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authormahkoh <mahkoh@users.noreply.github.com>2016-06-21 17:52:32 +0200
committerLennart Poettering <lennart@poettering.net>2016-06-21 17:52:32 +0200
commite382c49f1dfe172cc14651fd0908da6ebf12ef53 (patch)
tree5af051d89844ada011630eae8c681af729466bb1 /man/sd_bus_get_fd.xml
parent7351ded5b956b841872a308b8d994b51f3cdd253 (diff)
man: document some sd-bus functions (#3567)
* sd_bus_add_match * sd_bus_get_fd * sd_bus_message_read_basic * sd_bus_process
Diffstat (limited to 'man/sd_bus_get_fd.xml')
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1 files changed, 101 insertions, 0 deletions
diff --git a/man/sd_bus_get_fd.xml b/man/sd_bus_get_fd.xml
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+<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ This file is part of systemd.
+
+ Copyright 2016 Julian Orth
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="sd_bus_get_fd">
+
+ <refentryinfo>
+ <title>sd_bus_get_fd</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <firstname>Julian</firstname>
+ <surname>Orth</surname>
+ <email>ju.orth@gmail.com</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>sd_bus_get_fd</refentrytitle>
+ <manvolnum>3</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>sd_bus_get_fd</refname>
+
+ <refpurpose>Get the file descriptor connected to the message bus</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <funcsynopsis>
+ <funcsynopsisinfo>#include &lt;systemd/sd-bus.h&gt;</funcsynopsisinfo>
+
+ <funcprototype>
+ <funcdef>int <function>sd_bus_get_fd</function></funcdef>
+ <paramdef>sd_bus *<parameter>bus</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>
+ <function>sd_bus_get_fd()</function> returns the file descriptor used to
+ communicate with the message bus. This descriptor can be used with
+ <citerefentry
+ project='die-net'><refentrytitle>select</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ <citerefentry
+ project='die-net'><refentrytitle>poll</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ or similar functions to wait for incmming messages.
+ </para>
+
+ <para>
+ If the bus was created with the
+ <citerefentry><refentrytitle>sd_bus_set_fd</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ function, then the <parameter>input_fd</parameter> used in that call is
+ returned.
+ </para>
+ </refsect1>
+
+ <refsect1>
+ <title>Return Value</title>
+
+ <para>
+ Returns the file descriptor used for incoming messages from the message
+ bus.
+ </para>
+ </refsect1>
+
+ <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_set_fd</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+ </para>
+ </refsect1>
+
+</refentry>