-08-31 23:24:47 +02:00
|
|
|
if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
|
|
|
|
r = -ENOMEM;
|
2010-04-08 00:52:14 +02:00
|
|
|
goto fail;
|
2010-08-31 23:24:47 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Exclude the main/control pids from being killed via the cgroup */
|
|
|
|
if (s->main_pid > 0)
|
|
|
|
if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
if (s->control_pid > 0)
|
|
|
|
if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
2012-05-03 21:54:44 +02:00
|
|
|
r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL);
|
2012-04-13 23:24:47 +02:00
|
|
|
if (r < 0) {
|
2010-08-31 23:24:47 +02:00
|
|
|
if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
|
|
|
|
log_warning("Failed to kill control group: %s", strerror(-r));
|
2010-09-01 00:48:05 +02:00
|
|
|
} else if (r > 0)
|
2010-08-31 23:24:47 +02:00
|
|
|
wait_for_exit = true;
|
|
|
|
|
|
|
|
set_free(pid_set);
|
2011-03-31 15:35:40 +02:00
|
|
|
pid_set = NULL;
|
2010-04-08 00:52:14 +02:00
|
|
|
}
|
2010-01-28 01:59:41 +01:00
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-31 23:24:47 +02:00
|
|
|
if (wait_for_exit) {
|
2010-04-23 20:28:33 +02:00
|
|
|
if (s->timeout_usec > 0)
|
|
|
|
if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
|
|
|
|
goto fail;
|
2010-01-28 01:59:41 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, state);
|
|
|
|
} else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, SERVICE_SUCCESS);
|
2010-04-13 02:06:27 +02:00
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_SUCCESS, true);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
|
2010-08-31 23:24:47 +02:00
|
|
|
|
|
|
|
if (pid_set)
|
|
|
|
set_free(pid_set);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_stop(Service *s, ServiceResult f) {
|
2010-01-26 04:18:44 +01:00
|
|
|
int r;
|
2010-06-17 22:55:53 +02:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
assert(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
|
2011-01-20 18:46:38 +01:00
|
|
|
s->control_command_id = SERVICE_EXEC_STOP;
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
false,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_STOP);
|
|
|
|
} else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_enter_running(Service *s, ServiceResult f) {
|
2010-06-22 04:09:50 +02:00
|
|
|
int main_pid_ok, cgroup_ok;
|
2010-04-13 02:06:27 +02:00
|
|
|
assert(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-04-13 02:06:27 +02:00
|
|
|
|
2010-06-22 04:09:50 +02:00
|
|
|
main_pid_ok = main_pid_good(s);
|
|
|
|
cgroup_ok = cgroup_good(s);
|
|
|
|
|
|
|
|
if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
|
2010-04-15 23:16:16 +02:00
|
|
|
(s->bus_name_good || s->type != SERVICE_DBUS))
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_RUNNING);
|
2010-08-17 19:37:36 +02:00
|
|
|
else if (s->remain_after_exit)
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_EXITED);
|
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_SUCCESS);
|
2010-04-13 02:06:27 +02:00
|
|
|
}
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
static void service_enter_start_post(Service *s) {
|
|
|
|
int r;
|
|
|
|
assert(s);
|
|
|
|
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2012-02-08 10:10:34 +01:00
|
|
|
if (s->watchdog_usec > 0)
|
|
|
|
service_reset_watchdog(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
|
2011-01-20 18:46:38 +01:00
|
|
|
s->control_command_id = SERVICE_EXEC_START_POST;
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
false,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_START_POST);
|
|
|
|
} else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void service_enter_start(Service *s) {
|
|
|
|
pid_t pid;
|
|
|
|
int r;
|
2011-01-20 18:46:38 +01:00
|
|
|
ExecCommand *c;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
assert(s->exec_command[SERVICE_EXEC_START]);
|
2010-08-13 18:23:01 +02:00
|
|
|
assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if (s->type == SERVICE_FORKING)
|
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
else
|
|
|
|
service_unwatch_main_pid(s);
|
|
|
|
|
2012-01-11 01:51:32 +01:00
|
|
|
/* We want to ensure that nobody leaks processes from
|
|
|
|
* START_PRE here, so let's go on a killing spree, People
|
|
|
|
* should not spawn long running processes from START_PRE. */
|
2012-05-03 21:54:44 +02:00
|
|
|
cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
|
2012-01-11 01:51:32 +01:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
if (s->type == SERVICE_FORKING) {
|
|
|
|
s->control_command_id = SERVICE_EXEC_START;
|
|
|
|
c = s->control_command = s->exec_command[SERVICE_EXEC_START];
|
|
|
|
|
|
|
|
s->main_command = NULL;
|
|
|
|
} else {
|
|
|
|
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
|
|
|
|
s->control_command = NULL;
|
|
|
|
|
|
|
|
c = s->main_command = s->exec_command[SERVICE_EXEC_START];
|
|
|
|
}
|
2010-08-13 18:23:01 +02:00
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
c,
|
2012-06-14 17:07:07 +02:00
|
|
|
s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT,
|
2012-04-13 23:24:47 +02:00
|
|
|
true,
|
|
|
|
true,
|
|
|
|
true,
|
|
|
|
true,
|
|
|
|
s->notify_access != NOTIFY_NONE,
|
|
|
|
false,
|
|
|
|
&pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2012-04-24 14:28:00 +02:00
|
|
|
if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) {
|
2010-01-26 04:18:44 +01:00
|
|
|
/* For simple services we immediately start
|
|
|
|
* the START_POST binaries. */
|
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
service_set_main_pid(s, pid);
|
2010-01-26 04:18:44 +01:00
|
|
|
service_enter_start_post(s);
|
|
|
|
|
|
|
|
} else if (s->type == SERVICE_FORKING) {
|
|
|
|
|
|
|
|
/* For forking services we wait until the start
|
|
|
|
* process exited. */
|
|
|
|
|
2010-06-18 22:05:29 +02:00
|
|
|
s->control_pid = pid;
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_START);
|
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
} else if (s->type == SERVICE_ONESHOT ||
|
2010-06-16 05:10:31 +02:00
|
|
|
s->type == SERVICE_DBUS ||
|
|
|
|
s->type == SERVICE_NOTIFY) {
|
2010-01-30 02:07:35 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
/* For oneshot services we wait until the start
|
2010-01-30 02:07:35 +01:00
|
|
|
* process exited, too, but it is our main process. */
|
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
/* For D-Bus services we know the main pid right away,
|
2010-06-16 05:10:31 +02:00
|
|
|
* but wait for the bus name to appear on the
|
|
|
|
* bus. Notify services are similar. */
|
2010-04-15 23:16:16 +02:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
service_set_main_pid(s, pid);
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_START);
|
2010-01-26 04:18:44 +01:00
|
|
|
} else
|
|
|
|
assert_not_reached("Unknown service type");
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void service_enter_start_pre(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
|
2012-01-11 01:51:32 +01:00
|
|
|
|
|
|
|
/* Before we start anything, let's clear up what might
|
|
|
|
* be left from previous runs. */
|
2012-05-03 21:54:44 +02:00
|
|
|
cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
|
2012-01-11 01:51:32 +01:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
s->control_command_id = SERVICE_EXEC_START_PRE;
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_START_PRE);
|
|
|
|
} else
|
2010-01-26 04:18:44 +01:00
|
|
|
service_enter_start(s);
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void service_enter_restart(Service *s) {
|
|
|
|
int r;
|
2010-07-08 02:43:18 +02:00
|
|
|
DBusError error;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
assert(s);
|
2010-07-08 02:43:18 +02:00
|
|
|
dbus_error_init(&error);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->job) {
|
2010-11-01 17:50:43 +01:00
|
|
|
log_info("Job pending for unit, delaying automatic restart.");
|
|
|
|
|
|
|
|
if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
|
|
|
|
goto fail;
|
2012-04-29 15:35:40 +02:00
|
|
|
|
|
|
|
return;
|
2010-11-01 17:50:43 +01:00
|
|
|
}
|
|
|
|
|
2012-04-03 05:45:35 +02:00
|
|
|
/* Any units that are bound to this service must also be
|
|
|
|
* restarted. We use JOB_RESTART (instead of the more obvious
|
|
|
|
* JOB_START) here so that those dependency jobs will be added
|
|
|
|
* as well. */
|
|
|
|
r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
log_debug("%s scheduled restart job.", UNIT(s)->id);
|
2010-01-26 04:18:44 +01:00
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false);
|
2010-07-08 02:43:18 +02:00
|
|
|
|
|
|
|
dbus_error_free(&error);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
static void service_enter_reload(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
|
2011-01-20 18:46:38 +01:00
|
|
|
s->control_command_id = SERVICE_EXEC_RELOAD;
