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sleep: implement suspend/hibernate as first class targets

This commit is contained in:
Lennart Poettering 2012-05-05 02:06:58 +02:00
parent 4943c1c94b
commit 6edd7d0a09
17 changed files with 243 additions and 11 deletions
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1
.gitignore vendored
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@ -1,3 +1,4 @@
/systemd-sleep
/systemd-inhibit
/systemd-remount-fs
/build-aux

18
Makefile.am
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@ -67,6 +67,7 @@ usergeneratordir=$(pkglibexecdir)/user-generators
pkgincludedir=$(includedir)/systemd
systemgeneratordir=$(rootlibexecdir)/system-generators
systemshutdowndir=$(rootlibexecdir)/system-shutdown
systemsleepdir=$(rootlibexecdir)/system-sleep
systemunitdir=$(rootprefix)/lib/systemd/system
udevlibexecdir=$(rootprefix)/lib/udev
udevhomedir = $(libexecdir)/udev
@ -117,6 +118,7 @@ AM_CPPFLAGS = \
-DSYSTEMD_CGROUP_AGENT_PATH=\"$(rootlibexecdir)/systemd-cgroups-agent\" \
-DSYSTEMD_BINARY_PATH=\"$(rootlibexecdir)/systemd\" \
-DSYSTEMD_SHUTDOWN_BINARY_PATH=\"$(rootlibexecdir)/systemd-shutdown\" \
-DSYSTEMD_SLEEP_BINARY_PATH=\"$(rootlibexecdir)/systemd-sleep\" \
-DSYSTEMCTL_BINARY_PATH=\"$(rootbindir)/systemctl\" \
-DSYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH=\"$(rootbindir)/systemd-tty-ask-password-agent\" \
-DSYSTEMD_STDIO_BRIDGE_BINARY_PATH=\"$(bindir)/systemd-stdio-bridge\" \
@ -230,7 +232,8 @@ rootlibexec_PROGRAMS = \
systemd-fsck \
systemd-timestamp \
systemd-ac-power \
systemd-sysctl
systemd-sysctl \
systemd-sleep
systemgenerator_PROGRAMS = \
systemd-getty-generator
@ -266,6 +269,7 @@ dist_systemunit_DATA = \
units/nss-lookup.target \
units/nss-user-lookup.target \
units/mail-transfer-agent.target \
units/hibernate.target \
units/http-daemon.target \
units/poweroff.target \
units/reboot.target \
@ -276,7 +280,9 @@ dist_systemunit_DATA = \
units/final.target \
units/umount.target \
units/sigpwr.target \
units/sleep.target \
units/sockets.target \
units/suspend.target \
units/swap.target \
units/systemd-initctl.socket \
units/systemd-shutdownd.socket \
@ -318,12 +324,14 @@ nodist_systemunit_DATA = \
units/systemd-sysctl.service \
units/halt.service \
units/emergency.service \
units/hibernate.service \
units/poweroff.service \
units/reboot.service \
units/kexec.service \
units/fsck@.service \
units/fsck-root.service \
units/rescue.service \
units/suspend.service \
units/user@.service \
units/systemd-udev.service \
units/systemd-udev-trigger.service \
@ -1062,6 +1070,13 @@ systemd_sysctl_SOURCES = \
systemd_sysctl_LDADD = \
libsystemd-shared.la
# ------------------------------------------------------------------------------
systemd_sleep_SOURCES = \
src/sleep/sleep.c
systemd_sleep_LDADD = \
libsystemd-shared.la
# ------------------------------------------------------------------------------
systemd_fsck_SOURCES = \
src/fsck/fsck.c
@ -3027,6 +3042,7 @@ systemd-install-data-hook:
$(DESTDIR)$(prefix)/lib/sysctl.d \
$(DESTDIR)$(sysconfdir)/sysctl.d \
$(DESTDIR)$(systemshutdowndir) \
$(DESTDIR)$(systemsleepdir) \
$(DESTDIR)$(systemgeneratordir) \
$(DESTDIR)$(usergeneratordir)
$(MKDIR_P) -m 0755 \

5
TODO
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@ -53,9 +53,6 @@ Features:
* ExecOnFailure=/usr/bin/foo
* logind: add "mode" flag to poweroff/suspend inhibit logic so that we can
support both "inhibit" and "delay" mode.
* fedora: make sshd and pam_loginuid work in nspawn containers
* fix utmp for console logins in containers
@ -72,8 +69,6 @@ Features:
* journald: allow forwarding of log data to specific TTY instea dof console
* suspend/hibernate/hybrid support, auto-suspend logic with idle hint
* add RequiredBy to [Install]
* udev: move to LGPL

10
man/systemctl.xml
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@ -1149,6 +1149,16 @@
<option>--user</option> option) and
will fail otherwise.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>suspend</command></term>
<listitem><para>Suspend the system.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>hibernate</command></term>
<listitem><para>Hibernate the system.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>

34
man/systemd.special.xml
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@ -58,6 +58,7 @@
<filename>exit.service</filename>,
<filename>final.service</filename>,
<filename>graphical.target</filename>,
<filename>hibernate.target</filename>,
<filename>http-daemon.target</filename>,
<filename>halt.target</filename>,
<filename>kbrequest.target</filename>,
@ -80,7 +81,9 @@
<filename>runlevel5.target</filename>,
<filename>shutdown.target</filename>,
<filename>sigpwr.target</filename>,
<filename>sleep.target</filename>,
<filename>sockets.target</filename>,
<filename>suspend.target</filename>,
<filename>swap.target</filename>,
<filename>sysinit.target</filename>,
<filename>syslog.service</filename>,
@ -239,6 +242,15 @@
during installation.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>hibernate.target</filename></term>
<listitem>
<para>A special target unit
for hibernating the
system. This pulls in
<filename>sleep.target</filename>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>http-daemon.target</filename></term>
<listitem>
@ -590,6 +602,19 @@
power fails.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>sleep.target</filename></term>
<listitem>
<para>A special target unit
that is pulled in by
<filename>suspend.target</filename>
and
<filename>hibernate.target</filename>
and may be used to hook units
into the sleep state
logic.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>sockets.target</filename></term>
<listitem>
@ -604,6 +629,15 @@
during installation.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>suspend.target</filename></term>
<listitem>
<para>A special target unit
for suspending the
system. This pulls in
<filename>sleep.target</filename>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>swap.target</filename></term>
<listitem>

6
src/core/shutdown.c
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@ -309,6 +309,7 @@ int main(int argc, char *argv[]) {
unsigned retries;
bool need_umount = true, need_swapoff = true, need_loop_detach = true, need_dm_detach = true;
bool killed_everbody = false, in_container, use_watchdog = false;
char *arguments[3];
log_parse_environment();
log_set_target(LOG_TARGET_CONSOLE); /* syslog will die if not gone yet */
@ -442,7 +443,10 @@ int main(int argc, char *argv[]) {
if (retries >= FINALIZE_ATTEMPTS)
log_error("Too many iterations, giving up.");
execute_directory(SYSTEM_SHUTDOWN_PATH, NULL, NULL);
arguments[0] = NULL;
arguments[1] = argv[1];
arguments[2] = NULL;
execute_directory(SYSTEM_SHUTDOWN_PATH, NULL, arguments);
/* If we are in a container, just exit, this will kill our
* container for good. */

2
src/core/special.h
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@ -36,6 +36,8 @@
#define SPECIAL_REBOOT_TARGET "reboot.target"
#define SPECIAL_KEXEC_TARGET "kexec.target"
#define SPECIAL_EXIT_TARGET "exit.target"
#define SPECIAL_SUSPEND_TARGET "suspend.target"
#define SPECIAL_HIBERNATE_TARGET "hibernate.target"
/* Special boot targets */
#define SPECIAL_RESCUE_TARGET "rescue.target"

3
src/shared/util.c
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@ -4106,8 +4106,7 @@ void execute_directory(const char *directory, DIR *d, char *argv[]) {
_argv[1] = NULL;
argv = _argv;
} else
if (!argv[0])
argv[0] = path;
argv[0] = path;
execv(path, argv);

1
src/sleep/Makefile Symbolic link
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@ -0,0 +1 @@
../Makefile

83
src/sleep/sleep.c Normal file
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@ -0,0 +1,83 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2012 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "log.h"
#include "util.h"
int main(int argc, char *argv[]) {
const char *verb;
char* arguments[4];
int r;
FILE *f;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
if (argc != 2) {
log_error("Invalid number of arguments.");
r = -EINVAL;
goto finish;
}
if (streq(argv[1], "suspend"))
verb = "mem";
else if (streq(argv[1], "hibernate"))
verb = "disk";
else {
log_error("Unknown action '%s'.", argv[1]);
r = -EINVAL;
goto finish;
}
f = fopen("/sys/power/state", "we");
if (!f) {
log_error("Failed to open /sys/power/state: %m");
r = -errno;
goto finish;
}
arguments[0] = NULL;
arguments[1] = (char*) "pre";
arguments[2] = argv[1];
arguments[3] = NULL;
execute_directory(SYSTEMD_SLEEP_BINARY_PATH, NULL, arguments);
fputs(verb, f);
fputc('\n', f);
fflush(f);
r = ferror(f) ? -errno : 0;
arguments[1] = (char*) "post";
execute_directory(SYSTEMD_SLEEP_BINARY_PATH, NULL, arguments);
fclose(f);
finish:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}

16
src/systemctl/systemctl.c
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@ -97,6 +97,8 @@ static enum action {
ACTION_REBOOT,
ACTION_KEXEC,
ACTION_EXIT,
ACTION_SUSPEND,
ACTION_HIBERNATE,
ACTION_RUNLEVEL2,
ACTION_RUNLEVEL3,
ACTION_RUNLEVEL4,
@ -1605,6 +1607,10 @@ static enum action verb_to_action(const char *verb) {
return ACTION_DEFAULT;
else if (streq(verb, "exit"))
return ACTION_EXIT;
else if (streq(verb, "suspend"))
return ACTION_SUSPEND;
else if (streq(verb, "hibernate"))
return ACTION_HIBERNATE;
else
return ACTION_INVALID;
}
@ -1623,7 +1629,9 @@ static int start_unit(DBusConnection *bus, char **args) {
[ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
[ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
[ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET,
[ACTION_EXIT] = SPECIAL_EXIT_TARGET
[ACTION_EXIT] = SPECIAL_EXIT_TARGET,
[ACTION_SUSPEND] = SPECIAL_SUSPEND_TARGET,
[ACTION_HIBERNATE] = SPECIAL_HIBERNATE_TARGET
};
int r, ret = 0;
@ -4201,7 +4209,9 @@ static int systemctl_help(void) {
" poweroff Shut down and power-off the system\n"
" reboot Shut down and reboot the system\n"
" kexec Shut down and reboot the system with kexec\n"
" exit Ask for user instance termination\n",
" exit Request user instance exit\n"
" suspend Suspend the system\n"
" hibernate Hibernate the system\n",
program_invocation_short_name);
return 0;
@ -5135,6 +5145,8 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
{ "poweroff", EQUAL, 1, start_special },
{ "reboot", EQUAL, 1, start_special },
{ "kexec", EQUAL, 1, start_special },
{ "suspend", EQUAL, 1, start_special },
{ "hibernate", EQUAL, 1, start_special },
{ "default", EQUAL, 1, start_special },
{ "rescue", EQUAL, 1, start_special },
{ "emergency", EQUAL, 1, start_special },

2
units/.gitignore vendored
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@ -1,3 +1,5 @@
/hibernate.service
/suspend.service
/console-getty.service
/systemd-journald.service
user@.service

16
units/hibernate.service.in Normal file
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@ -0,0 +1,16 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Hibernate
DefaultDependencies=no
Requires=sleep.target
After=sleep.target
[Service]
Type=oneshot
ExecStart=@rootlibexecdir@/systemd-sleep hibernate

14
units/hibernate.target Normal file
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@ -0,0 +1,14 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Hibernate
DefaultDependencies=no
BindTo=hibernate.service
After=hibernate.service

13
units/sleep.target Normal file
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@ -0,0 +1,13 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Sleep
DefaultDependencies=no
RefuseManualStart=yes

16
units/suspend.service.in Normal file
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@ -0,0 +1,16 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Suspend
DefaultDependencies=no
Requires=sleep.target
After=sleep.target
[Service]
Type=oneshot
ExecStart=@rootlibexecdir@/systemd-sleep suspend

14
units/suspend.target Normal file
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@ -0,0 +1,14 @@
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See systemd.special(7) for details
[Unit]
Description=Suspend
DefaultDependencies=no
BindTo=suspend.service
After=suspend.service