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<div id="projectname">Audacious <span id="projectnumber">$Id:Doxyfile42802007-03-2104:39:00Znenolod$</span></div>
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<h1>signals.c</h1> </div>
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<a href="signals_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Audacious</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2005-2007 Yoshiki Yazawa</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright 2009 John Lindgren (POSIX threaded signal handling)</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation; under version 3 of the License.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00016"></a>00016 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses>.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * The Audacious team does not consider modular code linking to</span>
<a name="l00019"></a>00019 <span class="comment"> * Audacious or using our public API to be a derived work.</span>
<a name="l00020"></a>00020 <span class="comment"> */</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <signal.h></span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <glib.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <gtk/gtk.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <libaudcore/eventqueue.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="audconfig_8h.html">audconfig.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "config.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="main_8h.html">main.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="signals_8h.html">signals.h</a>"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#ifdef USE_EGGSM</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include "eggsmclient.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a><a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">00038</a> <span class="keyword">static</span> sigset_t <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>;
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="preprocessor">#ifdef USE_EGGSM</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00042"></a>00042 signal_session_quit_cb(EggSMClient *client, gpointer user_data)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keyword">const</span> gchar * argv[2];
<a name="l00045"></a>00045
<a name="l00046"></a>00046 g_print(<span class="stringliteral">"Session quit requested. Saving state and shutting down.\n"</span>);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 argv[0] = <span class="stringliteral">"audacious"</span>;
<a name="l00049"></a>00049 argv[1] = g_strdup_printf (<span class="stringliteral">"--display=%s"</span>, gdk_display_get_name (gdk_display_get_default()));
<a name="l00050"></a>00050 egg_sm_client_set_restart_command (client, 2, argv);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <a class="code" href="main_8c.html#ae8e6dca51f304e64a2d32c870195c625">aud_quit</a>();
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00056"></a>00056 signal_session_save_cb(EggSMClient *client, GKeyFile *state_file, gpointer user_data)
<a name="l00057"></a>00057 {
<a name="l00058"></a>00058 <span class="keyword">const</span> gchar * argv[2];
<a name="l00059"></a>00059
<a name="l00060"></a>00060 g_print(<span class="stringliteral">"Session save requested. Saving state.\n"</span>);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 argv[0] = <span class="stringliteral">"audacious"</span>;
<a name="l00063"></a>00063 argv[1] = g_strdup_printf (<span class="stringliteral">"--display=%s"</span>, gdk_display_get_name (gdk_display_get_default()));
<a name="l00064"></a>00064 egg_sm_client_set_restart_command (client, 2, argv);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <a class="code" href="audconfig_8c.html#a693ac380ddcd5176ffcc6758d865fd7c">aud_config_save</a>();
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 <span class="preprocessor">#endif</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a><a class="code" href="signals_8c.html#a7f5b5309d28e1c92761371d88cd7005e">00070</a> <span class="keyword">static</span> <span class="keywordtype">void</span> * <a class="code" href="signals_8c.html#a7f5b5309d28e1c92761371d88cd7005e">signal_thread</a> (<span class="keywordtype">void</span> * <a class="code" href="misc-api_8h.html#a2a40119722f785a93d720b769541a543">data</a>)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <a class="code" href="misc-api_8h.html#acf599c059f43e0cca83145eb6b0c93cd">gint</a> signal;
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">while</span> (! sigwait (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, & signal))
<a name="l00075"></a>00075 <a class="code" href="eventqueue_8c.html#a760d1866961cde8ef0ecbb8941f10d99">event_queue</a> (<span class="stringliteral">"quit"</span>, 0);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">return</span> NULL;
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">/* Must be called before any threads are created. */</span>
<a name="l00081"></a><a class="code" href="signals_8h.html#a5d6b92120f755e593ee3fe6e5641099f">00081</a> <span class="keywordtype">void</span> <a class="code" href="signals_8c.html#a5d6b92120f755e593ee3fe6e5641099f">signal_handlers_init</a> (<span class="keywordtype">void</span>)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="preprocessor">#ifdef USE_EGGSM</span>
<a name="l00084"></a>00084 <span class="preprocessor"></span> EggSMClient *client;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 client = egg_sm_client_get ();
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (client != NULL)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 egg_sm_client_set_mode (EGG_SM_CLIENT_MODE_NORMAL);
<a name="l00090"></a>00090 g_signal_connect (client, <span class="stringliteral">"quit"</span>,
<a name="l00091"></a>00091 G_CALLBACK (signal_session_quit_cb), NULL);
<a name="l00092"></a>00092 g_signal_connect (client, <span class="stringliteral">"save-state"</span>,
<a name="l00093"></a>00093 G_CALLBACK (signal_session_save_cb), NULL);
<a name="l00094"></a>00094
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="preprocessor">#endif</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
<a name="l00098"></a>00098 sigemptyset (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>);
<a name="l00099"></a>00099 sigaddset (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, SIGHUP);
<a name="l00100"></a>00100 sigaddset (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, SIGINT);
<a name="l00101"></a>00101 sigaddset (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, SIGQUIT);
<a name="l00102"></a>00102 sigaddset (& <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, SIGTERM);
<a name="l00103"></a>00103
<a name="l00104"></a>00104 sigprocmask (SIG_BLOCK, & <a class="code" href="signals_8c.html#a333e564290a2c5859720b9ea34ae055b">signal_set</a>, NULL);
<a name="l00105"></a>00105 g_thread_create (<a class="code" href="signals_8c.html#a7f5b5309d28e1c92761371d88cd7005e">signal_thread</a>, NULL, FALSE, NULL);
<a name="l00106"></a>00106 }
</pre></div></div>
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