mirror of
https://github.com/systemd/systemd.git
synced 2024-12-22 17:35:35 +03:00
127 lines
5.0 KiB
XML
127 lines
5.0 KiB
XML
<?xml version='1.0'?>
|
|
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
|
|
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
|
|
|
|
<refentry id="sd_bus_set_exit_on_disconnect"
|
|
xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
|
|
<refentryinfo>
|
|
<title>sd_bus_set_exit_on_disconnect</title>
|
|
<productname>systemd</productname>
|
|
</refentryinfo>
|
|
|
|
<refmeta>
|
|
<refentrytitle>sd_bus_set_exit_on_disconnect</refentrytitle>
|
|
<manvolnum>3</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>sd_bus_set_exit_on_disconnect</refname>
|
|
<refname>sd_bus_get_exit_on_disconnect</refname>
|
|
|
|
<refpurpose>Control the exit behavior when the bus object disconnects</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<funcsynopsis>
|
|
<funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo>
|
|
|
|
<funcprototype>
|
|
<funcdef>int <function>sd_bus_set_exit_on_disconnect</function></funcdef>
|
|
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
|
|
<paramdef>int <parameter>b</parameter></paramdef>
|
|
</funcprototype>
|
|
|
|
<funcprototype>
|
|
<funcdef>int <function>sd_bus_get_exit_on_disconnect</function></funcdef>
|
|
<paramdef>sd_bus *<parameter>bus</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para><function>sd_bus_set_exit_on_disconnect()</function> may be used to configure the exit
|
|
behavior when the given bus object disconnects. If <parameter>b</parameter> is zero, no special
|
|
logic is executed when the bus object disconnects. If <parameter>b</parameter> is non-zero, the
|
|
behavior on disconnect depends on whether the bus object is attached to an event loop or not. If
|
|
the bus object is attached to an event loop (see
|
|
<citerefentry><refentrytitle>sd_bus_attach_event</refentrytitle><manvolnum>3</manvolnum></citerefentry>),
|
|
the event loop is closed when the bus object disconnects (as if calling
|
|
<citerefentry><refentrytitle>sd_event_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>).
|
|
Otherwise,
|
|
<citerefentry project='man-pages'><refentrytitle>exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>
|
|
is called. The exit code passed to <function>sd_event_exit()</function> and
|
|
<function>exit()</function> is <constant>EXIT_FAILURE</constant>. If the bus object has already
|
|
disconnected when enabling the exit behavior, the exit behavior is executed immediately. By
|
|
default, the exit behavior is disabled.</para>
|
|
|
|
<para><function>sd_bus_get_exit_on_disconnect()</function> returns whether the exit on
|
|
disconnect behavior is enabled for the given bus object.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Return Value</title>
|
|
|
|
<para>On success, <function>sd_bus_set_exit_on_disconnect()</function> returns a non-negative
|
|
integer. On failure, it returns a negative errno-style error code.</para>
|
|
|
|
<para><function>sd_bus_get_exit_on_disconnect()</function> returns a positive integer if the
|
|
exit on disconnect behavior is enabled. Otherwise, it returns zero.</para>
|
|
|
|
<refsect2>
|
|
<title>Errors</title>
|
|
|
|
<para>Returned errors may indicate the following problems:</para>
|
|
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><constant>-EINVAL</constant></term>
|
|
|
|
<listitem><para>A required parameter was <constant>NULL</constant>.</para>
|
|
|
|
<xi:include href="version-info.xml" xpointer="v246"/></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><constant>-ENOPKG</constant></term>
|
|
|
|
<listitem><para>The bus object could not be resolved.</para>
|
|
|
|
<xi:include href="version-info.xml" xpointer="v246"/></listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><constant>-ECHILD</constant></term>
|
|
|
|
<listitem><para>The bus connection was created in a different process, library or module instance.</para>
|
|
|
|
<xi:include href="version-info.xml" xpointer="v246"/></listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect2>
|
|
</refsect1>
|
|
|
|
<xi:include href="libsystemd-pkgconfig.xml" />
|
|
|
|
<refsect1>
|
|
<title>History</title>
|
|
<para><function>sd_bus_set_exit_on_disconnect()</function> and
|
|
<function>sd_bus_get_exit_on_disconnect()</function> were added in version 246.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>See Also</title>
|
|
|
|
<para><simplelist type="inline">
|
|
<member><citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry></member>
|
|
<member><citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
|
|
<member><citerefentry><refentrytitle>sd_bus_attach_event</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
|
|
<member><citerefentry><refentrytitle>sd-event</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
|
|
<member><citerefentry><refentrytitle>sd_event_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry></member>
|
|
</simplelist></para>
|
|
</refsect1>
|
|
</refentry>
|