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author | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:38:59 -0400 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:38:59 -0400 |
commit | 7bd29679e6dd590bddfa18401749fad5c8f5d46b (patch) | |
tree | ca8e39d88032fc2458551743b38c4c3f3bde1374 /man/sd_event_run.xml | |
parent | 28420561826df73fff80c4a3c808aa9f1d418730 (diff) |
./tools/notsd-move
Diffstat (limited to 'man/sd_event_run.xml')
-rw-r--r-- | man/sd_event_run.xml | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/man/sd_event_run.xml b/man/sd_event_run.xml deleted file mode 100644 index 5b68959165..0000000000 --- a/man/sd_event_run.xml +++ /dev/null @@ -1,190 +0,0 @@ -<?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 2015 Zbigniew Jędrzejewski-Szmek - - 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_event_run" xmlns:xi="http://www.w3.org/2001/XInclude"> - - <refentryinfo> - <title>sd_event_run</title> - <productname>systemd</productname> - - <authorgroup> - <author> - <contrib>Developer</contrib> - <firstname>Tom</firstname> - <surname>Gundersen</surname> - <email>teg@jklm.no</email> - </author> - </authorgroup> - </refentryinfo> - - <refmeta> - <refentrytitle>sd_event_run</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_event_run</refname> - <refname>sd_event_loop</refname> - - <refpurpose>Run an event loop</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-event.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_event_run</function></funcdef> - <paramdef>sd_event *<parameter>event</parameter></paramdef> - <paramdef>uint64_t <parameter>usec</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_event_loop</function></funcdef> - <paramdef>sd_event *<parameter>event</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_event_run()</function> may be used to run a single - iteration of the event loop specified in the - <parameter>event</parameter> parameter. The function waits until an event to - process is available, and dispatches the registered handler for - it. The <parameter>usec</parameter> parameter specifies the - maximum time (in microseconds) to wait for an event. Use - <constant>(uint64_t) -1</constant> to specify an infinite - timeout.</para> - - <para><function>sd_event_loop()</function> invokes - <function>sd_event_run()</function> in a loop, thus implementing - the actual event loop. The call returns as soon as exiting was - requested using - <citerefentry><refentrytitle>sd_event_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para> - - <para>The event loop object <parameter>event</parameter> is - created with - <citerefentry><refentrytitle>sd_event_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>. - Events sources to wait for and their handlers may be registered - with - <citerefentry><refentrytitle>sd_event_add_io</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_time</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_signal</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_child</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_defer</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_post</refentrytitle><manvolnum>3</manvolnum></citerefentry> - and - <citerefentry><refentrytitle>sd_event_add_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>. - </para> - - <para>For low-level control of event loop execution, use - <citerefentry><refentrytitle>sd_event_prepare</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_wait</refentrytitle><manvolnum>3</manvolnum></citerefentry> - and - <citerefentry><refentrytitle>sd_event_dispatch</refentrytitle><manvolnum>3</manvolnum></citerefentry> - which are wrapped by <function>sd_event_run()</function>. Along - with - <citerefentry><refentrytitle>sd_event_get_fd</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - these functions allow integration of an - <citerefentry><refentrytitle>sd-event</refentrytitle><manvolnum>3</manvolnum></citerefentry> - event loop into foreign event loop implementations.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On failure, these functions return a negative errno-style - error code. <function>sd_event_run()</function> returns a - positive, non-zero integer if an event source was dispatched, and - zero when the specified timeout hit before an event source has - seen any event, and hence no event source was - dispatched. <function>sd_event_loop()</function> returns the exit - code specified when invoking - <function>sd_event_exit()</function>.</para> - </refsect1> - - <refsect1> - <title>Errors</title> - - <para>Returned errors may indicate the following problems:</para> - - <variablelist> - <varlistentry> - <term><constant>-EINVAL</constant></term> - - <listitem><para>The <parameter>event</parameter> parameter is - invalid or <constant>NULL</constant>.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EBUSY</constant></term> - - <listitem><para>The event loop object is not in the right - state (see - <citerefentry><refentrytitle>sd_event_prepare</refentrytitle><manvolnum>3</manvolnum></citerefentry> - for an explanation of possible states).</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ESTALE</constant></term> - - <listitem><para>The event loop is already terminated.</para></listitem> - - </varlistentry> - - <varlistentry> - <term><constant>-ECHILD</constant></term> - - <listitem><para>The event loop has been created in a different process.</para></listitem> - - </varlistentry> - - </variablelist> - - <para>Other errors are possible, too.</para> - </refsect1> - - <xi:include href="libsystemd-pkgconfig.xml" /> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_new</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_io</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_time</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_signal</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_defer</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_post</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_get_fd</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_wait</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <ulink url="https://developer.gnome.org/glib/unstable/glib-The-Main-Event-Loop.html">GLib Main Event Loop</ulink>. - </para> - </refsect1> - -</refentry> |