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
false,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
service_set_state(s, SERVICE_RELOAD);
|
|
|
|
} else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
s->reload_result = SERVICE_FAILURE_RESOURCES;
|
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_run_next_control(Service *s) {
|
2010-01-26 04:18:44 +01:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(s->control_command);
|
|
|
|
assert(s->control_command->command_next);
|
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
assert(s->control_command_id != SERVICE_EXEC_START);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
s->control_command = s->control_command->command_next;
|
2010-04-11 00:22:36 +02:00
|
|
|
service_unwatch_control_pid(s);
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->control_command,
|
|
|
|
true,
|
|
|
|
false,
|
|
|
|
!s->permissions_start_only,
|
|
|
|
!s->root_directory_start_only,
|
|
|
|
s->control_command_id == SERVICE_EXEC_START_PRE ||
|
|
|
|
s->control_command_id == SERVICE_EXEC_STOP_POST,
|
|
|
|
false,
|
|
|
|
true,
|
|
|
|
&s->control_pid);
|
|
|
|
if (r < 0)
|
2010-01-26 04:18:44 +01:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r));
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
if (s->state == SERVICE_START_PRE)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2010-04-13 02:06:27 +02:00
|
|
|
else if (s->state == SERVICE_STOP)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2010-01-26 04:18:44 +01:00
|
|
|
else if (s->state == SERVICE_STOP_POST)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
|
2011-01-20 13:17:22 +01:00
|
|
|
else if (s->state == SERVICE_RELOAD) {
|
2012-02-03 02:01:35 +01:00
|
|
|
s->reload_result = SERVICE_FAILURE_RESOURCES;
|
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2011-01-20 13:17:22 +01:00
|
|
|
} else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static void service_run_next_main(Service *s) {
|
2010-08-13 18:23:01 +02:00
|
|
|
pid_t pid;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s);
|
2011-01-20 18:46:38 +01:00
|
|
|
assert(s->main_command);
|
|
|
|
assert(s->main_command->command_next);
|
|
|
|
assert(s->type == SERVICE_ONESHOT);
|
2010-08-13 18:23:01 +02:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
s->main_command = s->main_command->command_next;
|
2010-08-13 18:23:01 +02:00
|
|
|
service_unwatch_main_pid(s);
|
|
|
|
|
2012-04-13 23:24:47 +02:00
|
|
|
r = service_spawn(s,
|
|
|
|
s->main_command,
|
2012-06-14 17:07:07 +02:00
|
|
|
true,
|
2012-04-13 23:24:47 +02:00
|
|
|
true,
|
|
|
|
true,
|
|
|
|
true,
|
|
|
|
true,
|
|
|
|
s->notify_access != NOTIFY_NONE,
|
|
|
|
false,
|
|
|
|
&pid);
|
|
|
|
if (r < 0)
|
2010-08-13 18:23:01 +02:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
service_set_main_pid(s, pid);
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
fail:
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
|
2010-08-13 18:23:01 +02:00
|
|
|
}
|
|
|
|
|
2012-02-09 13:05:23 +01:00
|
|
|
static int service_start_limit_test(Service *s) {
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
if (ratelimit_test(&s->start_limit))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
switch (s->start_limit_action) {
|
|
|
|
|
|
|
|
case SERVICE_START_LIMIT_NONE:
|
|
|
|
log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_START_LIMIT_REBOOT: {
|
|
|
|
DBusError error;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
dbus_error_init(&error);
|
|
|
|
|
|
|
|
log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id);
|
|
|
|
|
|
|
|
r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
|
|
|
|
if (r < 0) {
|
|
|
|
log_error("Failed to reboot: %s.", bus_error(&error, r));
|
|
|
|
dbus_error_free(&error);
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case SERVICE_START_LIMIT_REBOOT_FORCE:
|
2012-03-06 01:29:29 +01:00
|
|
|
log_warning("%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id);
|
2012-02-09 13:05:23 +01:00
|
|
|
UNIT(s)->manager->exit_code = MANAGER_REBOOT;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_START_LIMIT_REBOOT_IMMEDIATE:
|
|
|
|
log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id);
|
|
|
|
reboot(RB_AUTOBOOT);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
log_error("start limit action=%i", s->start_limit_action);
|
|
|
|
assert_not_reached("Unknown StartLimitAction.");
|
|
|
|
}
|
|
|
|
|
|
|
|
return -ECANCELED;
|
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static int service_start(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
2012-02-09 13:05:23 +01:00
|
|
|
int r;
|
2010-01-23 01:52:57 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
/* We cannot fulfill this request right now, try again later
|
|
|
|
* please! */
|
|
|
|
if (s->state == SERVICE_STOP ||
|
|
|
|
s->state == SERVICE_STOP_SIGTERM ||
|
|
|
|
s->state == SERVICE_STOP_SIGKILL ||
|
|
|
|
s->state == SERVICE_STOP_POST ||
|
|
|
|
s->state == SERVICE_FINAL_SIGTERM ||
|
|
|
|
s->state == SERVICE_FINAL_SIGKILL)
|
2010-01-23 01:52:57 +01:00
|
|
|
return -EAGAIN;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
/* Already on it! */
|
|
|
|
if (s->state == SERVICE_START_PRE ||
|
|
|
|
s->state == SERVICE_START ||
|
|
|
|
s->state == SERVICE_START_POST)
|
|
|
|
return 0;
|
|
|
|
|
2012-04-29 15:35:51 +02:00
|
|
|
/* A service that will be restarted must be stopped first to
|
|
|
|
* trigger BindTo and/or OnFailure dependencies. If a user
|
|
|
|
* does not want to wait for the holdoff time to elapse, the
|
|
|
|
* service should be manually restarted, not started. */
|
|
|
|
if (s->state == SERVICE_AUTO_RESTART) {
|
|
|
|
log_warning("%s automatic restart is pending, must be stopped before issuing start request.", UNIT(s)->id);
|
|
|
|
return -ECANCELED;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED);
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-01-29 04:42:57 +01:00
|
|
|
/* Make sure we don't enter a busy loop of some kind. */
|
2012-02-09 13:05:23 +01:00
|
|
|
r = service_start_limit_test(s);
|
2012-03-05 22:47:54 +01:00
|
|
|
if (r < 0) {
|
|
|
|
service_notify_sockets_dead(s, true);
|
2012-02-09 13:05:23 +01:00
|
|
|
return r;
|
2012-03-05 22:47:54 +01:00
|
|
|
}
|
2010-01-29 04:42:57 +01:00
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
s->result = SERVICE_SUCCESS;
|
|
|
|
s->reload_result = SERVICE_SUCCESS;
|
2010-01-26 04:18:44 +01:00
|
|
|
s->main_pid_known = false;
|
2011-04-28 04:56:53 +02:00
|
|
|
s->main_pid_alien = false;
|
2010-08-09 23:33:48 +02:00
|
|
|
s->forbid_restart = false;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
service_enter_start_pre(s);
|
|
|
|
return 0;
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static int service_stop(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
2010-01-23 01:52:57 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2012-04-29 15:35:48 +02:00
|
|
|
/* Don't create restart jobs from here. */
|
2010-08-09 23:33:48 +02:00
|
|
|
s->forbid_restart = true;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
/* Already on it */
|
|
|
|
if (s->state == SERVICE_STOP ||
|
|
|
|
s->state == SERVICE_STOP_SIGTERM ||
|
|
|
|
s->state == SERVICE_STOP_SIGKILL ||
|
|
|
|
s->state == SERVICE_STOP_POST ||
|
|
|
|
s->state == SERVICE_FINAL_SIGTERM ||
|
|
|
|
s->state == SERVICE_FINAL_SIGKILL)
|
|
|
|
return 0;
|
|
|
|
|
2012-04-29 15:35:48 +02:00
|
|
|
/* A restart will be scheduled or is in progress. */
|
2010-01-26 04:18:44 +01:00
|
|
|
if (s->state == SERVICE_AUTO_RESTART) {
|
2012-06-26 11:42:52 +02:00
|
|
|
service_set_state(s, SERVICE_DEAD);
|
2010-01-26 04:18:44 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-07-10 04:52:00 +02:00
|
|
|
/* If there's already something running we go directly into
|
|
|
|
* kill mode. */
|
|
|
|
if (s->state == SERVICE_START_PRE ||
|
|
|
|
s->state == SERVICE_START ||
|
|
|
|
s->state == SERVICE_START_POST ||
|
|
|
|
s->state == SERVICE_RELOAD) {
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS);
|
2010-07-10 04:52:00 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-07-10 04:52:00 +02:00
|
|
|
assert(s->state == SERVICE_RUNNING ||
|
|
|
|
s->state == SERVICE_EXITED);
|
2010-04-23 22:55:14 +02:00
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_SUCCESS);
|
2010-01-23 01:52:57 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static int service_reload(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
service_enter_reload(s);
|
2010-01-23 01:52:57 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static bool service_can_reload(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
return !!s->exec_command[SERVICE_EXEC_RELOAD];
|
|
|
|
}
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(u);
|
|
|
|
assert(f);
|
|
|
|
assert(fds);
|
|
|
|
|
|
|
|
