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 *****************************************************************************/
44 extern void LocaleFree (const char *);
45 extern char *FromLocale (const char *);
48 /*****************************************************************************
50 *****************************************************************************/
53 extern void __wgetmainargs(int *argc, wchar_t ***wargv, wchar_t ***wenviron,
54 int expand_wildcards, int *startupinfo);
55 static inline void Kill(void) { }
62 static void Kill (void);
63 static void *SigHandler (void *set);
66 /*****************************************************************************
67 * main: parse command line, start interface and spawn threads.
68 *****************************************************************************/
69 int main( int i_argc, const char *ppsz_argv[] )
74 if (dlsym (RTLD_NEXT, "inet6_rth_add") && !dlsym (RTLD_NEXT, "qsort_r"))
76 /* Way too many Linux users have glibc 2.5-2.7 that keeps crashing
77 * inside its non-thread-safe dcgettext(). */
78 /* Hopefully glibc 2.8 will eventually work, not sure though */
80 "***************************************************\n"
81 "*** glibc version with broken libintl detected. ***\n"
82 "*** Messages localization will be disabled. ***\n"
83 "***************************************************\n");
84 setenv ("LC_MESSAGES", "C", 1);
87 setlocale (LC_ALL, "");
90 /* This clutters OSX GUI error logs */
91 fprintf( stderr, "VLC media player %s\n", VLC_Version() );
96 /* Activate malloc checking routines to detect heap corruptions. */
97 putenv( (char*)"MALLOC_CHECK_=2" );
99 /* Disable the ugly Gnome crash dialog so that we properly segfault */
100 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
104 #if defined (HAVE_GETEUID) && !defined (SYS_BEOS)
105 /* FIXME: rootwrap (); */
108 /* Create a libvlc structure */
109 i_ret = VLC_Create();
115 #if !defined(WIN32) && !defined(UNDER_CE)
116 /* Synchronously intercepted POSIX signals.
118 * In a threaded program such as VLC, the only sane way to handle signals
119 * is to block them in all thread but one - this is the only way to
120 * predict which thread will receive them. If any piece of code depends
121 * on delivery of one of this signal it is intrinsically not thread-safe
122 * and MUST NOT be used in VLC, whether we like it or not.
123 * There is only one exception: if the signal is raised with
124 * pthread_kill() - we do not use this in LibVLC but some pthread
125 * implementations use them internally. You should really use conditions
126 * for thread synchronization anyway.
128 * Signal that request a clean shutdown, and force an unclean shutdown
129 * if they are triggered again 2+ seconds later.
130 * We have to handle SIGTERM cleanly because of daemon mode.
131 * Note that we set the signals after the vlc_create call. */
132 static const int exitsigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM };
133 /* Signals that cause a no-op:
134 * - SIGALRM should not happen, but lets stay on the safe side.
135 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
136 * blocked by any LibVLC-dependant application, in addition to VLC.
137 * - SIGCHLD is comes after exec*() (such as httpd CGI support) and must
138 * be dequeued to cleanup zombie processes.
