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 *****************************************************************************/
43 extern void LocaleFree (const char *);
44 extern char *FromLocale (const char *);
52 /*****************************************************************************
53 * main: parse command line, start interface and spawn threads.
54 *****************************************************************************/
55 int main( int i_argc, const char *ppsz_argv[] )
58 /* The so-called POSIX-compliant MacOS X is not.
59 * SIGPIPE fires even when it is blocked in all threads! */
60 signal (SIGPIPE, SIG_IGN);
63 #ifndef ALLOW_RUN_AS_ROOT
66 fprintf (stderr, "VLC is not supposed to be run as root. Sorry.\n"
67 "If you need to use real-time priorities and/or privileged TCP ports\n"
68 "you can use %s-wrapper (make sure it is Set-UID root and\n"
69 "cannot be run by non-trusted users first).\n", ppsz_argv[0]);
74 setlocale (LC_ALL, "");
77 /* This clutters OSX GUI error logs */
78 fprintf( stderr, "VLC media player %s (revision %s)\n",
79 libvlc_get_version(), libvlc_get_changeset() );
84 /* Activate malloc checking routines to detect heap corruptions. */
85 putenv( (char*)"MALLOC_CHECK_=2" );
87 /* Disable the ugly Gnome crash dialog so that we properly segfault */
88 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
92 /* Synchronously intercepted POSIX signals.
94 * In a threaded program such as VLC, the only sane way to handle signals
95 * is to block them in all threads but one - this is the only way to
96 * predict which thread will receive them. If any piece of code depends
97 * on delivery of one of this signal it is intrinsically not thread-safe
98 * and MUST NOT be used in VLC, whether we like it or not.
99 * There is only one exception: if the signal is raised with
100 * pthread_kill() - we do not use this in LibVLC but some pthread
101 * implementations use them internally. You should really use conditions
102 * for thread synchronization anyway.
104 * Signal that request a clean shutdown, and force an unclean shutdown
105 * if they are triggered again 2+ seconds later.
106 * We have to handle SIGTERM cleanly because of daemon mode.
107 * Note that we set the signals after the vlc_create call. */
108 static const int sigs[] = {
109 SIGINT, SIGHUP, SIGQUIT, SIGTERM,
110 /* Signals that cause a no-op:
111 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
112 * blocked by any LibVLC-dependent application, not just VLC.
113 * - SIGCHLD comes after exec*() (such as httpd CGI support) and must
114 * be dequeued to cleanup zombie processes.
121 for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++)
122 sigaddset (&set, sigs[i]);
124 /* Block all these signals */
125 pthread_sigmask (SIG_BLOCK, &set, NULL);
126 sigdelset (&set, SIGPIPE);
127 sigdelset (&set, SIGCHLD);
129 /* Note that FromLocale() can be used before libvlc is initialized */
130 const char *argv[i_argc + 3];
133 argv[argc++] = "--no-ignore-config";
135 argv[argc++] = FromLocale ("--plugin-path="TOP_BUILDDIR"/modules");
138 argv[argc++] = FromLocale ("--data-path="TOP_SRCDIR"/share");
143 /* When VLC.app is run by double clicking in Mac OS X, the 2nd arg
144 * is the PSN - process serial number (a unique PID-ish thingie)
145 * still ok for real Darwin & when run from command line
146 * for example -psn_0_9306113 */
147 if(i_argc >= 2 && !strncmp( ppsz_argv[1] , "-psn" , 4 ))
150 for (; i < i_argc; i++)
151 if ((argv[argc++] = FromLocale (ppsz_argv[i])) == NULL)
155 /* Initialize libvlc */
156 libvlc_instance_t *vlc = libvlc_new (argc, argv);
160 if (libvlc_add_intf (vlc, "signals"))
161 pthread_sigmask (SIG_UNBLOCK, &set, NULL);
162 #if !defined (HAVE_MAEMO)
163 libvlc_add_intf (vlc, "globalhotkeys,none");
165 if (libvlc_add_intf (vlc, NULL) == 0)
167 libvlc_playlist_play (vlc, -1, 0, NULL);
170 libvlc_release (vlc);
173 for (int i = 1; i < argc; i++)
174 LocaleFree (argv[i]);
177 /* Avoid crash in KIO scheduler cleanup. */
178 /* This is ugly, but we get way too many crash reports due to this. */
179 if (dlopen ("libkfilemodule.so", RTLD_LAZY|RTLD_LOCAL|RTLD_NOLOAD) != NULL)
181 fprintf (stderr, "KFile plugin present. Unclean shutdown!\n");