unit_serialize_item(u, f, "state", service_state_to_string(s->state));
|
2012-02-03 02:01:35 +01:00
|
|
|
unit_serialize_item(u, f, "result", service_result_to_string(s->result));
|
|
|
|
unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result));
|
2010-04-21 03:27:44 +02:00
|
|
|
|
|
|
|
if (s->control_pid > 0)
|
2010-06-17 22:55:53 +02:00
|
|
|
unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
|
2010-04-21 03:27:44 +02:00
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if (s->main_pid_known && s->main_pid > 0)
|
|
|
|
unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
|
2010-04-21 03:27:44 +02:00
|
|
|
|
|
|
|
unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
|
|
|
|
|
2010-07-21 05:16:45 +02:00
|
|
|
if (s->status_text)
|
|
|
|
unit_serialize_item(u, f, "status-text", s->status_text);
|
|
|
|
|
2012-02-03 02:31:54 +01:00
|
|
|
/* FIXME: There's a minor uncleanliness here: if there are
|
|
|
|
* multiple commands attached here, we will start from the
|
|
|
|
* first one again */
|
2010-04-21 03:27:44 +02:00
|
|
|
if (s->control_command_id >= 0)
|
2010-04-24 01:04:31 +02:00
|
|
|
unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
|
2010-04-21 03:27:44 +02:00
|
|
|
|
|
|
|
if (s->socket_fd >= 0) {
|
|
|
|
int copy;
|
|
|
|
|
|
|
|
if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
|
|
|
|
return copy;
|
|
|
|
|
|
|
|
unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
|
|
|
|
}
|
|
|
|
|
2010-07-07 04:12:59 +02:00
|
|
|
if (s->main_exec_status.pid > 0) {
|
|
|
|
unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
|
2010-10-28 03:16:03 +02:00
|
|
|
dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp);
|
|
|
|
dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp);
|
2010-07-07 04:12:59 +02:00
|
|
|
|
2010-10-28 03:16:03 +02:00
|
|
|
if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) {
|
2010-07-07 04:12:59 +02:00
|
|
|
unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
|
|
|
|
unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
|
|
|
|
}
|
|
|
|
}
|
2012-02-01 17:17:12 +01:00
|
|
|
if (dual_timestamp_is_set(&s->watchdog_timestamp))
|
|
|
|
dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
|
2010-07-07 04:12:59 +02:00
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(u);
|
|
|
|
assert(key);
|
|
|
|
assert(value);
|
|
|
|
assert(fds);
|
|
|
|
|
|
|
|
if (streq(key, "state")) {
|
|
|
|
ServiceState state;
|
|
|
|
|
|
|
|
if ((state = service_state_from_string(value)) < 0)
|
|
|
|
log_debug("Failed to parse state value %s", value);
|
|
|
|
else
|
|
|
|
s->deserialized_state = state;
|
2012-02-03 02:01:35 +01:00
|
|
|
} else if (streq(key, "result")) {
|
|
|
|
ServiceResult f;
|
|
|
|
|
|
|
|
f = service_result_from_string(value);
|
|
|
|
if (f < 0)
|
|
|
|
log_debug("Failed to parse result value %s", value);
|
|
|
|
else if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
|
|
|
|
|
|
|
} else if (streq(key, "reload-result")) {
|
|
|
|
ServiceResult f;
|
|
|
|
|
|
|
|
f = service_result_from_string(value);
|
|
|
|
if (f < 0)
|
|
|
|
log_debug("Failed to parse reload result value %s", value);
|
|
|
|
else if (f != SERVICE_SUCCESS)
|
|
|
|
s->reload_result = f;
|
2010-04-21 03:27:44 +02:00
|
|
|
|
|
|
|
} else if (streq(key, "control-pid")) {
|
2010-06-17 22:55:53 +02:00
|
|
|
pid_t pid;
|
2010-04-21 03:27:44 +02:00
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if (parse_pid(value, &pid) < 0)
|
2010-04-21 03:27:44 +02:00
|
|
|
log_debug("Failed to parse control-pid value %s", value);
|
|
|
|
else
|
2010-06-18 22:05:29 +02:00
|
|
|
s->control_pid = pid;
|
2010-04-21 03:27:44 +02:00
|
|
|
} else if (streq(key, "main-pid")) {
|
2010-06-17 22:55:53 +02:00
|
|
|
pid_t pid;
|
2010-04-21 03:27:44 +02:00
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if (parse_pid(value, &pid) < 0)
|
2010-04-21 03:27:44 +02:00
|
|
|
log_debug("Failed to parse main-pid value %s", value);
|
|
|
|
else
|
2010-06-17 22:55:53 +02:00
|
|
|
service_set_main_pid(s, (pid_t) pid);
|
2010-04-21 03:27:44 +02:00
|
|
|
} else if (streq(key, "main-pid-known")) {
|
|
|
|
int b;
|
|
|
|
|
|
|
|
if ((b = parse_boolean(value)) < 0)
|
|
|
|
log_debug("Failed to parse main-pid-known value %s", value);
|
|
|
|
else
|
|
|
|
s->main_pid_known = b;
|
2010-07-21 05:16:45 +02:00
|
|
|
} else if (streq(key, "status-text")) {
|
|
|
|
char *t;
|
|
|
|
|
|
|
|
if ((t = strdup(value))) {
|
|
|
|
free(s->status_text);
|
|
|
|
s->status_text = t;
|
|
|
|
}
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
} else if (streq(key, "control-command")) {
|
|
|
|
ServiceExecCommand id;
|
|
|
|
|
|
|
|
if ((id = service_exec_command_from_string(value)) < 0)
|
|
|
|
log_debug("Failed to parse exec-command value %s", value);
|
|
|
|
else {
|
|
|
|
s->control_command_id = id;
|
|
|
|
s->control_command = s->exec_command[id];
|
|
|
|
}
|
|
|
|
} else if (streq(key, "socket-fd")) {
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
|
|
|
|
log_debug("Failed to parse socket-fd value %s", value);
|
|
|
|
else {
|
|
|
|
|
|
|
|
if (s->socket_fd >= 0)
|
|
|
|
close_nointr_nofail(s->socket_fd);
|
|
|
|
s->socket_fd = fdset_remove(fds, fd);
|
|
|
|
}
|
2010-07-07 04:12:59 +02:00
|
|
|
} else if (streq(key, "main-exec-status-pid")) {
|
|
|
|
pid_t pid;
|
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if (parse_pid(value, &pid) < 0)
|
2010-07-07 04:12:59 +02:00
|
|
|
log_debug("Failed to parse main-exec-status-pid value %s", value);
|
|
|
|
else
|
|
|
|
s->main_exec_status.pid = pid;
|
|
|
|
} else if (streq(key, "main-exec-status-code")) {
|
|
|
|
int i;
|
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if (safe_atoi(value, &i) < 0)
|
2010-07-07 04:12:59 +02:00
|
|
|
log_debug("Failed to parse main-exec-status-code value %s", value);
|
|
|
|
else
|
|
|
|
s->main_exec_status.code = i;
|
|
|
|
} else if (streq(key, "main-exec-status-status")) {
|
|
|
|
int i;
|
|
|
|
|
2010-08-11 22:04:22 +02:00
|
|
|
if (safe_atoi(value, &i) < 0)
|
2010-07-07 04:12:59 +02:00
|
|
|
log_debug("Failed to parse main-exec-status-status value %s", value);
|
|
|
|
else
|
|
|
|
s->main_exec_status.status = i;
|
2010-10-28 03:16:03 +02:00
|
|
|
} else if (streq(key, "main-exec-status-start"))
|
|
|
|
dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp);
|
|
|
|
else if (streq(key, "main-exec-status-exit"))
|
|
|
|
dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp);
|
2012-02-01 17:17:12 +01:00
|
|
|
else if (streq(key, "watchdog-timestamp"))
|
|
|
|
dual_timestamp_deserialize(value, &s->watchdog_timestamp);
|
2010-10-28 03:16:03 +02:00
|
|
|
else
|
2010-04-21 03:27:44 +02:00
|
|
|
log_debug("Unknown serialization key '%s'", key);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static UnitActiveState service_active_state(Unit *u) {
|
2012-05-24 02:22:35 +02:00
|
|
|
const UnitActiveState *table;
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
assert(u);
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2012-05-24 02:22:35 +02:00
|
|
|
table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table;
|
|
|
|
|
|
|
|
return table[SERVICE(u)->state];
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2010-04-13 20:59:01 +02:00
|
|
|
static const char *service_sub_state_to_string(Unit *u) {
|
|
|
|
assert(u);
|
|
|
|
|
|
|
|
return service_state_to_string(SERVICE(u)->state);
|
|
|
|
}
|
|
|
|
|
2010-04-21 06:01:13 +02:00
|
|
|
static bool service_check_gc(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2011-02-25 01:49:10 +01:00
|
|
|
/* Never clean up services that still have a process around,
|
|
|
|
* even if the service is formally dead. */
|
|
|
|
if (cgroup_good(s) > 0 ||
|
|
|
|
main_pid_good(s) > 0 ||
|
|
|
|
control_pid_good(s) > 0)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2012-05-22 23:08:24 +02:00
|
|
|
if (s->is_sysv)
|
2011-02-25 01:49:10 +01:00
|
|
|
return true;
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-04-21 06:01:13 +02:00
|
|
|
|
2011-02-25 01:49:10 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2010-04-21 06:01:13 +02:00
|
|
|
static bool service_check_snapshot(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
return !s->got_socket_fd;
|
|
|
|
}
|
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
static int service_retry_pid_file(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(s->pid_file);
|
|
|
|
assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
|
|
|
|
|
|
|
|
r = service_load_pid_file(s, false);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
service_unwatch_pid_file(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2011-12-03 02:13:30 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int service_watch_pid_file(Service *s) {
|
|
|
|
int r;
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
|
2012-01-06 23:08:54 +01:00
|
|
|
