XMMS2
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00001 /* XMMS2 - X Music Multiplexer System 00002 * Copyright (C) 2003-2011 XMMS2 Team 00003 * 00004 * PLUGINS ARE NOT CONSIDERED TO BE DERIVED WORK !!! 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 */ 00016 00017 00018 00019 00020 /** @file 00021 * Takes care of unix-signals. 00022 */ 00023 00024 00025 #include "xmmspriv/xmms_signal.h" 00026 #include "xmmspriv/xmms_thread_name.h" 00027 #include "xmms/xmms_log.h" 00028 #include "xmms/xmms_object.h" 00029 00030 #include <stdlib.h> 00031 #include <string.h> 00032 #include <signal.h> 00033 #include <string.h> 00034 #include <glib.h> 00035 #include <unistd.h> 00036 00037 static sigset_t osignals; 00038 00039 static gpointer 00040 sigwaiter (gpointer data) 00041 { 00042 xmms_object_t *obj = (xmms_object_t *) data; 00043 xmms_object_cmd_arg_t arg; 00044 sigset_t signals; 00045 int caught; 00046 00047 xmms_set_thread_name ("x2 sig waiter"); 00048 00049 sigemptyset(&signals); 00050 sigaddset (&signals, SIGINT); 00051 sigaddset (&signals, SIGTERM); 00052 00053 while (1337) { 00054 sigwait (&signals, &caught); 00055 00056 switch (caught){ 00057 case SIGINT: 00058 case SIGTERM: 00059 pthread_sigmask (SIG_UNBLOCK, &signals, NULL); 00060 00061 xmms_log_info ("Bye!"); 00062 00063 xmms_object_cmd_arg_init (&arg); 00064 memset (&arg, 0, sizeof (arg)); 00065 arg.args = xmmsv_new_list (); 00066 xmms_error_reset (&arg.error); 00067 xmms_object_cmd_call (obj, XMMS_IPC_CMD_QUIT, &arg); 00068 xmmsv_unref (arg.args); 00069 break; 00070 } 00071 } 00072 00073 return 0; 00074 } 00075 00076 void 00077 xmms_signal_block (void) 00078 { 00079 sigset_t signals; 00080 00081 sigemptyset(&signals); 00082 00083 sigaddset (&signals, SIGHUP); 00084 sigaddset (&signals, SIGTERM); 00085 sigaddset (&signals, SIGINT); 00086 00087 pthread_sigmask (SIG_BLOCK, &signals, &osignals); 00088 00089 /* Thanks to bug #8533731 in CoreServices on Mac OS X, calling 00090 * FindComponent/AudioComponentNext in the CoreAudio output 00091 * plugin will cause SIGPIPE to be unblocked. To solve this 00092 * we have to fend off SIGPIPE here instead of via sigmask. 00093 * Doesn't affect the behavior on other platforms. 00094 */ 00095 signal (SIGPIPE, SIG_IGN); 00096 } 00097 00098 void 00099 xmms_signal_restore (void) 00100 { 00101 pthread_sigmask (SIG_SETMASK, &osignals, NULL); 00102 } 00103 00104 void 00105 xmms_signal_init (xmms_object_t *obj) 00106 { 00107 g_thread_create (sigwaiter, obj, FALSE, NULL); 00108 }