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 *);
51 /*****************************************************************************
52 * main: parse command line, start interface and spawn threads.
53 *****************************************************************************/
54 int main( int i_argc
, const char *ppsz_argv
[] )
57 /* The so-called POSIX-compliant MacOS X is not.
58 * SIGPIPE fires even when it is blocked in all threads! */
59 signal (SIGPIPE
, SIG_IGN
);
62 #ifndef ALLOW_RUN_AS_ROOT
65 fprintf (stderr
, "VLC is not supposed to be run as root. Sorry.\n"
66 "If you need to use real-time priorities and/or privileged TCP ports\n"
67 "you can use %s-wrapper (make sure it is Set-UID root and\n"
68 "cannot be run by non-trusted users first).\n", ppsz_argv
[0]);
73 setlocale (LC_ALL
, "");
76 /* This clutters OSX GUI error logs */
77 fprintf( stderr
, "VLC media player %s\n", libvlc_get_version() );
82 /* Activate malloc checking routines to detect heap corruptions. */
83 putenv( (char*)"MALLOC_CHECK_=2" );
85 /* Disable the ugly Gnome crash dialog so that we properly segfault */
86 putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
90 /* Synchronously intercepted POSIX signals.
92 * In a threaded program such as VLC, the only sane way to handle signals
93 * is to block them in all thread but one - this is the only way to
94 * predict which thread will receive them. If any piece of code depends
95 * on delivery of one of this signal it is intrinsically not thread-safe
96 * and MUST NOT be used in VLC, whether we like it or not.
97 * There is only one exception: if the signal is raised with
98 * pthread_kill() - we do not use this in LibVLC but some pthread
99 * implementations use them internally. You should really use conditions
100 * for thread synchronization anyway.
102 * Signal that request a clean shutdown, and force an unclean shutdown
103 * if they are triggered again 2+ seconds later.
104 * We have to handle SIGTERM cleanly because of daemon mode.
105 * Note that we set the signals after the vlc_create call. */
106 static const int sigs
[] = {
107 SIGINT
, SIGHUP
, SIGQUIT
, SIGTERM
,
108 /* Signals that cause a no-op:
109 * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
110 * blocked by any LibVLC-dependent application, not just VLC.
111 * - SIGCHLD comes after exec*() (such as httpd CGI support) and must
112 * be dequeued to cleanup zombie processes.
119 for (unsigned i
= 0; i
< sizeof (sigs
) / sizeof (sigs
[0]); i
++)
120 sigaddset (&set
, sigs
[i
]);
122 /* Block all these signals */
123 pthread_sigmask (SIG_BLOCK
, &set
, NULL
);
124 sigdelset (&set
, SIGPIPE
);
125 sigdelset (&set
, SIGCHLD
);
127 /* Note that FromLocale() can be used before libvlc is initialized */
128 const char *argv
[i_argc
+ 3];
131 argv
[argc
++] = "--no-ignore-config";
133 argv
[argc
++] = FromLocale ("--plugin-path="TOP_BUILDDIR
"/modules");
136 argv
[argc
++] = FromLocale ("--data-path="TOP_SRCDIR
"/share");
141 /* When VLC.app is run by double clicking in Mac OS X, the 2nd arg
142 * is the PSN - process serial number (a unique PID-ish thingie)
143 * still ok for real Darwin & when run from command line
144 * for example -psn_0_9306113 */
145 if(i_argc
>= 2 && !strncmp( ppsz_argv
[1] , "-psn" , 4 ))
148 for (; i
< i_argc
; i
++)
149 if ((argv
[argc
++] = FromLocale (ppsz_argv
[i
])) == NULL
)
153 libvlc_exception_t ex
, dummy
;
154 libvlc_exception_init (&ex
);
155 libvlc_exception_init (&dummy
);
157 /* Initialize libvlc */
158 libvlc_instance_t
*vlc
= libvlc_new (argc
, argv
, &ex
);
162 if (libvlc_add_intf (vlc
, "signals"))
163 pthread_sigmask (SIG_UNBLOCK
, &set
, NULL
);
164 #if !defined (HAVE_MAEMO)
165 libvlc_add_intf (vlc
, "globalhotkeys,none");
167 libvlc_add_intf (vlc
, NULL
);
168 libvlc_playlist_play (vlc
, -1, 0, NULL
, &dummy
);
170 libvlc_release (vlc
);
173 for (int i
= 1; i
< argc
; i
++)
174 LocaleFree (argv
[i
]);
176 return vlc
== NULL
|| libvlc_exception_raised (&ex
);