r = path_spec_watch(s->pid_file_pathspec, UNIT(s));
|
2011-12-03 02:13:30 +01:00
|
|
|
if (r < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
/* the pidfile might have appeared just before we set the watch */
|
|
|
|
service_retry_pid_file(s);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
|
|
log_error("Failed to set a watch for %s's PID file %s: %s",
|
2012-01-15 12:25:20 +01:00
|
|
|
UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
|
2011-12-03 02:13:30 +01:00
|
|
|
service_unwatch_pid_file(s);
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int service_demand_pid_file(Service *s) {
|
|
|
|
PathSpec *ps;
|
|
|
|
|
|
|
|
assert(s->pid_file);
|
|
|
|
assert(!s->pid_file_pathspec);
|
|
|
|
|
|
|
|
ps = new0(PathSpec, 1);
|
|
|
|
if (!ps)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
ps->path = strdup(s->pid_file);
|
|
|
|
if (!ps->path) {
|
|
|
|
free(ps);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
path_kill_slashes(ps->path);
|
|
|
|
|
|
|
|
/* PATH_CHANGED would not be enough. There are daemons (sendmail) that
|
|
|
|
* keep their PID file open all the time. */
|
|
|
|
ps->type = PATH_MODIFIED;
|
|
|
|
ps->inotify_fd = -1;
|
|
|
|
|
|
|
|
s->pid_file_pathspec = ps;
|
|
|
|
|
|
|
|
return service_watch_pid_file(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(fd >= 0);
|
|
|
|
assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
|
|
|
|
assert(s->pid_file_pathspec);
|
2012-01-06 23:08:54 +01:00
|
|
|
assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
|
2011-12-03 02:13:30 +01:00
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("inotify event for %s", u->id);
|
2011-12-03 02:13:30 +01:00
|
|
|
|
2012-01-06 23:08:54 +01:00
|
|
|
if (path_spec_fd_event(s->pid_file_pathspec, events) < 0)
|
2011-12-03 02:13:30 +01:00
|
|
|
goto fail;
|
|
|
|
|
|
|
|
if (service_retry_pid_file(s) == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (service_watch_pid_file(s) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
return;
|
|
|
|
fail:
|
|
|
|
service_unwatch_pid_file(s);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2011-12-03 02:13:30 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
|
|
|
|
Service *s = SERVICE(u);
|
2012-02-03 02:01:35 +01:00
|
|
|
ServiceResult f;
|
2010-01-23 01:52:57 +01:00
|
|
|
|
|
|
|
assert(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
assert(pid >= 0);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status))
|
|
|
|
f = SERVICE_SUCCESS;
|
|
|
|
else if (code == CLD_EXITED)
|
|
|
|
f = SERVICE_FAILURE_EXIT_CODE;
|
|
|
|
else if (code == CLD_KILLED)
|
|
|
|
f = SERVICE_FAILURE_SIGNAL;
|
|
|
|
else if (code == CLD_DUMPED)
|
|
|
|
f = SERVICE_FAILURE_CORE_DUMP;
|
2010-08-19 03:18:49 +02:00
|
|
|
else
|
2012-02-03 02:31:54 +01:00
|
|
|
assert_not_reached("Unknown code");
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
if (s->main_pid == pid) {
|
2011-09-20 21:43:30 +02:00
|
|
|
/* Forking services may occasionally move to a new PID.
|
|
|
|
* As long as they update the PID file before exiting the old
|
|
|
|
* PID, they're fine. */
|
2011-09-22 13:10:32 +02:00
|
|
|
if (service_load_pid_file(s, false) == 0)
|
2011-09-20 21:43:30 +02:00
|
|
|
return;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
s->main_pid = 0;
|
2011-05-18 01:07:31 +02:00
|
|
|
exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
/* If this is not a forking service than the main
|
|
|
|
* process got started and hence we copy the exit
|
|
|
|
* status so that it is recorded both as main and as
|
|
|
|
* control process exit status */
|
|
|
|
if (s->main_command) {
|
|
|
|
s->main_command->exec_status = s->main_exec_status;
|
2010-07-12 02:25:42 +02:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
if (s->main_command->ignore)
|
2012-02-03 02:01:35 +01:00
|
|
|
f = SERVICE_SUCCESS;
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
|
2012-01-15 12:04:08 +01:00
|
|
|
"%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status);
|
2012-02-03 02:01:35 +01:00
|
|
|
|
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-01-20 18:46:38 +01:00
|
|
|
if (s->main_command &&
|
|
|
|
s->main_command->command_next &&
|
2012-02-03 02:01:35 +01:00
|
|
|
f == SERVICE_SUCCESS) {
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
/* There is another command to *
|
|
|
|
* execute, so let's do that. */
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_run_next_main(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
} else {
|
|
|
|
|
|
|
|
/* The service exited, so the service is officially
|
|
|
|
* gone. */
|
2011-01-20 18:46:38 +01:00
|
|
|
s->main_command = NULL;
|
2010-08-13 18:23:01 +02:00
|
|
|
|
|
|
|
switch (s->state) {
|
|
|
|
|
|
|
|
case SERVICE_START_POST:
|
|
|
|
case SERVICE_RELOAD:
|
|
|
|
case SERVICE_STOP:
|
|
|
|
/* Need to wait until the operation is
|
|
|
|
* done */
|
2010-06-04 21:23:00 +02:00
|
|
|
break;
|
2010-01-30 02:07:35 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
case SERVICE_START:
|
|
|
|
if (s->type == SERVICE_ONESHOT) {
|
|
|
|
/* This was our main goal, so let's go on */
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f == SERVICE_SUCCESS)
|
2010-08-13 18:23:01 +02:00
|
|
|
service_enter_start_post(s);
|
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
|
2010-08-13 18:23:01 +02:00
|
|
|
break;
|
|
|
|
} else {
|
|
|
|
assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
|
2010-01-30 02:07:35 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
/* Fall through */
|
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
case SERVICE_RUNNING:
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, f);
|
2010-08-13 18:23:01 +02:00
|
|
|
break;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
case SERVICE_STOP_SIGTERM:
|
|
|
|
case SERVICE_STOP_SIGKILL:
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
if (!control_pid_good(s))
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, f);
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
/* If there is still a control process, wait for that first */
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
assert_not_reached("Uh, main process died at wrong time.");
|
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
} else if (s->control_pid == pid) {
|
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
s->control_pid = 0;
|
|
|
|
|
2010-07-12 02:25:42 +02:00
|
|
|
if (s->control_command) {
|
2011-05-18 01:07:31 +02:00
|
|
|
exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
|
2010-04-21 03:27:44 +02:00
|
|
|
|
2010-07-12 02:25:42 +02:00
|
|
|
if (s->control_command->ignore)
|
2012-02-03 02:01:35 +01:00
|
|
|
f = SERVICE_SUCCESS;
|
2010-07-12 02:25:42 +02:00
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE,
|
2012-01-15 12:04:08 +01:00
|
|
|
"%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
|
2012-02-03 02:01:35 +01:00
|
|
|
|
|
|
|
if (f != SERVICE_SUCCESS)
|
|
|
|
s->result = f;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2012-05-03 21:54:44 +02:00
|
|
|
/* Immediately get rid of the cgroup, so that the
|
|
|
|
* kernel doesn't delay the cgroup empty messages for
|
|
|
|
* the service cgroup any longer than necessary */
|
|
|
|
cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control");
|
|
|
|
|
2010-08-13 18:23:01 +02:00
|
|
|
if (s->control_command &&
|
|
|
|
s->control_command->command_next &&
|
2012-02-03 02:01:35 +01:00
|
|
|
f == SERVICE_SUCCESS) {
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
/* There is another command to *
|
|
|
|
* execute, so let's do that. */
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state));
|
2012-02-03 02:01:35 +01:00
|
|
|
service_run_next_control(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-04-13 02:06:27 +02:00
|
|
|
} else {
|
2010-01-26 04:18:44 +01:00
|
|
|
/* No further commands for this step, so let's
|
|
|
|
* figure out what to do next */
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
s->control_command = NULL;
|
|
|
|
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
|
2010-01-27 05:32:31 +01:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
switch (s->state) {
|
|
|
|
|
|
|
|
case SERVICE_START_PRE:
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f == SERVICE_SUCCESS)
|
2010-01-26 04:18:44 +01:00
|
|
|
service_enter_start(s);
|
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_START:
|
|
|
|
assert(s->type == SERVICE_FORKING);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS) {
|
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, f);
|
2011-12-03 02:13:30 +01:00
|
|
|
break;
|
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
if (s->pid_file) {
|
2012-02-03 02:01:35 +01:00
|
|
|
bool has_start_post;
|
|
|
|
int r;
|
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
/* Let's try to load the pid file here if we can.
