diff options
Diffstat (limited to 'man/systemd-poweroff.service.xml')
| -rw-r--r-- | man/systemd-poweroff.service.xml | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/man/systemd-poweroff.service.xml b/man/systemd-poweroff.service.xml index ec7ffdeb0d..c55260d380 100644 --- a/man/systemd-poweroff.service.xml +++ b/man/systemd-poweroff.service.xml @@ -44,7 +44,7 @@ <filename>kexec.target</filename> to execute the respective actions.</para> <para>When these services are run, they ensure that PID 1 is replaced by the - <filename>/usr/lib/systemd/systemd-shutdown</filename> tool which is then responsible for the actual + <filename>/usr/lib/systemd/systemd-shutdown</filename> binary which is then responsible for the actual shutdown. Before shutting down, this binary will try to unmount all remaining file systems (or at least remount them read-only), disable all remaining swap devices, detach all remaining storage devices and kill all remaining processes.</para> @@ -58,12 +58,12 @@ <filename>/usr/lib/systemd/system-shutdown/</filename> and pass one arguments to them: either <literal>poweroff</literal>, <literal>halt</literal>, <literal>reboot</literal>, or <literal>kexec</literal>, depending on the chosen action. All executables in this directory are executed - in parallel, and execution of the action is not continued before all executables finished. Note that - these executables are run <emphasis>after</emphasis> all services have been shut down, and after most - mounts have been unmounted (the root file system as well as <filename>/run/</filename> and various API - file systems are still around though). This means any programs dropped into this directory must be - prepared to run in such a limited execution environment and not rely on external services or hierarchies - such as <filename>/var/</filename> to be around (or writable).</para> + in parallel, and execution of the action is not continued before all executables finished. (A safety + timeout of 90s is applied however.) Note that these executables are run <emphasis>after</emphasis> all + services have been shut down, and after most mounts have been unmounted (the root file system as well as + <filename>/run/</filename> and various API file systems are still around though). This means any programs + dropped into this directory must be prepared to run in such a limited execution environment and not rely + on external services or hierarchies such as <filename>/var/</filename> to be around (or writable).</para> <para>Note that <filename>systemd-poweroff.service</filename> (and the related units) should never be executed directly. Instead, trigger system shutdown with a command such as <literal>systemctl |