accdd018ed
We now treat passno as boleans in the generators, and don't need this any more. fsck itself is able to sequentialize checks on the same local media, so in the common case the ordering is redundant. It is still possible to force an order by using .d fragments, in case that is desired.
226 lines
7 KiB
C
226 lines
7 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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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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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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(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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef struct Service Service;
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#include "unit.h"
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#include "path.h"
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#include "ratelimit.h"
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#include "service.h"
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#include "kill.h"
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#include "exit-status.h"
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typedef enum ServiceState {
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SERVICE_DEAD,
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SERVICE_START_PRE,
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SERVICE_START,
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SERVICE_START_POST,
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SERVICE_RUNNING,
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SERVICE_EXITED, /* Nothing is running anymore, but RemainAfterExit is true hence this is OK */
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SERVICE_RELOAD,
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SERVICE_STOP, /* No STOP_PRE state, instead just register multiple STOP executables */
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SERVICE_STOP_SIGTERM,
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SERVICE_STOP_SIGKILL,
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SERVICE_STOP_POST,
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SERVICE_FINAL_SIGTERM, /* In case the STOP_POST executable hangs, we shoot that down, too */
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SERVICE_FINAL_SIGKILL,
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SERVICE_FAILED,
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SERVICE_AUTO_RESTART,
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_SERVICE_STATE_MAX,
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_SERVICE_STATE_INVALID = -1
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} ServiceState;
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typedef enum ServiceRestart {
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SERVICE_RESTART_NO,
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SERVICE_RESTART_ON_SUCCESS,
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SERVICE_RESTART_ON_FAILURE,
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SERVICE_RESTART_ON_WATCHDOG,
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SERVICE_RESTART_ON_ABORT,
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SERVICE_RESTART_ALWAYS,
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_SERVICE_RESTART_MAX,
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_SERVICE_RESTART_INVALID = -1
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} ServiceRestart;
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typedef enum ServiceType {
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SERVICE_SIMPLE, /* we fork and go on right-away (i.e. modern socket activated daemons) */
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SERVICE_FORKING, /* forks by itself (i.e. traditional daemons) */
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SERVICE_ONESHOT, /* we fork and wait until the program finishes (i.e. programs like fsck which run and need to finish before we continue) */
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SERVICE_DBUS, /* we fork and wait until a specific D-Bus name appears on the bus */
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SERVICE_NOTIFY, /* we fork and wait until a daemon sends us a ready message with sd_notify() */
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SERVICE_IDLE, /* much like simple, but delay exec() until all jobs are dispatched. */
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_SERVICE_TYPE_MAX,
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_SERVICE_TYPE_INVALID = -1
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} ServiceType;
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typedef enum ServiceExecCommand {
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SERVICE_EXEC_START_PRE,
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SERVICE_EXEC_START,
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SERVICE_EXEC_START_POST,
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SERVICE_EXEC_RELOAD,
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SERVICE_EXEC_STOP,
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SERVICE_EXEC_STOP_POST,
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_SERVICE_EXEC_COMMAND_MAX,
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_SERVICE_EXEC_COMMAND_INVALID = -1
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} ServiceExecCommand;
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typedef enum NotifyAccess {
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NOTIFY_NONE,
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NOTIFY_ALL,
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NOTIFY_MAIN,
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_NOTIFY_ACCESS_MAX,
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_NOTIFY_ACCESS_INVALID = -1
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} NotifyAccess;
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typedef enum ServiceResult {
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SERVICE_SUCCESS,
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SERVICE_FAILURE_RESOURCES,
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SERVICE_FAILURE_TIMEOUT,
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SERVICE_FAILURE_EXIT_CODE,
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SERVICE_FAILURE_SIGNAL,
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SERVICE_FAILURE_CORE_DUMP,
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SERVICE_FAILURE_WATCHDOG,
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SERVICE_FAILURE_START_LIMIT,
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_SERVICE_RESULT_MAX,
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_SERVICE_RESULT_INVALID = -1
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} ServiceResult;
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typedef enum StartLimitAction {
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SERVICE_START_LIMIT_NONE,
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SERVICE_START_LIMIT_REBOOT,
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SERVICE_START_LIMIT_REBOOT_FORCE,
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SERVICE_START_LIMIT_REBOOT_IMMEDIATE,
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_SERVICE_START_LIMIT_MAX,
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_SERVICE_START_LIMIT_INVALID = -1
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} StartLimitAction;
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struct Service {
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Unit meta;
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ServiceType type;
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ServiceRestart restart;
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ExitStatusSet restart_ignore_status;
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ExitStatusSet success_status;
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/* If set we'll read the main daemon PID from this file */
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char *pid_file;
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usec_t restart_usec;
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usec_t timeout_start_usec;
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usec_t timeout_stop_usec;
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dual_timestamp watchdog_timestamp;
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usec_t watchdog_usec;
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Watch watchdog_watch;
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ExecCommand* exec_command[_SERVICE_EXEC_COMMAND_MAX];
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ExecContext exec_context;
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KillContext kill_context;
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CGroupContext cgroup_context;
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ServiceState state, deserialized_state;
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/* The exit status of the real main process */
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ExecStatus main_exec_status;
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/* The currently executed control process */
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ExecCommand *control_command;
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/* The currently executed main process, which may be NULL if
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* the main process got started via forking mode and not by
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* us */
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ExecCommand *main_command;
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/* The ID of the control command currently being executed */
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ServiceExecCommand control_command_id;
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pid_t main_pid, control_pid;
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int socket_fd;
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bool permissions_start_only;
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bool root_directory_start_only;
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bool remain_after_exit;
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bool guess_main_pid;
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/* If we shut down, remember why */
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ServiceResult result;
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ServiceResult reload_result;
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bool main_pid_known:1;
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bool main_pid_alien:1;
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bool bus_name_good:1;
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bool forbid_restart:1;
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bool got_socket_fd:1;
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bool start_timeout_defined:1;
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#ifdef HAVE_SYSV_COMPAT
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bool is_sysv:1;
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bool sysv_has_lsb:1;
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bool sysv_enabled:1;
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int sysv_start_priority_from_rcnd;
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int sysv_start_priority;
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char *sysv_runlevels;
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#endif
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char *bus_name;
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char *status_text;
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RateLimit start_limit;
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StartLimitAction start_limit_action;
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UnitRef accept_socket;
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Watch timer_watch;
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PathSpec *pid_file_pathspec;
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NotifyAccess notify_access;
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};
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extern const UnitVTable service_vtable;
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struct Socket;
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int service_set_socket_fd(Service *s, int fd, struct Socket *socket);
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const char* service_state_to_string(ServiceState i) _const_;
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ServiceState service_state_from_string(const char *s) _pure_;
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const char* service_restart_to_string(ServiceRestart i) _const_;
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ServiceRestart service_restart_from_string(const char *s) _pure_;
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const char* service_type_to_string(ServiceType i) _const_;
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ServiceType service_type_from_string(const char *s) _pure_;
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const char* service_exec_command_to_string(ServiceExecCommand i) _const_;
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ServiceExecCommand service_exec_command_from_string(const char *s) _pure_;
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const char* notify_access_to_string(NotifyAccess i) _const_;
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NotifyAccess notify_access_from_string(const char *s) _pure_;
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const char* service_result_to_string(ServiceResult i) _const_;
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ServiceResult service_result_from_string(const char *s) _pure_;
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const char* start_limit_action_to_string(StartLimitAction i) _const_;
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StartLimitAction start_limit_action_from_string(const char *s) _pure_;
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