|
|
|
|
* The PID file might actually be created by a START_POST
|
|
|
|
* script. In that case don't worry if the loading fails. */
|
2012-02-03 02:01:35 +01:00
|
|
|
|
|
|
|
has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST];
|
|
|
|
r = service_load_pid_file(s, !has_start_post);
|
2011-12-03 02:13:30 +01:00
|
|
|
if (!has_start_post && r < 0) {
|
|
|
|
r = service_demand_pid_file(s);
|
|
|
|
if (r < 0 || !cgroup_good(s))
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2011-12-03 02:13:30 +01:00
|
|
|
break;
|
|
|
|
}
|
2010-01-26 04:18:44 +01:00
|
|
|
} else
|
2011-12-03 02:13:30 +01:00
|
|
|
service_search_main_pid(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
service_enter_start_post(s);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_START_POST:
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f != SERVICE_SUCCESS) {
|
|
|
|
service_enter_stop(s, f);
|
2011-12-03 21:34:34 +01:00
|
|
|
break;
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2011-12-03 21:34:34 +01:00
|
|
|
if (s->pid_file) {
|
2012-02-03 02:01:35 +01:00
|
|
|
int r;
|
|
|
|
|
|
|
|
r = service_load_pid_file(s, true);
|
2011-12-03 21:34:34 +01:00
|
|
|
if (r < 0) {
|
|
|
|
r = service_demand_pid_file(s);
|
|
|
|
if (r < 0 || !cgroup_good(s))
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
|
2011-12-03 21:34:34 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
service_search_main_pid(s);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2011-02-13 18:51:30 +01:00
|
|
|
break;
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
case SERVICE_RELOAD:
|
2012-02-03 02:01:35 +01:00
|
|
|
if (f == SERVICE_SUCCESS) {
|
2011-09-22 13:10:32 +02:00
|
|
|
service_load_pid_file(s, true);
|
2011-02-13 18:51:30 +01:00
|
|
|
service_search_main_pid(s);
|
|
|
|
}
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
s->reload_result = f;
|
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP:
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, f);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP_SIGTERM:
|
|
|
|
case SERVICE_STOP_SIGKILL:
|
|
|
|
if (main_pid_good(s) <= 0)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, f);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
/* If there is still a service
|
|
|
|
* process around, wait until
|
|
|
|
* that one quit, too */
|
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP_POST:
|
|
|
|
case SERVICE_FINAL_SIGTERM:
|
|
|
|
case SERVICE_FINAL_SIGKILL:
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, f, true);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
assert_not_reached("Uh, control process died at wrong time.");
|
|
|
|
}
|
|
|
|
}
|
2010-06-16 05:10:31 +02:00
|
|
|
}
|
2010-08-20 02:26:05 +02:00
|
|
|
|
|
|
|
/* Notify clients about changed exit status */
|
|
|
|
unit_add_to_dbus_queue(u);
|
2010-01-26 04:18:44 +01:00
|
|
|
}
|
|
|
|
|
2010-01-27 04:31:52 +01:00
|
|
|
static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
|
2010-01-26 21:39:06 +01:00
|
|
|
Service *s = SERVICE(u);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(elapsed == 1);
|
|
|
|
|
2012-02-08 10:10:34 +01:00
|
|
|
if (w == &s->watchdog_watch) {
|
|
|
|
service_handle_watchdog(s);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-01-27 04:31:52 +01:00
|
|
|
assert(w == &s->timer_watch);
|
2010-01-26 04:18:44 +01:00
|
|
|
|
|
|
|
switch (s->state) {
|
|
|
|
|
|
|
|
case SERVICE_START_PRE:
|
|
|
|
case SERVICE_START:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s operation timed out. Terminating.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
|
2010-04-13 02:06:27 +02:00
|
|
|
break;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
case SERVICE_START_POST:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s operation timed out. Stopping.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_TIMEOUT);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
2011-01-20 13:17:22 +01:00
|
|
|
case SERVICE_RELOAD:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s operation timed out. Stopping.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
s->reload_result = SERVICE_FAILURE_TIMEOUT;
|
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2011-01-20 13:17:22 +01:00
|
|
|
break;
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
case SERVICE_STOP:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out. Terminating.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP_SIGTERM:
|
2011-01-18 22:55:54 +01:00
|
|
|
if (s->exec_context.send_sigkill) {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out. Killing.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT);
|
2011-01-18 22:55:54 +01:00
|
|
|
} else {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out. Skipping SIGKILL.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
|
2011-01-18 22:55:54 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP_SIGKILL:
|
2011-02-21 15:32:17 +01:00
|
|
|
/* Uh, we sent a SIGKILL and it is still not gone?
|
2010-01-26 04:18:44 +01:00
|
|
|
* Must be something we cannot kill, so let's just be
|
|
|
|
* weirded out and continue */
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s still around after SIGKILL. Ignoring.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_STOP_POST:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out (2). Terminating.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_FINAL_SIGTERM:
|
2011-01-18 22:55:54 +01:00
|
|
|
if (s->exec_context.send_sigkill) {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out (2). Killing.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT);
|
2011-01-18 22:55:54 +01:00
|
|
|
} else {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false);
|
2011-01-18 22:55:54 +01:00
|
|
|
}
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_FINAL_SIGKILL:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true);
|
2010-01-26 04:18:44 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SERVICE_AUTO_RESTART:
|
2012-01-15 12:04:08 +01:00
|
|
|
log_info("%s holdoff time over, scheduling restart.", u->id);
|
2010-01-26 04:18:44 +01:00
|
|
|
service_enter_restart(s);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
assert_not_reached("Timeout at wrong time.");
|
|
|
|
}
|
2010-01-23 01:52:57 +01:00
|
|
|
}
|
|
|
|
|
2010-03-31 16:29:55 +02:00
|
|
|
static void service_cgroup_notify_event(Unit *u) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(u);
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s: cgroup is empty", u->id);
|
2010-03-31 16:29:55 +02:00
|
|
|
|
|
|
|
switch (s->state) {
|
|
|
|
|
|
|
|
/* Waiting for SIGCHLD is usually more interesting,
|
|
|
|
* because it includes return codes/signals. Which is
|
|
|
|
* why we ignore the cgroup events for most cases,
|
|
|
|
* except when we don't know pid which to expect the
|
|
|
|
* SIGCHLD for. */
|
|
|
|
|
2011-12-03 02:13:30 +01:00
|
|
|
case SERVICE_START:
|
|
|
|
case SERVICE_START_POST:
|
|
|
|
/* If we were hoping for the daemon to write its PID file,
|
|
|
|
* we can give up now. */
|
|
|
|
if (s->pid_file_pathspec) {
|
2012-01-15 12:25:20 +01:00
|
|
|
log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id);
|
2011-12-03 02:13:30 +01:00
|
|
|
service_unwatch_pid_file(s);
|
|
|
|
if (s->state == SERVICE_START)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES);
|
2011-12-03 02:13:30 +01:00
|
|
|
else
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
|
2011-12-03 02:13:30 +01:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
2010-03-31 16:29:55 +02:00
|
|
|
case SERVICE_RUNNING:
|
2012-02-03 02:01:35 +01:00
|
|
|
/* service_enter_running() will figure out what to do */
|
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-03-31 16:29:55 +02:00
|
|
|
break;
|
|
|
|
|
2010-09-01 01:33:12 +02:00
|
|
|
case SERVICE_STOP_SIGTERM:
|
|
|
|
case SERVICE_STOP_SIGKILL:
|
2011-04-28 04:56:53 +02:00
|
|
|
|
2010-09-01 01:33:12 +02:00
|
|
|
