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 *****************************************************************************/
39 extern void LocaleFree (const char *);
40 extern char *FromLocale (const char *);
43 /*****************************************************************************
45 *****************************************************************************/
48 extern void __wgetmainargs(int *argc, wchar_t ***wargv, wchar_t ***wenviron,
49 int expand_wildcards, int *startupinfo);
56 static void *SigHandler (void *set);
59 /*****************************************************************************
60 * main: parse command line, start interface and spawn threads.
61 *****************************************************************************/
62 int main( int i_argc, const char *ppsz_argv[] )
66 setlocale (LC_ALL, "");
69 /* This clutters OSX GUI error logs */
70 fprintf( stderr, "VLC media player %s\n", libvlc_get_version() );
75 /* Activate malloc checking routines to detect heap corruptions. */
76 putenv( (char*)"MALLOC_CHECK_=2" );
78 putenv( (char*)"MallocErrorAbort=crash_my_baby_crash" );
81 /* Disable the ugly Gnome crash dialog so that we properly segfault */
82 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
86 #if defined (HAVE_GETEUID) && !defined (SYS_BEOS)
87 /* FIXME: rootwrap (); */
90 #if !defined(WIN32) && !defined(UNDER_CE)
91 /* Synchronously intercepted POSIX signals.
93 * In a threaded program such as VLC, the only sane way to handle signals
94 * is to block them in all thread but one - this is the only way to
95 * predict which thread will receive them. If any piece of code depends
96 * on delivery of one of this signal it is intrinsically not thread-safe
97 * and MUST NOT be used in VLC, whether we like it or not.
98 * There is only one exception: if the signal is raised with
99 * pthread_kill() - we do not use this in LibVLC but some pthread
100 * implementations use them internally. You should really use conditions
101 * for thread synchronization anyway.
103 * Signal that request a clean shutdown, and force an unclean shutdown
104 * if they are triggered again 2+ seconds later.
105 * We have to handle SIGTERM cleanly because of daemon mode.
106 * Note that we set the signals after the vlc_create call. */
107 static const int exitsigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM };
108 /* Signals that cause a no-op:
109 * - SIGALRM should not happen, but lets stay on the safe side.
110 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
111 * blocked by any LibVLC-dependant application, in addition to VLC.
112 * - SIGCHLD is comes after exec*() (such as httpd CGI support) and must
113 * be dequeued to cleanup zombie processes.
115 static const int dummysigs[] = { SIGALRM, SIGPIPE, SIGCHLD };
121 for (unsigned i = 0; i < sizeof (exitsigs) / sizeof (exitsigs[0]); i++)
122 sigaddset (&set, exitsigs[i]);
123 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
124 sigaddset (&set, dummysigs[i]);
126 /* Block all these signals */
127 pthread_sigmask (SIG_BLOCK, &set, NULL);
129 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
130 sigdelset (&set, dummysigs[i]);
132 pthread_create (&sigth, NULL, SigHandler, &set);
136 /* Replace argv[1..n] with unicode for Windows NT and above */
137 if( GetVersion() < 0x80000000 )
139 wchar_t **wargv, **wenvp;
142 __wgetmainargs(&i_wargc, &wargv, &wenvp, 0, &si);
144 for( i = 0; i < i_wargc; i++ )
146 int len = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, NULL, 0, NULL, NULL);
150 char *utf8arg = (char *)malloc(len);
151 if( NULL != utf8arg )
153 WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, utf8arg, len, NULL, NULL);
154 ppsz_argv[i] = utf8arg;
164 ppsz_argv[i] = strdup ("");
177 /* Note that FromLocale() can be used before libvlc is initialized */
178 for (int i = 0; i < i_argc; i++)
179 if ((ppsz_argv[i] = FromLocale (ppsz_argv[i])) == NULL)
183 libvlc_exception_t ex;
184 libvlc_exception_init (&ex);
186 /* Initialize libvlc */
187 int i_argc_real = i_argc ? i_argc - 1 : 0;
188 const char **ppsz_argv_real = i_argc ? &ppsz_argv[1] : ppsz_argv;
189 libvlc_instance_t *vlc = libvlc_new (i_argc_real, ppsz_argv_real, &ex);
193 libvlc_run_interface (vlc, NULL, &ex);
194 libvlc_release (vlc);
196 i_ret = libvlc_exception_raised (&ex);
197 libvlc_exception_clear (&ex);
199 for (int i = 0; i < i_argc; i++)
200 LocaleFree (ppsz_argv[i]);
202 #if !defined(WIN32) && !defined(UNDER_CE)
203 pthread_cancel (sigth);
205 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
206 * cancellation point, so we throw a dummy quit signal to end
207 * sigwait() in the sigth thread */
208 pthread_kill (sigth, SIGQUIT);
210 pthread_join (sigth, NULL);
216 #if !defined(WIN32) && !defined(UNDER_CE)
217 /*****************************************************************************
218 * SigHandler: system signal handler
219 *****************************************************************************
220 * This thread receives all handled signals synchronously.
221 * It tries to end the program in a clean way.
222 *****************************************************************************/
223 static void *SigHandler (void *data)
225 const sigset_t *exitset = (sigset_t *)data;
227 time_t abort_time = 0;
229 pthread_sigmask (SIG_BLOCK, exitset, &fullset);
234 if( sigwait (&fullset, &i_signal) != 0 )
238 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
239 * cancellation point */
240 pthread_testcancel();
243 if (!sigismember (exitset, i_signal))
244 continue; /* Ignore "dummy" signals */
246 /* Once a signal has been trapped, the termination sequence will be
247 * armed and subsequent signals will be ignored to avoid sending
248 * signals to a libvlc structure having been destroyed */
250 pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &state);
251 if (abort_time == 0 || time (NULL) > abort_time)
256 fprintf (stderr, "signal %d received, terminating vlc - do it "
257 "again quickly in case it gets stuck\n", i_signal);
260 else /* time (NULL) <= abort_time */
262 /* If user asks again more than 2 seconds later, die badly */
263 pthread_sigmask (SIG_UNBLOCK, exitset, NULL);
264 fprintf (stderr, "user insisted too much, dying badly\n");
266 /* On Mac OS X, use exit(-1) as it doesn't trigger
267 * backtrace generation, whereas abort() does.
268 * The backtrace generation trigger a Crash Dialog
269 * And takes way too much time, which is not what
276 pthread_setcancelstate (state, NULL);
282 #if defined(UNDER_CE)
283 # if defined( _MSC_VER ) && defined( UNDER_CE )
284 # include "vlc_common.h"
286 /*****************************************************************************
287 * WinMain: parse command line, start interface and spawn threads. (WinCE only)
288 *****************************************************************************/
289 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
290 LPTSTR lpCmdLine, int nCmdShow )
292 char **argv, psz_cmdline[MAX_PATH];
295 WideCharToMultiByte( CP_ACP, 0, lpCmdLine, -1,
296 psz_cmdline, MAX_PATH, NULL, NULL );
298 argv = vlc_parse_cmdline( psz_cmdline, &argc );
299 argv = realloc( argv, (argc + 1) * sizeof(char *) );
300 if( !argv ) return -1;
302 if( argc ) memmove( argv + 1, argv, argc * sizeof(char *) );
303 argv[0] = ""; /* Fake program path */
305 i_ret = main( argc + 1, argv );
307 /* No need to free the argv memory */