1 /*****************************************************************************
2 * vlc.c: the vlc player
3 *****************************************************************************
4 * Copyright (C) 1998-2004 the VideoLAN team
7 * Authors: Vincent Seguin <seguin@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Gildas Bazin <gbazin@videolan.org>
10 * Derk-Jan Hartman <hartman at videolan dot org>
11 * Lots of other people, see the libvlc AUTHORS file
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
26 *****************************************************************************/
37 extern void LocaleFree (const char *);
38 extern char *FromLocale (const char *);
41 /*****************************************************************************
43 *****************************************************************************/
46 extern void __wgetmainargs(int *argc, wchar_t ***wargv, wchar_t ***wenviron,
47 int expand_wildcards, int *startupinfo);
48 static inline void Kill(void) { }
55 static void Kill (void);
56 static void *SigHandler (void *set);
59 /*****************************************************************************
60 * main: parse command line, start interface and spawn threads.
61 *****************************************************************************/
62 int main( int i_argc, char *ppsz_argv[] )
66 setlocale (LC_ALL, "");
69 /* This clutters OSX GUI error logs */
70 fprintf( stderr, "VLC media player %s\n", VLC_Version() );
75 /* Activate malloc checking routines to detect heap corruptions. */
76 putenv( (char*)"MALLOC_CHECK_=2" );
78 /* Disable the ugly Gnome crash dialog so that we properly segfault */
79 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
83 #if defined (HAVE_GETEUID) && !defined (SYS_BEOS)
84 /* FIXME: rootwrap (); */
87 /* Create a libvlc structure */
94 #if !defined(WIN32) && !defined(UNDER_CE)
95 /* Synchronously intercepted POSIX signals.
97 * In a threaded program such as VLC, the only sane way to handle signals
98 * is to block them in all thread but one - this is the only way to
99 * predict which thread will receive them. If any piece of code depends
100 * on delivery of one of this signal it is intrinsically not thread-safe
101 * and MUST NOT be used in VLC, whether we like it or not.
102 * There is only one exception: if the signal is raised with
103 * pthread_kill() - we do not use this in LibVLC but some pthread
104 * implementations use them internally. You should really use conditions
105 * for thread synchronization anyway.
107 * Signal that request a clean shutdown, and force an unclean shutdown
108 * if they are triggered again 2+ seconds later.
109 * We have to handle SIGTERM cleanly because of daemon mode.
110 * Note that we set the signals after the vlc_create call. */
111 static const int exitsigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM };
112 /* Signals that cause a no-op:
113 * - SIGALRM should not happen, but lets stay on the safe side.
114 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
115 * blocked by any LibVLC-dependant application, in addition to VLC.
116 * - SIGCHLD is comes after exec*() (such as httpd CGI support) and must
117 * be dequeued to cleanup zombie processes.
119 static const int dummysigs[] = { SIGALRM, SIGPIPE, SIGCHLD };
125 for (unsigned i = 0; i < sizeof (exitsigs) / sizeof (exitsigs[0]); i++)
126 sigaddset (&set, exitsigs[i]);
127 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
128 sigaddset (&set, dummysigs[i]);
130 /* Block all these signals */
131 pthread_sigmask (SIG_BLOCK, &set, NULL);
133 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
134 sigdelset (&set, dummysigs[i]);
136 pthread_create (&sigth, NULL, SigHandler, &set);
140 /* Replace argv[1..n] with unicode for Windows NT and above */
141 if( GetVersion() < 0x80000000 )
143 wchar_t **wargv, **wenvp;
146 __wgetmainargs(&i_wargc, &wargv, &wenvp, 0, &si);
148 for( i = 0; i < i_wargc; i++ )
150 int len = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, NULL, 0, NULL, NULL);
154 char *utf8arg = (char *)malloc(len);
155 if( NULL != utf8arg )
157 WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, utf8arg, len, NULL, NULL);
158 ppsz_argv[i] = utf8arg;
168 ppsz_argv[i] = strdup ("");
181 for (int i = 0; i < i_argc; i++)
182 if ((ppsz_argv[i] = FromLocale (ppsz_argv[i])) == NULL)
186 /* Initialize libvlc */
187 i_ret = VLC_Init( 0, i_argc, ppsz_argv );
191 return i_ret == VLC_EEXITSUCCESS ? 0 : -i_ret;
194 i_ret = VLC_AddIntf( 0, NULL, VLC_TRUE, VLC_TRUE );
196 /* Finish the threads */
201 /* Destroy the libvlc structure */
204 for (int i = 0; i < i_argc; i++)
205 LocaleFree (ppsz_argv[i]);
207 #if !defined(WIN32) && !defined(UNDER_CE)
208 pthread_cancel (sigth);
210 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
211 * cancellation point, so we throw a dummy quit signal to end
212 * sigwait() in the sigth thread */
213 pthread_kill (sigth, SIGQUIT);
215 pthread_join (sigth, NULL);
221 #if !defined(WIN32) && !defined(UNDER_CE)
222 /*****************************************************************************
223 * SigHandler: system signal handler
224 *****************************************************************************
225 * This thread receives all handled signals synchronously.
226 * It tries to end the program in a clean way.
227 *****************************************************************************/
228 static void *SigHandler (void *data)
230 const sigset_t *exitset = (sigset_t *)data;
232 time_t abort_time = 0;
234 pthread_sigmask (SIG_BLOCK, exitset, &fullset);
239 (void)sigwait (&fullset, &i_signal);
242 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
243 * cancellation point */
244 pthread_testcancel();
247 if (!sigismember (exitset, i_signal))
248 continue; /* Ignore "dummy" signals */
250 /* Once a signal has been trapped, the termination sequence will be
251 * armed and subsequent signals will be ignored to avoid sending
252 * signals to a libvlc structure having been destroyed */
254 pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &state);
260 fprintf (stderr, "signal %d received, terminating vlc - do it "
261 "again in case it gets stuck\n", i_signal);
263 /* Acknowledge the signal received */
267 if (time (NULL) <= abort_time)
269 /* If user asks again more than 2 seconds later, die badly */
270 pthread_sigmask (SIG_UNBLOCK, exitset, NULL);
271 fprintf (stderr, "user insisted too much, dying badly\n");
274 pthread_setcancelstate (state, NULL);
280 static void KillOnce (void)
285 static void Kill (void)
287 static pthread_once_t once = PTHREAD_ONCE_INIT;
288 pthread_once (&once, KillOnce);
293 #if defined(UNDER_CE)
294 # if defined( _MSC_VER ) && defined( UNDER_CE )
295 # include "vlc_common.h"
297 /*****************************************************************************
298 * WinMain: parse command line, start interface and spawn threads. (WinCE only)
299 *****************************************************************************/
300 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
301 LPTSTR lpCmdLine, int nCmdShow )
303 char **argv, psz_cmdline[MAX_PATH];
306 WideCharToMultiByte( CP_ACP, 0, lpCmdLine, -1,
307 psz_cmdline, MAX_PATH, NULL, NULL );
309 argv = vlc_parse_cmdline( psz_cmdline, &argc );
310 argv = realloc( argv, (argc + 1) * sizeof(char *) );
311 if( !argv ) return -1;
313 if( argc ) memmove( argv + 1, argv, argc * sizeof(char *) );
314 argv[0] = ""; /* Fake program path */
316 i_ret = main( argc + 1, argv );
318 /* No need to free the argv memory */