if (main_pid_good(s) <= 0 && !control_pid_good(s))
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_stop_post(s, SERVICE_SUCCESS);
|
2010-09-01 01:33:12 +02:00
|
|
|
|
|
|
|
break;
|
|
|
|
|
2010-09-03 01:41:40 +02:00
|
|
|
case SERVICE_FINAL_SIGTERM:
|
|
|
|
case SERVICE_FINAL_SIGKILL:
|
|
|
|
if (main_pid_good(s) <= 0 && !control_pid_good(s))
|
2012-06-26 11:32:30 +02:00
|
|
|
service_enter_dead(s, SERVICE_SUCCESS, true);
|
2010-09-03 01:41:40 +02:00
|
|
|
|
|
|
|
break;
|
|
|
|
|
2010-03-31 16:29:55 +02:00
|
|
|
default:
|
|
|
|
;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-06-18 23:12:48 +02:00
|
|
|
static void service_notify_message(Unit *u, pid_t pid, char **tags) {
|
2010-06-16 05:10:31 +02:00
|
|
|
Service *s = SERVICE(u);
|
|
|
|
const char *e;
|
|
|
|
|
|
|
|
assert(u);
|
|
|
|
|
2010-06-18 23:12:48 +02:00
|
|
|
if (s->notify_access == NOTIFY_NONE) {
|
|
|
|
log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
|
2012-01-15 12:04:08 +01:00
|
|
|
u->id, (unsigned long) pid);
|
2010-06-18 23:12:48 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
|
|
|
|
log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
|
2012-01-15 12:04:08 +01:00
|
|
|
u->id, (unsigned long) pid, (unsigned long) s->main_pid);
|
2010-06-18 23:12:48 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s: Got message", u->id);
|
2010-06-16 05:10:31 +02:00
|
|
|
|
|
|
|
/* Interpret MAINPID= */
|
|
|
|
if ((e = strv_find_prefix(tags, "MAINPID=")) &&
|
|
|
|
(s->state == SERVICE_START ||
|
|
|
|
s->state == SERVICE_START_POST ||
|
|
|
|
s->state == SERVICE_RUNNING ||
|
|
|
|
s->state == SERVICE_RELOAD)) {
|
|
|
|
|
2010-06-17 22:55:53 +02:00
|
|
|
if (parse_pid(e + 8, &pid) < 0)
|
2010-07-17 04:17:30 +02:00
|
|
|
log_warning("Failed to parse notification message %s", e);
|
2010-06-16 05:10:31 +02:00
|
|
|
else {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s: got %s", u->id, e);
|
2010-06-17 22:55:53 +02:00
|
|
|
service_set_main_pid(s, pid);
|
2010-06-16 05:10:31 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Interpret READY= */
|
|
|
|
if (s->type == SERVICE_NOTIFY &&
|
|
|
|
s->state == SERVICE_START &&
|
|
|
|
strv_find(tags, "READY=1")) {
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s: got READY=1", u->id);
|
2010-06-16 05:10:31 +02:00
|
|
|
|
|
|
|
service_enter_start_post(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Interpret STATUS= */
|
2012-03-12 22:22:16 +01:00
|
|
|
e = strv_find_prefix(tags, "STATUS=");
|
|
|
|
if (e) {
|
2010-06-16 05:10:31 +02:00
|
|
|
char *t;
|
|
|
|
|
2010-07-21 05:16:45 +02:00
|
|
|
if (e[7]) {
|
2012-03-12 22:22:16 +01:00
|
|
|
|
|
|
|
if (!utf8_is_valid(e+7)) {
|
|
|
|
log_warning("Status message in notification is not UTF-8 clean.");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
t = strdup(e+7);
|
|
|
|
if (!t) {
|
2010-07-21 05:16:45 +02:00
|
|
|
log_error("Failed to allocate string.");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s: got %s", u->id, e);
|
2010-06-16 05:10:31 +02:00
|
|
|
|
2010-07-21 05:16:45 +02:00
|
|
|
free(s->status_text);
|
|
|
|
s->status_text = t;
|
|
|
|
} else {
|
|
|
|
free(s->status_text);
|
|
|
|
s->status_text = NULL;
|
|
|
|
}
|
2010-06-16 05:10:31 +02:00
|
|
|
|
|
|
|
}
|
2012-02-01 17:17:12 +01:00
|
|
|
if (strv_find(tags, "WATCHDOG=1")) {
|
|
|
|
log_debug("%s: got WATCHDOG=1", u->id);
|
|
|
|
service_reset_watchdog(s);
|
|
|
|
}
|
2010-08-20 02:26:05 +02:00
|
|
|
|
|
|
|
/* Notify clients about changed status or main pid */
|
|
|
|
unit_add_to_dbus_queue(u);
|
2010-06-16 05:10:31 +02:00
|
|
|
}
|
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2011-06-29 13:59:34 +02:00
|
|
|
|
|
|
|
#ifdef TARGET_SUSE
|
|
|
|
static void sysv_facility_in_insserv_conf(Manager *mgr) {
|
|
|
|
FILE *f=NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
if (!(f = fopen("/etc/insserv.conf", "re"))) {
|
|
|
|
r = errno == ENOENT ? 0 : -errno;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (!feof(f)) {
|
|
|
|
char l[LINE_MAX], *t;
|
|
|
|
char **parsed = NULL;
|
|
|
|
|
|
|
|
if (!fgets(l, sizeof(l), f)) {
|
|
|
|
if (feof(f))
|
|
|
|
break;
|
|
|
|
|
|
|
|
r = -errno;
|
|
|
|
log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r));
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
t = strstrip(l);
|
|
|
|
if (*t != '$' && *t != '<')
|
|
|
|
continue;
|
|
|
|
|
|
|
|
parsed = strv_split(t,WHITESPACE);
|
|
|
|
/* we ignore <interactive>, not used, equivalent to X-Interactive */
|
|
|
|
if (parsed && !startswith_no_case (parsed[0], "<interactive>")) {
|
|
|
|
char *facility;
|
|
|
|
Unit *u;
|
|
|
|
if (sysv_translate_facility(parsed[0], NULL, &facility) < 0)
|
|
|
|
continue;
|
2012-01-15 12:04:08 +01:00
|
|
|
if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) {
|
2011-06-29 13:59:34 +02:00
|
|
|
UnitDependency e;
|
|
|
|
char *dep = NULL, *name, **j;
|
|
|
|
|
|
|
|
STRV_FOREACH (j, parsed+1) {
|
|
|
|
if (*j[0]=='+') {
|
|
|
|
e = UNIT_WANTS;
|
|
|
|
name = *j+1;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
e = UNIT_REQUIRES;
|
|
|
|
name = *j;
|
|
|
|
}
|
|
|
|
if (sysv_translate_facility(name, NULL, &dep) < 0)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true);
|
|
|
|
free(dep);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
free(facility);
|
|
|
|
}
|
|
|
|
strv_free(parsed);
|
|
|
|
}
|
|
|
|
finish:
|
|
|
|
if (f)
|
|
|
|
fclose(f);
|
|
|
|
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
static int service_enumerate(Manager *m) {
|
|
|
|
char **p;
|
|
|
|
unsigned i;
|
|
|
|
DIR *d = NULL;
|
|
|
|
char *path = NULL, *fpath = NULL, *name = NULL;
|
2010-09-03 03:56:05 +02:00
|
|
|
Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
|
|
|
|
Unit *service;
|
|
|
|
Iterator j;
|
2010-02-14 01:09:01 +01:00
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
|
2011-07-01 23:53:44 +02:00
|
|
|
if (m->running_as != MANAGER_SYSTEM)
|
|
|
|
return 0;
|
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
zero(runlevel_services);
|
|
|
|
|
2010-06-15 14:45:15 +02:00
|
|
|
STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
|
2010-04-24 05:02:25 +02:00
|
|
|
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
|
2010-02-14 01:09:01 +01:00
|
|
|
struct dirent *de;
|
|
|
|
|
|
|
|
free(path);
|
2011-08-01 01:55:31 +02:00
|
|
|
path = join(*p, "/", rcnd_table[i].path, NULL);
|
|
|
|
if (!path) {
|
2010-02-14 01:09:01 +01:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (d)
|
|
|
|
closedir(d);
|
|
|
|
|
|
|
|
if (!(d = opendir(path))) {
|
|
|
|
if (errno != ENOENT)
|
|
|
|
log_warning("opendir() failed on %s: %s", path, strerror(errno));
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
while ((de = readdir(d))) {
|
2010-04-24 04:26:33 +02:00
|
|
|
int a, b;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
if (ignore_file(de->d_name))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (strlen(de->d_name) < 4)
|
|
|
|
continue;
|
|
|
|
|
2010-04-24 04:26:33 +02:00
|
|
|
a = undecchar(de->d_name[1]);
|
|
|
|
b = undecchar(de->d_name[2]);
|
|
|
|
|
|
|
|
if (a < 0 || b < 0)
|
|
|
|
continue;
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
free(fpath);
|
2011-08-01 02:39:22 +02:00
|
|
|
fpath = join(path, "/", de->d_name, NULL);
|
2011-09-23 01:43:28 +02:00
|
|
|
if (!fpath) {
|
2010-02-14 01:09:01 +01:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (access(fpath, X_OK) < 0) {
|
|
|
|
|
|
|
|
if (errno != ENOENT)
|
|
|
|
log_warning("access() failed on %s: %s", fpath, strerror(errno));
|
|
|
|
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
free(name);
|
2010-05-19 03:44:07 +02:00
|
|
|
if (!(name = sysv_translate_name(de->d_name + 3))) {
|
2010-02-14 01:09:01 +01:00
|
|
|
r = -ENOMEM;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2010-07-08 02:43:18 +02:00
|
|
|
if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
|
2010-05-13 22:24:22 +02:00
|
|
|
log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
