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Diffstat (limited to 'man/sd_event_source_set_enabled.xml')
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diff --git a/man/sd_event_source_set_enabled.xml b/man/sd_event_source_set_enabled.xml deleted file mode 100644 index 6844f29a49..0000000000 --- a/man/sd_event_source_set_enabled.xml +++ /dev/null @@ -1,179 +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 Lennart Poettering - - 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_source_set_enabled" xmlns:xi="http://www.w3.org/2001/XInclude"> - - <refentryinfo> - <title>sd_event_source_set_enabled</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>sd_event_source_set_enabled</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_event_source_set_enabled</refname> - <refname>sd_event_source_get_enabled</refname> - <refname>SD_EVENT_ON</refname> - <refname>SD_EVENT_OFF</refname> - <refname>SD_EVENT_ONESHOT</refname> - - <refpurpose>Enable or disable event sources</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-event.h></funcsynopsisinfo> - - <funcsynopsisinfo><token>enum</token> { - <constant>SD_EVENT_OFF</constant> = 0, - <constant>SD_EVENT_ON</constant> = 1, - <constant>SD_EVENT_ONESHOT</constant> = -1, -};</funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_event_source_set_enabled</function></funcdef> - <paramdef>sd_event_source *<parameter>source</parameter></paramdef> - <paramdef>int <parameter>enabled</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_event_source_get_enabled</function></funcdef> - <paramdef>sd_event_source *<parameter>source</parameter></paramdef> - <paramdef>int *<parameter>enabled</parameter></paramdef> - </funcprototype> - - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_event_source_set_enabled()</function> may be - used to enable or disable the event source object specified as - <parameter>source</parameter>. The <parameter>enabled</parameter> - parameter takes one of <constant>SD_EVENT_ON</constant> (to - enable), <constant>SD_EVENT_OFF</constant> (to disable) or - <constant>SD_EVENT_ONESHOT</constant>. If invoked with - <constant>SD_EVENT_ONESHOT</constant> the event source will be - enabled but automatically reset to - <constant>SD_EVENT_OFF</constant> after the event source was - dispatched once.</para> - - <para>Event sources that are disabled will not result in event - loop wakeups and will not be dispatched, until they are enabled - again.</para> - - <para><function>sd_event_source_get_enabled()</function> may be - used to query whether the event source object - <parameter>source</parameter> is currently enabled or not. It - returns the enablement state in - <parameter>enabled</parameter>.</para> - - <para>Event source objects are enabled when they are first created - with calls such as - <citerefentry><refentrytitle>sd_event_add_io</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_event_add_time</refentrytitle><manvolnum>3</manvolnum></citerefentry>. However, - depending on the event source type they are enabled continuously - (<constant>SD_EVENT_ON</constant>) or only for a single invocation - of the event source handler - (<constant>SD_EVENT_ONESHOT</constant>). For details see the - respective manual pages.</para> - - <para>As event source objects stay active and may be dispatched as - long as there is at least one reference to them, in many cases it - is a good idea to combine a call to - <citerefentry><refentrytitle>sd_event_source_unref</refentrytitle><manvolnum>3</manvolnum></citerefentry> - with a prior call to - <function>sd_event_source_set_enabled()</function> with - <constant>SD_EVENT_OFF</constant>, to ensure the event source is - not dispatched again until all other remaining references are dropped.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success, <function>sd_event_source_set_enabled()</function> and - <function>sd_event_source_get_enabled()</function> return a - non-negative integer. On failure, they return a negative - errno-style error code.</para> - </refsect1> - - <refsect1> - <title>Errors</title> - - <para>Returned errors may indicate the following problems:</para> - - <variablelist> - <varlistentry> - <term><constant>-EINVAL</constant></term> - - <listitem><para><parameter>source</parameter> is not a valid - pointer to an <structname>sd_event_source</structname> - object.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ENOMEM</constant></term> - - <listitem><para>Not enough memory.</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> - </refsect1> - - <xi:include href="libsystemd-pkgconfig.xml" /> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>sd-event</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_child</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_source_unref</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |