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man: clarify that DefaultDependencies= is in the [Unit] section

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This hopefully reduces confusion resulting in issues like #2992.
This commit is contained in:
Lennart Poettering
2016-04-12 13:43:33 +02:00
parent d2120590ff
commit cc4e4df49f
9 changed files with 55 additions and 94 deletions
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man/systemd.timer.xml
+9 -15
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@@ -81,21 +81,15 @@
<para>Timer units automatically gain a <varname>Before=</varname>
dependency on the service they are supposed to activate.</para>
<para>Unless <varname>DefaultDependencies=</varname> is set to
<option>false</option>, all timer units will implicitly have
dependencies of type <varname>Requires=</varname> and
<varname>After=</varname> on <filename>sysinit.target</filename>,
a dependency of type <varname>Before=</varname> on
<filename>timers.target</filename>, as well as
<varname>Conflicts=</varname> and <varname>Before=</varname> on
<filename>shutdown.target</filename> to ensure that they are
stopped cleanly prior to system shutdown. Timer units with at
least one <varname>OnCalendar=</varname> directive will have an
additional <varname>After=</varname> dependency on
<filename>timer-sync.target</filename> to avoid being started
before the system clock has been correctly set. Only timer units
involved with early boot or late system shutdown should disable
the <varname>DefaultDependencies=</varname> option.</para>
<para>Unless <varname>DefaultDependencies=</varname> in the <literal>[Unit]</literal> section is set to
<option>false</option>, all timer units will implicitly have dependencies of type <varname>Requires=</varname> and
<varname>After=</varname> on <filename>sysinit.target</filename>, a dependency of type <varname>Before=</varname>
on <filename>timers.target</filename>, as well as <varname>Conflicts=</varname> and <varname>Before=</varname> on
<filename>shutdown.target</filename> to ensure that they are stopped cleanly prior to system shutdown. Timer units
with at least one <varname>OnCalendar=</varname> directive will have an additional <varname>After=</varname>
dependency on <filename>timer-sync.target</filename> to avoid being started before the system clock has been
correctly set. Only timer units involved with early boot or late system shutdown should disable the
<varname>DefaultDependencies=</varname> option.</para>
</refsect1>
<refsect1>