|
|
|
|
continue;
|
|
|
|
}
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
if (de->d_name[0] == 'S') {
|
|
|
|
|
2010-09-03 04:08:16 +02:00
|
|
|
if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
|
2011-03-30 00:43:16 +02:00
|
|
|
SERVICE(service)->sysv_start_priority_from_rcnd =
|
|
|
|
MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd);
|
2010-04-24 04:26:33 +02:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
SERVICE(service)->sysv_enabled = true;
|
2010-09-03 04:08:16 +02:00
|
|
|
}
|
2010-04-24 04:26:33 +02:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
|
|
|
|
goto finish;
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
if ((r = set_put(runlevel_services[i], service)) < 0)
|
2010-02-14 01:09:01 +01:00
|
|
|
goto finish;
|
2010-04-06 02:43:58 +02:00
|
|
|
|
2010-06-07 02:42:01 +02:00
|
|
|
} else if (de->d_name[0] == 'K' &&
|
|
|
|
(rcnd_table[i].type == RUNLEVEL_DOWN ||
|
|
|
|
rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
|
2010-04-23 05:22:20 +02:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
|
|
|
|
goto finish;
|
|
|
|
|
|
|
|
if ((r = set_put(shutdown_services, service)) < 0)
|
2010-02-14 01:09:01 +01:00
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
/* Now we loaded all stubs and are aware of the lowest
|
|
|
|
start-up priority for all services, not let's actually load
|
|
|
|
the services, this will also tell us which services are
|
|
|
|
actually native now */
|
|
|
|
manager_dispatch_load_queue(m);
|
|
|
|
|
|
|
|
/* If this is a native service, rely on native ways to pull in
|
|
|
|
* a service, don't pull it in via sysv rcN.d links. */
|
|
|
|
for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
|
|
|
|
SET_FOREACH(service, runlevel_services[i], j) {
|
|
|
|
service = unit_follow_merge(service);
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
if (service->fragment_path)
|
2010-09-03 03:56:05 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* We honour K links only for halt/reboot. For the normal
|
|
|
|
* runlevels we assume the stop jobs will be implicitly added
|
2011-02-21 15:32:17 +01:00
|
|
|
* by the core logic. Also, we don't really distinguish here
|
2010-09-03 03:56:05 +02:00
|
|
|
* between the runlevels 0 and 6 and just add them to the
|
|
|
|
* special shutdown target. On SUSE the boot.d/ runlevel is
|
|
|
|
* also used for shutdown, so we add links for that too to the
|
|
|
|
* shutdown target.*/
|
|
|
|
SET_FOREACH(service, shutdown_services, j) {
|
|
|
|
service = unit_follow_merge(service);
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
if (service->fragment_path)
|
2010-09-03 03:56:05 +02:00
|
|
|
continue;
|
|
|
|
|
2010-10-29 01:15:18 +02:00
|
|
|
if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
|
2010-09-03 03:56:05 +02:00
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
r = 0;
|
|
|
|
|
2011-06-29 13:59:34 +02:00
|
|
|
#ifdef TARGET_SUSE
|
2011-12-03 02:13:30 +01:00
|
|
|
sysv_facility_in_insserv_conf (m);
|
2011-06-29 13:59:34 +02:00
|
|
|
#endif
|
|
|
|
|
2010-02-14 01:09:01 +01:00
|
|
|
finish:
|
|
|
|
free(path);
|
|
|
|
free(fpath);
|
|
|
|
free(name);
|
2010-05-13 22:24:22 +02:00
|
|
|
|
2010-09-03 03:56:05 +02:00
|
|
|
for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
|
|
|
|
set_free(runlevel_services[i]);
|
|
|
|
set_free(shutdown_services);
|
|
|
|
|
2010-05-13 22:24:22 +02:00
|
|
|
if (d)
|
|
|
|
closedir(d);
|
2010-02-14 01:09:01 +01:00
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
static void service_bus_name_owner_change(
|
|
|
|
Unit *u,
|
|
|
|
const char *name,
|
|
|
|
const char *old_owner,
|
|
|
|
const char *new_owner) {
|
|
|
|
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(name);
|
|
|
|
|
|
|
|
assert(streq(s->bus_name, name));
|
|
|
|
assert(old_owner || new_owner);
|
|
|
|
|
|
|
|
if (old_owner && new_owner)
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
|
2010-04-15 23:16:16 +02:00
|
|
|
else if (old_owner)
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
|
2010-04-15 23:16:16 +02:00
|
|
|
else
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
|
2010-04-15 23:16:16 +02:00
|
|
|
|
|
|
|
s->bus_name_good = !!new_owner;
|
|
|
|
|
|
|
|
if (s->type == SERVICE_DBUS) {
|
|
|
|
|
|
|
|
/* service_enter_running() will figure out what to
|
|
|
|
* do */
|
|
|
|
if (s->state == SERVICE_RUNNING)
|
2012-02-03 02:01:35 +01:00
|
|
|
service_enter_running(s, SERVICE_SUCCESS);
|
2010-04-15 23:16:16 +02:00
|
|
|
else if (s->state == SERVICE_START && new_owner)
|
|
|
|
service_enter_start_post(s);
|
|
|
|
|
|
|
|
} else if (new_owner &&
|
|
|
|
s->main_pid <= 0 &&
|
|
|
|
(s->state == SERVICE_START ||
|
|
|
|
s->state == SERVICE_START_POST ||
|
|
|
|
s->state == SERVICE_RUNNING ||
|
|
|
|
s->state == SERVICE_RELOAD)) {
|
|
|
|
|
|
|
|
/* Try to acquire PID from bus service */
|
|
|
|
log_debug("Trying to acquire PID from D-Bus name...");
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
bus_query_pid(u->manager, name);
|
2010-04-15 23:16:16 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void service_bus_query_pid_done(
|
|
|
|
Unit *u,
|
|
|
|
const char *name,
|
|
|
|
pid_t pid) {
|
|
|
|
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
assert(name);
|
|
|
|
|
2012-01-15 12:04:08 +01:00
|
|
|
log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
|
2010-04-15 23:16:16 +02:00
|
|
|
|
|
|
|
if (s->main_pid <= 0 &&
|
|
|
|
(s->state == SERVICE_START ||
|
|
|
|
s->state == SERVICE_START_POST ||
|
|
|
|
s->state == SERVICE_RUNNING ||
|
|
|
|
s->state == SERVICE_RELOAD))
|
2010-06-17 22:55:53 +02:00
|
|
|
service_set_main_pid(s, pid);
|
2010-04-15 23:16:16 +02:00
|
|
|
}
|
|
|
|
|
2010-06-19 04:25:28 +02:00
|
|
|
int service_set_socket_fd(Service *s, int fd, Socket *sock) {
|
2012-01-06 23:08:54 +01:00
|
|
|
|
2010-04-15 06:19:54 +02:00
|
|
|
assert(s);
|
|
|
|
assert(fd >= 0);
|
|
|
|
|
|
|
|
/* This is called by the socket code when instantiating a new
|
|
|
|
* service for a stream socket and the socket needs to be
|
|
|
|
* configured. */
|
|
|
|
|
2012-01-15 12:25:20 +01:00
|
|
|
if (UNIT(s)->load_state != UNIT_LOADED)
|
2010-04-15 06:19:54 +02:00
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (s->socket_fd >= 0)
|
|
|
|
return -EBUSY;
|
|
|
|
|
|
|
|
if (s->state != SERVICE_DEAD)
|
|
|
|
return -EAGAIN;
|
|
|
|
|
|
|
|
s->socket_fd = fd;
|
2010-04-21 06:01:13 +02:00
|
|
|
s->got_socket_fd = true;
|
2010-06-19 04:25:28 +02:00
|
|
|
|
2012-01-06 23:08:54 +01:00
|
|
|
unit_ref_set(&s->accept_socket, UNIT(sock));
|
|
|
|
|
|
|
|
return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false);
|
2010-04-15 06:19:54 +02:00
|
|
|
}
|
|
|
|
|
2010-08-31 00:23:34 +02:00
|
|
|
static void service_reset_failed(Unit *u) {
|
2010-07-18 04:58:01 +02:00
|
|
|
Service *s = SERVICE(u);
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
2010-08-31 00:23:34 +02:00
|
|
|
if (s->state == SERVICE_FAILED)
|
2010-07-18 04:58:01 +02:00
|
|
|
service_set_state(s, SERVICE_DEAD);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
s->result = SERVICE_SUCCESS;
|
|
|
|
s->reload_result = SERVICE_SUCCESS;
|
2010-07-18 04:58:01 +02:00
|
|
|
}
|
|
|
|
|
2010-10-22 16:11:50 +02:00
|
|
|
static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
|
|
|
|
Service *s = SERVICE(u);
|
|
|
|
int r = 0;
|
|
|
|
Set *pid_set = NULL;
|
|
|
|
|
|
|
|
assert(s);
|
|
|
|
|
|
|
|
if (s->main_pid <= 0 && who == KILL_MAIN) {
|
|
|
|
dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill");
|
2011-07-13 19:57:36 +02:00
|
|
|
return -ESRCH;
|
2010-10-22 16:11:50 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (s->control_pid <= 0 && who == KILL_CONTROL) {
|
|
|
|
dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
|
2011-07-13 19:57:36 +02:00
|
|
|
return -ESRCH;
|
2010-10-22 16:11:50 +02:00
|
|
|
}
|
|
|
|
|
2011-07-12 04:05:33 +02:00
|
|
|
if (who == KILL_CONTROL || who == KILL_ALL)
|
|
|
|
if (s->control_pid > 0)