140 static const int dummysigs[] = { SIGALRM, SIGPIPE, SIGCHLD };
146 for (unsigned i = 0; i < sizeof (exitsigs) / sizeof (exitsigs[0]); i++)
147 sigaddset (&set, exitsigs[i]);
148 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
149 sigaddset (&set, dummysigs[i]);
151 /* Block all these signals */
152 pthread_sigmask (SIG_BLOCK, &set, NULL);
154 for (unsigned i = 0; i < sizeof (dummysigs) / sizeof (dummysigs[0]); i++)
155 sigdelset (&set, dummysigs[i]);
157 pthread_create (&sigth, NULL, SigHandler, &set);
161 /* Replace argv[1..n] with unicode for Windows NT and above */
162 if( GetVersion() < 0x80000000 )
164 wchar_t **wargv, **wenvp;
167 __wgetmainargs(&i_wargc, &wargv, &wenvp, 0, &si);
169 for( i = 0; i < i_wargc; i++ )
171 int len = WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, NULL, 0, NULL, NULL);
175 char *utf8arg = (char *)malloc(len);
176 if( NULL != utf8arg )
178 WideCharToMultiByte(CP_UTF8, 0, wargv[i], -1, utf8arg, len, NULL, NULL);
179 ppsz_argv[i] = utf8arg;
189 ppsz_argv[i] = strdup ("");
202 for (int i = 0; i < i_argc; i++)
203 if ((ppsz_argv[i] = FromLocale (ppsz_argv[i])) == NULL)
207 /* Initialize libvlc */
208 i_ret = VLC_Init( 0, i_argc, ppsz_argv );
212 return i_ret == VLC_EEXITSUCCESS ? 0 : -i_ret;
215 i_ret = VLC_AddIntf( 0, NULL, VLC_TRUE, VLC_TRUE );
217 /* Finish the threads */
222 /* Destroy the libvlc structure */
225 for (int i = 0; i < i_argc; i++)
226 LocaleFree (ppsz_argv[i]);
228 #if !defined(WIN32) && !defined(UNDER_CE)
229 pthread_cancel (sigth);
231 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
232 * cancellation point, so we throw a dummy quit signal to end
233 * sigwait() in the sigth thread */
234 pthread_kill (sigth, SIGQUIT);
236 pthread_join (sigth, NULL);
242 #if !defined(WIN32) && !defined(UNDER_CE)
243 /*****************************************************************************
244 * SigHandler: system signal handler
245 *****************************************************************************
246 * This thread receives all handled signals synchronously.
247 * It tries to end the program in a clean way.
248 *****************************************************************************/
249 static void *SigHandler (void *data)
251 const sigset_t *exitset = (sigset_t *)data;
253 time_t abort_time = 0;
255 pthread_sigmask (SIG_BLOCK, exitset, &fullset);
260 if( sigwait (&fullset, &i_signal) != 0 )
264 /* In Mac OS X up to 10.4.8 sigwait (among others) is not a pthread
265 * cancellation point */
266 pthread_testcancel();
269 if (!sigismember (exitset, i_signal))
270 continue; /* Ignore "dummy" signals */
272 /* Once a signal has been trapped, the termination sequence will be
273 * armed and subsequent signals will be ignored to avoid sending
274 * signals to a libvlc structure having been destroyed */
276 pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &state);
282 fprintf (stderr, "signal %d received, terminating vlc - do it "
283 "again in case it gets stuck\n", i_signal);
285 /* Acknowledge the signal received */
289 if (time (NULL) <= abort_time)
291 /* If user asks again more than 2 seconds later, die badly */
292 pthread_sigmask (SIG_UNBLOCK, exitset, NULL);
293 fprintf (stderr, "user insisted too much, dying badly\n");
296 pthread_setcancelstate (state, NULL);
302 static void KillOnce (void)
307 static void Kill (void)
309 static pthread_once_t once = PTHREAD_ONCE_INIT;
310 pthread_once (&once, KillOnce);
315 #if defined(UNDER_CE)
316 # if defined( _MSC_VER ) && defined( UNDER_CE )
317 # include "vlc_common.h"
319 /*****************************************************************************
320 * WinMain: parse command line, start interface and spawn threads. (WinCE only)
321 *****************************************************************************/
322 int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
323 LPTSTR lpCmdLine, int nCmdShow )
325 char **argv, psz_cmdline[MAX_PATH];
328 WideCharToMultiByte( CP_ACP, 0, lpCmdLine, -1,
329 psz_cmdline, MAX_PATH, NULL, NULL );
331 argv = vlc_parse_cmdline( psz_cmdline, &argc );
332 argv = realloc( argv, (argc + 1) * sizeof(char *) );
333 if( !argv ) return -1;
335 if( argc ) memmove( argv + 1, argv, argc * sizeof(char *) );
336 argv[0] = ""; /* Fake program path */
338 i_ret = main( argc + 1, argv );
340 /* No need to free the argv memory */