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systemd/man/systemd.kill.xml
Jan Engelhardt d6ee7fa24f man: wording and grammar updates
This includes regularly-submitted corrections to comma setting and
orthographical mishaps that appeared in man/ in recent commits.
2013-08-04 21:46:27 -04:00

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<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<refentry id="systemd.kill">
<refentryinfo>
<title>systemd.kill</title>
<productname>systemd</productname>
<authorgroup>
<author>
<contrib>Developer</contrib>
<firstname>Lennart</firstname>
<surname>Poettering</surname>
<email>lennart@poettering.net</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>systemd.kill</refentrytitle>
<manvolnum>5</manvolnum>
</refmeta>
<refnamediv>
<refname>systemd.kill</refname>
<refpurpose>Kill environment configuration</refpurpose>
</refnamediv>
<refsynopsisdiv>
<para><filename><replaceable>service</replaceable>.service</filename>,
<filename><replaceable>socket</replaceable>.socket</filename>,
<filename><replaceable>mount</replaceable>.mount</filename>,
<filename><replaceable>swap</replaceable>.swap</filename></para>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>Unit configuration files for services, sockets,
mount points and swap devices share a subset of
configuration options which define the process killing
parameters of spawned processes.</para>
<para>This man page lists the configuration options
shared by these four unit types. See
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for the common options of all unit configuration
files, and
<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>
and
<citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for more information on the specific unit
configuration files. The execution specific
configuration options are configured in the [Service],
[Socket], [Mount], or [Swap] section, depending on the unit
type.</para>
</refsect1>
<refsect1>
<title>Options</title>
<variablelist class='unit-directives'>
<varlistentry>
<term><varname>KillMode=</varname></term>
<listitem><para>Specifies how
processes of this service shall be
killed. One of
<option>control-group</option>,
<option>process</option>,
<option>none</option>.</para>
<para>If set to
<option>control-group</option> all
remaining processes in the control
group of this unit will be terminated
on unit stop (for services: after the
stop command is executed, as
configured with
<varname>ExecStop=</varname>). If set
to <option>process</option> only the
main process itself is killed. If set
to <option>none</option> no process is
killed. In this case only the stop
command will be executed on unit
stop, but no process be killed
otherwise. Processes remaining alive
after stop are left in their control
group and the control group continues
to exist after stop unless it is
empty. Defaults to
<option>control-group</option>.</para>
<para>Processes will first be
terminated via
<constant>SIGTERM</constant> (unless
the signal to send is changed via
<varname>KillSignal=</varname>). Optionally,
this is immediately followed by a
<constant>SIGHUP</constant> (if
enabled with
<varname>SendSIGHUP=</varname>). If
then, after a delay (configured via the
<varname>TimeoutStopSec=</varname> option),
processes still remain, the
termination request is repeated with
the <constant>SIGKILL</constant>
signal (unless this is disabled via
the <varname>SendSIGKILL=</varname>
option). See
<citerefentry><refentrytitle>kill</refentrytitle><manvolnum>2</manvolnum></citerefentry>
for more
information.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>KillSignal=</varname></term>
<listitem><para>Specifies which signal
to use when killing a
service. Defaults to <constant>SIGTERM</constant>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>SendSIGHUP=</varname></term>
<listitem><para>Specifies whether to
send <constant>SIGHUP</constant> to
remaining processes immediately after
sending the signal configured with
<varname>KillSignal=</varname>. This
is useful to indicate to shells and
shell-like programs that their
connection has been severed. Takes a
boolean value. Defaults to "no".
</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>SendSIGKILL=</varname></term>
<listitem><para>Specifies whether to
send <constant>SIGKILL</constant> to remaining processes
after a timeout, if the normal
shutdown procedure left processes of
the service around. Takes a boolean
value. Defaults to "yes".
</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>