|
|
|
|
if (kill(s->control_pid, signo) < 0)
|
|
|
|
r = -errno;
|
2010-10-22 16:11:50 +02:00
|
|
|
|
2011-07-12 04:05:33 +02:00
|
|
|
if (who == KILL_MAIN || who == KILL_ALL)
|
|
|
|
if (s->main_pid > 0)
|
|
|
|
if (kill(s->main_pid, signo) < 0)
|
|
|
|
r = -errno;
|
2010-10-22 16:11:50 +02:00
|
|
|
|
2011-07-12 04:05:33 +02:00
|
|
|
if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
|
2010-10-22 16:11:50 +02:00
|
|
|
int q;
|
|
|
|
|
|
|
|
if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
/* Exclude the control/main pid from being killed via the cgroup */
|
|
|
|
if (s->control_pid > 0)
|
|
|
|
if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
|
|
|
|
r = q;
|
|
|
|
goto finish;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->main_pid > 0)
|
|
|
|
if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) {
|
|
|
|
r = q;
|
|
|
|
goto finish;
|
|
|
|
}
|
2012-05-03 21:54:44 +02:00
|
|
|
q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL);
|
2012-04-13 23:24:47 +02:00
|
|
|
if (q < 0)
|
2011-07-12 04:05:33 +02:00
|
|
|
if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
|
2010-10-22 16:11:50 +02:00
|
|
|
r = q;
|
|
|
|
}
|
|
|
|
|
|
|
|
finish:
|
|
|
|
if (pid_set)
|
|
|
|
set_free(pid_set);
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2010-01-30 01:55:42 +01:00
|
|
|
static const char* const service_state_table[_SERVICE_STATE_MAX] = {
|
|
|
|
[SERVICE_DEAD] = "dead",
|
|
|
|
[SERVICE_START_PRE] = "start-pre",
|
|
|
|
[SERVICE_START] = "start",
|
|
|
|
[SERVICE_START_POST] = "start-post",
|
|
|
|
[SERVICE_RUNNING] = "running",
|
2010-04-13 02:06:27 +02:00
|
|
|
[SERVICE_EXITED] = "exited",
|
2010-01-30 01:55:42 +01:00
|
|
|
[SERVICE_RELOAD] = "reload",
|
|
|
|
[SERVICE_STOP] = "stop",
|
|
|
|
[SERVICE_STOP_SIGTERM] = "stop-sigterm",
|
|
|
|
[SERVICE_STOP_SIGKILL] = "stop-sigkill",
|
|
|
|
[SERVICE_STOP_POST] = "stop-post",
|
|
|
|
[SERVICE_FINAL_SIGTERM] = "final-sigterm",
|
|
|
|
[SERVICE_FINAL_SIGKILL] = "final-sigkill",
|
2010-08-31 00:23:34 +02:00
|
|
|
[SERVICE_FAILED] = "failed",
|
2010-01-30 01:55:42 +01:00
|
|
|
[SERVICE_AUTO_RESTART] = "auto-restart",
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
|
|
|
|
|
|
|
|
static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
|
2010-10-05 20:30:44 +02:00
|
|
|
[SERVICE_RESTART_NO] = "no",
|
|
|
|
[SERVICE_RESTART_ON_SUCCESS] = "on-success",
|
2010-10-08 18:34:54 +02:00
|
|
|
[SERVICE_RESTART_ON_FAILURE] = "on-failure",
|
|
|
|
[SERVICE_RESTART_ON_ABORT] = "on-abort",
|
|
|
|
[SERVICE_RESTART_ALWAYS] = "always"
|
2010-01-30 01:55:42 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
|
|
|
|
|
|
|
|
static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
|
|
|
|
[SERVICE_SIMPLE] = "simple",
|
2010-07-01 19:39:35 +02:00
|
|
|
[SERVICE_FORKING] = "forking",
|
2010-08-13 18:23:01 +02:00
|
|
|
[SERVICE_ONESHOT] = "oneshot",
|
2010-06-16 05:10:31 +02:00
|
|
|
[SERVICE_DBUS] = "dbus",
|
2012-04-24 14:28:00 +02:00
|
|
|
[SERVICE_NOTIFY] = "notify",
|
|
|
|
[SERVICE_IDLE] = "idle"
|
2010-01-30 01:55:42 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
|
|
|
|
|
2010-04-10 17:53:17 +02:00
|
|
|
static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
|
2010-01-30 01:55:42 +01:00
|
|
|
[SERVICE_EXEC_START_PRE] = "ExecStartPre",
|
|
|
|
[SERVICE_EXEC_START] = "ExecStart",
|
|
|
|
[SERVICE_EXEC_START_POST] = "ExecStartPost",
|
|
|
|
[SERVICE_EXEC_RELOAD] = "ExecReload",
|
|
|
|
[SERVICE_EXEC_STOP] = "ExecStop",
|
|
|
|
[SERVICE_EXEC_STOP_POST] = "ExecStopPost",
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
|
|
|
|
|
2010-06-18 23:12:48 +02:00
|
|
|
static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
|
|
|
|
[NOTIFY_NONE] = "none",
|
|
|
|
[NOTIFY_MAIN] = "main",
|
|
|
|
[NOTIFY_ALL] = "all"
|
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
|
|
|
|
|
2012-02-03 02:01:35 +01:00
|
|
|
static const char* const service_result_table[_SERVICE_RESULT_MAX] = {
|
|
|
|
[SERVICE_SUCCESS] = "success",
|
|
|
|
[SERVICE_FAILURE_RESOURCES] = "resources",
|
|
|
|
[SERVICE_FAILURE_TIMEOUT] = "timeout",
|
|
|
|
[SERVICE_FAILURE_EXIT_CODE] = "exit-code",
|
|
|
|
[SERVICE_FAILURE_SIGNAL] = "signal",
|
2012-02-08 10:10:34 +01:00
|
|
|
[SERVICE_FAILURE_CORE_DUMP] = "core-dump",
|
|
|
|
[SERVICE_FAILURE_WATCHDOG] = "watchdog"
|
2012-02-03 02:01:35 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
|
|
|
|
|
2012-02-09 13:05:23 +01:00
|
|
|
static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = {
|
|
|
|
[SERVICE_START_LIMIT_NONE] = "none",
|
|
|
|
[SERVICE_START_LIMIT_REBOOT] = "reboot",
|
|
|
|
[SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force",
|
|
|
|
[SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate"
|
|
|
|
};
|
|
|
|
DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction);
|
|
|
|
|
2010-01-26 21:39:06 +01:00
|
|
|
const UnitVTable service_vtable = {
|
2010-01-23 01:52:57 +01:00
|
|
|
.suffix = ".service",
|
2012-01-15 10:53:49 +01:00
|
|
|
.object_size = sizeof(Service),
|
2011-08-01 00:43:05 +02:00
|
|
|
.sections =
|
|
|
|
"Unit\0"
|
|
|
|
"Service\0"
|
|
|
|
"Install\0",
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
.init = service_init,
|
|
|
|
.done = service_done,
|
2010-04-21 03:27:44 +02:00
|
|
|
.load = service_load,
|
|
|
|
|
|
|
|
.coldplug = service_coldplug,
|
2010-01-26 04:18:44 +01:00
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
.dump = service_dump,
|
|
|
|
|
|
|
|
.start = service_start,
|
|
|
|
.stop = service_stop,
|
|
|
|
.reload = service_reload,
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
.can_reload = service_can_reload,
|
|
|
|
|
2010-10-22 16:11:50 +02:00
|
|
|
.kill = service_kill,
|
|
|
|
|
2010-04-21 03:27:44 +02:00
|
|
|
.serialize = service_serialize,
|
|
|
|
.deserialize_item = service_deserialize_item,
|
|
|
|
|
2010-01-23 01:52:57 +01:00
|
|
|
.active_state = service_active_state,
|
2010-04-13 20:59:01 +02:00
|
|
|
.sub_state_to_string = service_sub_state_to_string,
|
2010-01-23 01:52:57 +01:00
|
|
|
|
2010-04-21 06:01:13 +02:00
|
|
|
.check_gc = service_check_gc,
|
|
|
|
.check_snapshot = service_check_snapshot,
|
|
|
|
|
2010-01-26 04:18:44 +01:00
|
|
|
.sigchld_event = service_sigchld_event,
|
|
|
|
.timer_event = service_timer_event,
|
2011-12-03 02:13:30 +01:00
|
|
|
.fd_event = service_fd_event,
|
2010-02-14 01:09:01 +01:00
|
|
|
|
2010-08-31 00:23:34 +02:00
|
|
|
.reset_failed = service_reset_failed,
|
2010-07-18 04:58:01 +02:00
|
|
|
|
2010-03-31 16:29:55 +02:00
|
|
|
.cgroup_notify_empty = service_cgroup_notify_event,
|
2010-06-16 05:10:31 +02:00
|
|
|
.notify_message = service_notify_message,
|
2010-03-31 16:29:55 +02:00
|
|
|
|
2010-04-15 23:16:16 +02:00
|
|
|
.bus_name_owner_change = service_bus_name_owner_change,
|
|
|
|
.bus_query_pid_done = service_bus_query_pid_done,
|
|
|
|
|
2010-08-20 02:26:05 +02:00
|
|
|
.bus_interface = "org.freedesktop.systemd1.Service",
|
2010-04-18 03:08:16 +02:00
|
|
|
.bus_message_handler = bus_service_message_handler,
|
2010-08-20 02:26:05 +02:00
|
|
|
.bus_invalidating_properties = bus_service_invalidating_properties,
|
2010-04-18 03:08:16 +02:00
|
|
|
|
2010-09-21 05:23:12 +02:00
|
|
|
#ifdef HAVE_SYSV_COMPAT
|
2012-05-13 18:18:54 +02:00
|
|
|
.enumerate = service_enumerate,
|
2010-09-21 05:23:12 +02:00
|
|
|
#endif
|
2012-05-13 18:18:54 +02:00
|
|
|
.status_message_formats = {
|
|
|
|
.starting_stopping = {
|
|
|
|
[0] = "Starting %s...",
|
|
|
|
[1] = "Stopping %s...",
|
|
|
|
},
|
|
|
|
.finished_start_job = {
|
|
|
|
[JOB_DONE] = "Started %s.",
|
|
|
|
[JOB_FAILED] = "Failed to start %s.",
|
|
|
|
[JOB_DEPENDENCY] = "Dependency failed for %s.",
|
|
|
|
[JOB_TIMEOUT] = "Timed out starting %s.",
|
|
|
|
},
|
|
|
|
.finished_stop_job = {
|
|
|
|
[JOB_DONE] = "Stopped %s.",
|
|
|
|
[JOB_FAILED] = "Stopped (with error) %s.",
|
|
|
|
[JOB_TIMEOUT] = "Timed out stopping %s.",
|
|
|
|
},
|
|
|
|
},
|
2010-01-23 01:52:57 +01:00
|
|
|
};
|