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<div class="title">dbus-pipe-unix.c</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* dbus-pipe-unix.c unix related pipe implementation</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002, 2003, 2006 Red Hat, Inc.</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2003 CodeFactory AB</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Academic Free License version 2.1</span>
<a name="l00008"></a>00008 <span class="comment"> * </span>
<a name="l00009"></a>00009 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> * (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00017"></a>00017 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00018"></a>00018 <span class="comment"> * </span>
<a name="l00019"></a>00019 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00020"></a>00020 <span class="comment"> * along with this program; if not, write to the Free Software</span>
<a name="l00021"></a>00021 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00022"></a>00022 <span class="comment"> *</span>
<a name="l00023"></a>00023 <span class="comment"> */</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <config.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "dbus-protocol.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "dbus-string.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "dbus-internals.h"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "dbus-pipe.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "dbus-sysdeps-unix.h"</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <errno.h></span>
<a name="l00033"></a>00033
<a name="l00044"></a>00044 <span class="keywordtype">int</span>
<a name="l00045"></a>00045 _dbus_pipe_write (<a class="code" href="structDBusPipe.html">DBusPipe</a> *pipe,
<a name="l00046"></a>00046 <span class="keyword">const</span> <a class="code" href="structDBusString.html">DBusString</a> *buffer,
<a name="l00047"></a>00047 <span class="keywordtype">int</span> start,
<a name="l00048"></a>00048 <span class="keywordtype">int</span> len,
<a name="l00049"></a>00049 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordtype">int</span> written;
<a name="l00052"></a>00052
<a name="l00053"></a>00053 written = <a class="code" href="group__DBusSysdepsUnix.html#ga3a789bcdfd3d468c2bf917fa5081b27f" title="Thin wrapper around the write() system call that writes a part of a DBusString and handles EINTR for ...">_dbus_write</a> (pipe->fd, buffer, start, len);
<a name="l00054"></a>00054 <span class="keywordflow">if</span> (written < 0)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="code" href="group__DBusErrors.html#ga89d2ad4bde21f9e0057fac07a79885e3" title="Assigns an error name and message to a DBusError.">dbus_set_error</a> (error, <a class="code" href="group__DBusProtocol.html#gabb62fd6340d0787fbd56ff8dd2f326c7" title="A generic error; "something went wrong" - see the error message for more.">DBUS_ERROR_FAILED</a>,
<a name="l00057"></a>00057 <span class="stringliteral">"Writing to pipe: %s\n"</span>,
<a name="l00058"></a>00058 _dbus_strerror (errno));
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 <span class="keywordflow">return</span> written;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00070"></a>00070 <span class="keywordtype">int</span>
<a name="l00071"></a>00071 _dbus_pipe_close (<a class="code" href="structDBusPipe.html">DBusPipe</a> *pipe,
<a name="l00072"></a>00072 <a class="code" href="structDBusError.html" title="Object representing an exception.">DBusError</a> *error)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordflow">if</span> (!<a class="code" href="group__DBusSysdepsUnix.html#gac448479a1674e3b86cee9a4bdc7eba03" title="Closes a file descriptor.">_dbus_close</a> (pipe->fd, error))
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordflow">return</span> -1;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 <span class="keywordflow">else</span>
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 _dbus_pipe_invalidate (pipe);
<a name="l00081"></a>00081 <span class="keywordflow">return</span> 0;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 }
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