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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>Process killing procedure
- 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>,
- <filename><replaceable>scope</replaceable>.scope</filename></para>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Description</title>
-
- <para>Unit configuration files for services, sockets,
- mount points, swap devices and scopes share a subset
- of configuration options which define the
- killing procedure of processes belonging to the unit.</para>
-
- <para>This man page lists the configuration options
- shared by these five unit types. See
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for the common options shared by 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>,
- <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- and
- <citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for more information on the configuration file options
- specific to each unit type.</para>
-
- <para>The kill procedure
- 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 unit shall be
- killed. One of
- <option>control-group</option>,
- <option>process</option>,
- <option>mixed</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 killed 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>mixed</option>, the
- <constant>SIGTERM</constant> signal
- (see below) is sent to the main
- process while the subsequent
- <constant>SIGKILL</constant> signal
- (see below) is sent to all remaining
- processes of the unit's control
- group. 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.</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>
-
- <para>Defaults to
- <option>control-group</option>.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>KillSignal=</varname></term>
- <listitem><para>Specifies which signal
- to use when killing a service. This
- controls the signal that is sent as
- first step of shutting down a unit
- (see above), and is usually followed
- by <constant>SIGKILL</constant> (see
- above and below). For a list of valid
- signals, see
- <citerefentry><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>. 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>1</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>,
- <citerefentry><refentrytitle>kill</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>
- </para>
- </refsect1>
+ <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>Process killing procedure
+ 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>,
+ <filename><replaceable>scope</replaceable>.scope</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>Unit configuration files for services, sockets, mount
+ points, swap devices and scopes share a subset of configuration
+ options which define the killing procedure of processes belonging
+ to the unit.</para>
+
+ <para>This man page lists the configuration options shared by
+ these five unit types. See
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for the common options shared by 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>,
+ <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ and
+ <citerefentry><refentrytitle>systemd.scope</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for more information on the configuration file options specific to
+ each unit type.</para>
+
+ <para>The kill procedure 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 unit shall be
+ killed. One of
+ <option>control-group</option>,
+ <option>process</option>,
+ <option>mixed</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 killed 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>mixed</option>, the
+ <constant>SIGTERM</constant> signal (see below) is sent to the
+ main process while the subsequent <constant>SIGKILL</constant>
+ signal (see below) is sent to all remaining processes of the
+ unit's control group. 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.</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>
+
+ <para>Defaults to
+ <option>control-group</option>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>KillSignal=</varname></term>
+ <listitem><para>Specifies which signal to use when killing a
+ service. This controls the signal that is sent as first step
+ of shutting down a unit (see above), and is usually followed
+ by <constant>SIGKILL</constant> (see above and below). For a
+ list of valid signals, see
+ <citerefentry><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
+ 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>1</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>,
+ <citerefentry><refentrytitle>kill</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ </para>
+ </refsect1>
</refentry>
~ianmdlvl / elogind.git / blobdiff