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man: document that there's a second phase of shutdown in bootup(7)

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Lennart Poettering 2018-03-21 20:57:06 +01:00
parent 37cbc1d579
commit e799056e15
2 changed files with 15 additions and 3 deletions
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15
man/bootup.xml
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@ -298,8 +298,18 @@ systemd-reboot.service systemd-poweroff.service systemd-halt.service syste
v v v v
<emphasis>reboot.target</emphasis> <emphasis>poweroff.target</emphasis> <emphasis>halt.target</emphasis> <emphasis>kexec.target</emphasis></programlisting>
<para>Commonly used system shutdown targets are
<emphasis>emphasized</emphasis>.</para>
<para>Commonly used system shutdown targets are <emphasis>emphasized</emphasis>.</para>
<para>Note that
<citerefentry>system<refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<filename>systemd-reboot.service</filename>, <filename>systemd-poweroff.service</filename> and
<filename>systemd-kexec.service</filename> will transition the system and server manager (PID 1) into the second
phase of system shutdown (implemented in the <filename>systemd-shutdown</filename> binary), which will unmount any
remaining file systems, kill any remaining processes and release any other remaining resources, in a simple and
robust fashion, without taking any service or unit concept into account anymore. At that point, regular
applications and resources are generally terminated and released already, the second phase hence operates only as
safety net for everything that couldn't be stopped or released for some reason during the primary, unit-based
shutdown phase described above.</para>
</refsect1>
<refsect1>
@ -309,6 +319,7 @@ systemd-reboot.service systemd-poweroff.service systemd-halt.service syste
<citerefentry project='man-pages'><refentrytitle>boot</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-halt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry project='die-net'><refentrytitle>dracut</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>

3
man/systemd-halt.service.xml
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@ -114,7 +114,8 @@
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>reboot</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
<citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>bootup</refentrytitle><manvolnum>7</manvolnum></citerefentry>
</para>
</refsect1>