diff options
Diffstat (limited to 'man/sd_event_new.xml')
| -rw-r--r-- | man/sd_event_new.xml | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/man/sd_event_new.xml b/man/sd_event_new.xml deleted file mode 100644 index 854a887bce..0000000000 --- a/man/sd_event_new.xml +++ /dev/null @@ -1,181 +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 2014 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_new" conditional="ENABLE_KDBUS"> - - <refentryinfo> - <title>sd_event_new</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_new</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_event_new</refname> - <refname>sd_event_default</refname> - <refname>sd_event_ref</refname> - <refname>sd_event_unref</refname> - - <refpurpose>Acquire and release an event loop object</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_event_new</function></funcdef> - <paramdef>sd_bus **<parameter>event</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_event_default</function></funcdef> - <paramdef>sd_bus **<parameter>event</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>sd_bus *<function>sd_event_ref</function></funcdef> - <paramdef>sd_bus *<parameter>event</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>sd_bus *<function>sd_event_unref</function></funcdef> - <paramdef>sd_bus *<parameter>event</parameter></paramdef> - </funcprototype> - - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_event_new()</function> allocates a new event - loop object. The event loop object is returned in the - <parameter>event</parameter> parameter. After use, drop - the returned reference with - <function>sd_event_unref()</function>. When the last reference is - dropped, the object is freed.</para> - - <para><function>sd_event_default()</function> acquires a reference - to the default event loop object of the calling thread, possibly - allocating a new object if no default event loop object has been - allocated yet for the thread. After use, drop the returned - reference with <function>sd_event_unref()</function>. When the - last reference is dropped, the event loop is freed. If this - function is called while the object returned from a previous call - from the same thread is still referenced, the same object is - returned again, but the reference is increased by one. It is - recommended to use this call instead of - <function>sd_event_new()</function> in order to share event loop - objects between various components that are dispatched in the same - thread. All threads have exactly either zero or one default event loop - objects associated, but never more.</para> - - <para><function>sd_event_ref()</function> increases the reference - count of the specified event loop object by one.</para> - - <para><function>sd_event_unref()</function> decreases the - reference count of the specified event loop object by one. If - the count hits zero, the object is freed. Note that it - is freed regardless of whether it is the default event loop object for a - thread or not. This means that allocating an event loop with - <function>sd_event_default()</function>, then releasing it, and - then acquiring a new one with - <function>sd_event_default()</function> will result in two - distinct objects. Note that in order to free an event loop object, - all remaining event sources of the event loop also need to be - freed as each keeps a reference to it.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success, <function>sd_event_new()</function> and - <function>sd_event_default()</function> return 0 or a positive - integer. On failure, they return a negative errno-style error - code. <function>sd_event_ref()</function> always returns a pointer - to the event loop object passed - in. <function>sd_event_unref()</function> always returns - <constant>NULL</constant>.</para> - </refsect1> - - <refsect1> - <title>Errors</title> - - <para>Returned errors may indicate the following problems:</para> - - <variablelist> - <varlistentry> - <term><constant>-ENOMEM</constant></term> - - <listitem><para>Not enough memory to allocate the object.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EMFILE</constant></term> - - <listitem><para>The maximum number of event loops has been allocated.</para></listitem> - - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Notes</title> - - <para><function>sd_event_new()</function> and the other functions - described here are available as a shared library, which can be - compiled and linked to with the - <constant>libsystemd</constant> <citerefentry project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry> - file.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <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_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>, - <citerefentry><refentrytitle>sd_event_add_exit</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |