]> git.ipfire.org Git - thirdparty/systemd.git/commitdiff
sd-bus: Add sd_bus_get/set_exit_on_disconnect docs
authorDaan De Meyer <daan.j.demeyer@gmail.com>
Mon, 20 Apr 2020 17:55:22 +0000 (19:55 +0200)
committerDaan De Meyer <daan.j.demeyer@gmail.com>
Mon, 20 Apr 2020 18:03:41 +0000 (20:03 +0200)
man/rules/meson.build
man/sd-bus.xml
man/sd_bus_set_exit_on_disconnect.xml [new file with mode: 0644]

index 3b52d33e3719f20db9d9dbf8fa096fffe70ae1ed..90b422956d1d89af6d736a49e4dee69673bac457 100644 (file)
@@ -385,6 +385,7 @@ manpages = [
    'sd_bus_set_anonymous',
    'sd_bus_set_trusted'],
   ''],
+ ['sd_bus_set_exit_on_disconnect', '3', ['sd_bus_get_exit_on_disconnect'], ''],
  ['sd_bus_set_method_call_timeout',
   '3',
   ['sd_bus_get_method_call_timeout'],
index 3237eb82cc68d4cda304c0693e8a499983983e20..92e05a449ca5852ec80cefb311579b889a66d773 100644 (file)
@@ -77,6 +77,7 @@
 <citerefentry><refentrytitle>sd_bus_get_current_message</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_get_current_slot</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_get_current_userdata</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_get_exit_on_disconnect</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_get_fd</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_get_method_call_timeout</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_get_n_queued_read</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_request_name</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_address</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_set_bus_client</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_set_close_on_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_connected_signal</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_description</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+<citerefentry><refentrytitle>sd_bus_set_exit_on_disconnect</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_method_call_timeout</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_property</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_propertyv</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_sender</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
-<citerefentry><refentrytitle>sd_bus_set_bus_client</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_server</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_set_watch_bind</refentrytitle><manvolnum>3</manvolnum></citerefentry>
-<citerefentry><refentrytitle>sd_bus_set_close_on_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_get_current_handler</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_get_current_message</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
 <citerefentry><refentrytitle>sd_bus_slot_get_current_userdata</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
diff --git a/man/sd_bus_set_exit_on_disconnect.xml b/man/sd_bus_set_exit_on_disconnect.xml
new file mode 100644 (file)
index 0000000..97e0e03
--- /dev/null
@@ -0,0 +1,102 @@
+<?xml version='1.0'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
+
+<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 &lt;systemd/sd-bus.h&gt;</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_close_on_exit()</function> returns a non-negative
+    integer. On failure, it returns a negative errno-style error code.</para>
+
+    <para><function>sd_bus_get_close_on_exit()</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>-ECHILD</constant></term>
+
+          <listitem><para>The bus connection was created in a different process.</para></listitem>
+        </varlistentry>
+      </variablelist>
+    </refsect2>
+  </refsect1>
+
+  <xi:include href="libsystemd-pkgconfig.xml" />
+
+  <refsect1>
+    <title>See Also</title>
+
+    <para>
+      <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>sd_bus_attach_event</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>sd-event</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>sd_event_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+    </para>
+  </refsect1>
+</refentry>