1 /*****************************************************************************
2 * vlc.c: the VLC player
3 *****************************************************************************
4 * Copyright (C) 1998-2008 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 *****************************************************************************/
36 #ifdef HAVE_X11_XLIB_H
37 # include <X11/Xlib.h>
41 extern void LocaleFree (const char *);
42 extern char *FromLocale (const char *);
49 /*****************************************************************************
50 * main: parse command line, start interface and spawn threads.
51 *****************************************************************************/
52 int main( int i_argc, const char *ppsz_argv[] )
56 #ifndef ALLOW_RUN_AS_ROOT
59 fprintf (stderr, "VLC is not supposed to be run as root. Sorry.\n"
60 "If you need to use real-time priorities and/or privileged TCP ports\n"
61 "you can use %s-wrapper (make sure it is Set-UID root and\n"
62 "cannot be run by non-trusted users first).\n", ppsz_argv[0]);
67 setlocale (LC_ALL, "");
70 /* This clutters OSX GUI error logs */
71 fprintf( stderr, "VLC media player %s\n", libvlc_get_version() );
76 /* Activate malloc checking routines to detect heap corruptions. */
77 putenv( (char*)"MALLOC_CHECK_=2" );
79 putenv( (char*)"MallocErrorAbort=crash_my_baby_crash" );
82 /* Disable the ugly Gnome crash dialog so that we properly segfault */
83 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
87 #ifdef HAVE_X11_XLIB_H
88 /* Initialize Xlib thread support. */
91 fputs ("VLC requires a thread-safe Xlib. Sorry.\n", stderr);
96 /* Synchronously intercepted POSIX signals.
98 * In a threaded program such as VLC, the only sane way to handle signals
99 * is to block them in all thread but one - this is the only way to
100 * predict which thread will receive them. If any piece of code depends
101 * on delivery of one of this signal it is intrinsically not thread-safe
102 * and MUST NOT be used in VLC, whether we like it or not.
103 * There is only one exception: if the signal is raised with
104 * pthread_kill() - we do not use this in LibVLC but some pthread
105 * implementations use them internally. You should really use conditions
106 * for thread synchronization anyway.
108 * Signal that request a clean shutdown, and force an unclean shutdown
109 * if they are triggered again 2+ seconds later.
110 * We have to handle SIGTERM cleanly because of daemon mode.
111 * Note that we set the signals after the vlc_create call. */
112 static const int sigs[] = {
113 SIGINT, SIGHUP, SIGQUIT, SIGTERM,
114 /* Signals that cause a no-op:
115 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
116 * blocked by any LibVLC-dependent application, not just VLC.
117 * - SIGCHLD comes after exec*() (such as httpd CGI support) and must
118 * be dequeued to cleanup zombie processes.
125 for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++)
126 sigaddset (&set, sigs[i]);
128 /* Block all these signals */
129 pthread_sigmask (SIG_BLOCK, &set, NULL);
130 sigdelset (&set, SIGPIPE);
131 sigdelset (&set, SIGCHLD);
133 /* Note that FromLocale() can be used before libvlc is initialized */
134 const char *argv[i_argc + 3];
138 argv[argc++] = FromLocale ("--plugin-path="TOP_BUILDDIR"/modules");
142 argv[argc++] = FromLocale ("--http-src="TOP_SRCDIR"/share/http");
146 for (int i = 1; i < i_argc; i++)
147 if ((argv[argc++] = FromLocale (ppsz_argv[i])) == NULL)
150 libvlc_exception_t ex, dummy;
151 libvlc_exception_init (&ex);
152 libvlc_exception_init (&dummy);
154 /* Initialize libvlc */
155 libvlc_instance_t *vlc = libvlc_new (argc, argv, &ex);
159 libvlc_add_intf (vlc, "signals", &ex);
160 if (libvlc_exception_raised (&ex))
162 libvlc_exception_clear (&ex);
163 pthread_sigmask (SIG_UNBLOCK, &set, NULL);
165 libvlc_add_intf (vlc, NULL, &ex);
166 libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
168 libvlc_release (vlc);
170 i_ret = libvlc_exception_raised (&ex);
172 fprintf( stderr, "%s\n", libvlc_exception_get_message( &ex));
174 libvlc_exception_clear (&ex);
175 libvlc_exception_clear (&dummy);
177 for (int i = 0; i < argc; i++)
178 LocaleFree (argv[i]);