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Diffstat (limited to 'man/sd_bus_request_name.xml')
-rw-r--r-- | man/sd_bus_request_name.xml | 210 |
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diff --git a/man/sd_bus_request_name.xml b/man/sd_bus_request_name.xml deleted file mode 100644 index 6aa132bb26..0000000000 --- a/man/sd_bus_request_name.xml +++ /dev/null @@ -1,210 +0,0 @@ -<?xml version='1.0'?> <!--*-nxml-*--> -<!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 2013 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_bus_request_name" conditional="ENABLE_KDBUS"> - - <refentryinfo> - <title>sd_bus_request_name</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_bus_request_name</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_bus_request_name</refname> - <refname>sd_bus_release_name</refname> - <refpurpose>Request or release a well-known name on a bus</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_bus_request_name</function></funcdef> - <paramdef>sd_bus *<parameter>bus</parameter></paramdef> - <paramdef>const char *<parameter>name</parameter></paramdef> - <paramdef>uint64_t <parameter>flags</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_bus_release_name</function></funcdef> - <paramdef>sd_bus *<parameter>bus</parameter></paramdef> - <paramdef>const char *<parameter>name</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_bus_request_name()</function> requests a - well-known name on a bus. It takes a bus connection, a valid bus - name and a flags parameter. The flags parameter is a combination - of the following flags:</para> - - <variablelist> - <varlistentry> - <term><varname>SD_BUS_NAME_ALLOW_REPLACEMENT</varname></term> - - <listitem><para>After acquiring the name successfully, permit - other peers to take over the name when they try to acquire it - with the <varname>SD_BUS_NAME_REPLACE_EXISTING</varname> flag - set. If <varname>SD_BUS_NAME_ALLOW_REPLACEMENT</varname> is - not set on the original request, such a request by other peers - will be denied.</para></listitem> - </varlistentry> - - <varlistentry> - <term><varname>SD_BUS_NAME_REPLACE_EXISTING</varname></term> - - <listitem><para>Take over the name if it is already acquired - by another peer, and that other peer has permitted takeover by - setting <varname>SD_BUS_NAME_ALLOW_REPLACEMENT</varname> while - acquiring it.</para></listitem> - </varlistentry> - - <varlistentry> - <term><varname>SD_BUS_NAME_QUEUE</varname></term> - - <listitem><para>Queue the acquisition of the name when the - name is already taken.</para></listitem> - </varlistentry> - </variablelist> - - <para><function>sd_bus_release_name()</function> releases an - acquired well-known name. It takes a bus connection and a valid - bus name as parameters.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success, these calls return 0 or a positive integer. On - failure, these calls return a negative errno-style error - code.</para> - - <para>If <varname>SD_BUS_NAME_QUEUE</varname> is specified, - <function>sd_bus_request_name()</function> will return 0 when the - name is already taken by another peer and the client has been - added to the queue for the name. In that case, the caller can - subscribe to <literal>NameOwnerChanged</literal> signals to be - notified when the name is successfully acquired. - <function>sd_bus_request_name()</function> returns > 0 when the - name has immediately been acquired successfully.</para> - </refsect1> - - <refsect1> - <title>Errors</title> - - <para>Returned errors may indicate the following problems:</para> - - <variablelist> - <varlistentry> - <term><constant>-EALREADY</constant></term> - - <listitem><para>The caller already is the owner of the - specified name.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EEXIST</constant></term> - - <listitem><para>The name has already been acquired by a - different peer, and SD_BUS_NAME_REPLACE_EXISTING was not - specified or the other peer did not specify - SD_BUS_NAME_ALLOW_REPLACEMENT while acquiring the - name.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ESRCH</constant></term> - - <listitem><para>It was attempted to release a name that is - currently not registered on the bus.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EADDRINUSE</constant></term> - - <listitem><para>It was attempted to release a name that is - owned by a different peer on the bus.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-EINVAL</constant></term> - - <listitem><para>A specified parameter is - invalid.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ENOTCONN</constant></term> - - <listitem><para>The bus connection has been - disconnected.</para></listitem> - </varlistentry> - - <varlistentry> - <term><constant>-ECHILD</constant></term> - - <listitem><para>The bus connection has been created in a - different process than the current one.</para></listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Notes</title> - - <para>The <function>sd_bus_acquire_name()</function> and - <function>sd_bus_release_name()</function> interfaces 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-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_bus_new</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |