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Diffstat (limited to 'man/sd_is_fifo.xml')
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diff --git a/man/sd_is_fifo.xml b/man/sd_is_fifo.xml deleted file mode 100644 index 7ff02cbfec..0000000000 --- a/man/sd_is_fifo.xml +++ /dev/null @@ -1,200 +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 2010 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_is_fifo" - xmlns:xi="http://www.w3.org/2001/XInclude"> - - <refentryinfo> - <title>sd_is_fifo</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_is_fifo</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_is_fifo</refname> - <refname>sd_is_socket</refname> - <refname>sd_is_socket_inet</refname> - <refname>sd_is_socket_unix</refname> - <refname>sd_is_mq</refname> - <refname>sd_is_special</refname> - <refpurpose>Check the type of a file descriptor</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-daemon.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_is_fifo</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>const char *<parameter>path</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_is_socket</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>family</parameter></paramdef> - <paramdef>int <parameter>type</parameter></paramdef> - <paramdef>int <parameter>listening</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_is_socket_inet</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>family</parameter></paramdef> - <paramdef>int <parameter>type</parameter></paramdef> - <paramdef>int <parameter>listening</parameter></paramdef> - <paramdef>uint16_t <parameter>port</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_is_socket_unix</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>type</parameter></paramdef> - <paramdef>int <parameter>listening</parameter></paramdef> - <paramdef>const char *<parameter>path</parameter></paramdef> - <paramdef>size_t <parameter>length</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_is_mq</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>const char *<parameter>path</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_is_special</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>const char *<parameter>path</parameter></paramdef> - </funcprototype> - - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_is_fifo()</function> may be called to check - whether the specified file descriptor refers to a FIFO or pipe. If - the <parameter>path</parameter> parameter is not - <constant>NULL</constant>, it is checked whether the FIFO is bound - to the specified file system path.</para> - - <para><function>sd_is_socket()</function> may be called to check - whether the specified file descriptor refers to a socket. If the - <parameter>family</parameter> parameter is not - <constant>AF_UNSPEC</constant>, it is checked whether the socket - is of the specified family (<constant>AF_UNIX</constant>, - <constant>AF_INET</constant>, ...). If the <parameter>type</parameter> - parameter is not 0, it is checked whether the socket is of the - specified type (<constant>SOCK_STREAM</constant>, - <constant>SOCK_DGRAM</constant>, ...). If the - <parameter>listening</parameter> parameter is positive, it is - checked whether the socket is in accepting mode, i.e. - <function>listen()</function> has been called for it. If - <parameter>listening</parameter> is 0, it is checked whether the - socket is not in this mode. If the parameter is negative, no such - check is made. The <parameter>listening</parameter> parameter - should only be used for stream sockets and should be set to a - negative value otherwise.</para> - - <para><function>sd_is_socket_inet()</function> is similar to - <function>sd_is_socket()</function>, but optionally checks the - IPv4 or IPv6 port number the socket is bound to, unless - <parameter>port</parameter> is zero. For this call - <parameter>family</parameter> must be passed as either - <constant>AF_UNSPEC</constant>, <constant>AF_INET</constant>, or - <constant>AF_INET6</constant>.</para> - - <para><function>sd_is_socket_unix()</function> is similar to - <function>sd_is_socket()</function> but optionally checks the - <constant>AF_UNIX</constant> path the socket is bound to, unless - the <parameter>path</parameter> parameter is - <constant>NULL</constant>. For normal file system - <constant>AF_UNIX</constant> sockets, set the - <parameter>length</parameter> parameter to 0. For Linux abstract - namespace sockets, set the <parameter>length</parameter> to the - size of the address, including the initial 0 byte, and set the - <parameter>path</parameter> to the initial 0 byte of the socket - address.</para> - - <para><function>sd_is_mq()</function> may be called to check - whether the specified file descriptor refers to a POSIX message - queue. If the <parameter>path</parameter> parameter is not - <constant>NULL</constant>, it is checked whether the message queue - is bound to the specified name.</para> - - <para><function>sd_is_special()</function> may be called to check - whether the specified file descriptor refers to a special file. If - the <parameter>path</parameter> parameter is not - <constant>NULL</constant>, it is checked whether the file - descriptor is bound to the specified file name. Special files in - this context are character device nodes and files in - <filename>/proc</filename> or <filename>/sys</filename>.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On failure, these calls return a negative errno-style error - code. If the file descriptor is of the specified type and bound to - the specified address, a positive return value is returned, - otherwise zero.</para> - </refsect1> - - <refsect1> - <title>Notes</title> - - <xi:include href="libsystemd-pkgconfig.xml" xpointer="pkgconfig-text"/> - - <para>Internally, these function use a combination of - <filename>fstat()</filename> and - <filename>getsockname()</filename> to check the file descriptor - type and where it is bound to.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_listen_fds</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>, - <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |