X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-suspend.service.xml;h=4abc2781912b534ed64caf0a3267fdf5c9d33f3d;hp=604aab6f6b54d3116a14a7bfc7b171f0f8c7f7fb;hb=3fde5f30bda2a70d97f3dc8fa918e42e1c07cc2c;hpb=bb31a4ac1997c189a344caf554f34c6aabc71aa7 diff --git a/man/systemd-suspend.service.xml b/man/systemd-suspend.service.xml index 604aab6f6..4abc27819 100644 --- a/man/systemd-suspend.service.xml +++ b/man/systemd-suspend.service.xml @@ -6,6 +6,7 @@ This file is part of systemd. Copyright 2012 Lennart Poettering + Copyright 2013 Zbigniew Jędrzejewski-Szmek 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 @@ -45,6 +46,7 @@ systemd-suspend.service systemd-hibernate.service + systemd-hybrid-sleep.service systemd-sleep System sleep state logic @@ -52,6 +54,7 @@ systemd-suspend.service systemd-hibernate.service + systemd-hybrid-sleep.service /usr/lib/systemd/systemd-sleep @@ -61,46 +64,96 @@ systemd-suspend.service is a system service that is pulled in by suspend.target and is responsible - for the actual system suspend. Similar, + for the actual system suspend. Similarly, systemd-hibernate.service is pulled in by hibernate.target to - execute the actual hibernation. - - Immediately before entering system suspend and - hibernation - systemd-suspend.service will run - all executables in + execute the actual hibernation. Finally, + systemd-hybrid-sleep.service is + pulled in by hybrid-sleep.target + to execute hybrid hibernation with system + suspend. + + Immediately before entering system suspend + and/or hibernation + systemd-suspend.service (and the + other mentioned units, respectively) will run all + executables in /usr/lib/systemd/system-sleep/ and pass two arguments to them. The first argument - will be "pre", the second either - "suspend" or - "hibernate", depending on the + will be pre, the second either + suspend, + hibernate, or + hybrid-sleep depending on the chosen action. Immediately after leaving system - suspend and hibernation the same executables are run, + suspend and/or hibernation the same executables are run, but the first argument is now - "post". All executables in this + post. All executables in this directory are executed in parallel, and execution of - the action is not continued before all executables - finished. + the action is not continued until all executables + have finished. Note that scripts or binaries dropped in /usr/lib/systemd/system-sleep/ are intended for local use only and should be considered hacks. If applications want to be notified - of system suspend and resume there are much nicer - interfaces available. + of system suspend/hibernation and resume, there are + much nicer interfaces available. Note that - systemd-suspend.service and - systemd-hibernate.service should - never be executed directly. Instead, trigger system - sleep states with a command such as "systemctl - suspend" or suchlike. + systemd-suspend.service, + systemd-hibernate.service, and + systemd-hybrid-sleep.service + should never be executed directly. Instead, trigger + system sleep states with a command such as + systemctl suspend or + similar. + + Internally, this service will echo a string like + mem into + /sys/power/state, to trigger the + actual system suspend. What exactly is written + where can be configured in the [Sleep] + section of /etc/systemd/sleep.conf. + See systemd-sleep.conf5. + + + + + Options + + systemd-sleep understands the + following commands: + + + + + + + Print a short help + text and exit. + + + + + Print the systemd version + identifier and exit. + + + + + + + Suspend, hibernate, or + put the system to hybrid sleep. + + + See Also + systemd-sleep.conf5, systemd1, systemctl1, systemd.special7,