/*****************************************************************************
- * vlc.c: the vlc player
+ * vlc.c: the VLC player
*****************************************************************************
- * Copyright (C) 1998-2001 VideoLAN
- * $Id: vlc.c,v 1.13 2002/10/08 18:10:09 sam Exp $
+ * Copyright (C) 1998-2008 the VideoLAN team
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
- * Gildas Bazin <gbazin@netcourrier.com>
+ * Gildas Bazin <gbazin@videolan.org>
+ * Derk-Jan Hartman <hartman at videolan dot org>
* Lots of other people, see the libvlc AUTHORS file
*
* This program is free software; you can redistribute it and/or modify
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
-#include <stdio.h> /* fprintf() */
-#include <stdlib.h> /* putenv(), strtol(), */
-#include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
-#include <time.h> /* time() */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
#include <vlc/vlc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
-#include "config.h"
-/*****************************************************************************
- * Local prototypes.
- *****************************************************************************/
-#ifndef WIN32
-static void SigHandler ( int i_signal );
-#endif
+/* Explicit HACK */
+extern void LocaleFree (const char *);
+extern char *FromLocale (const char *);
+
+#include <signal.h>
+#include <time.h>
+#include <pthread.h>
+#include <unistd.h>
/*****************************************************************************
- * main: parse command line, start interface and spawn threads
+ * main: parse command line, start interface and spawn threads.
*****************************************************************************/
-int main( int i_argc, char *ppsz_argv[] )
+int main( int i_argc, const char *ppsz_argv[] )
{
- vlc_error_t err;
+ int i_ret;
- fprintf( stderr, COPYRIGHT_MESSAGE "\n" );
+ if (geteuid () == 0)
+ {
+ fprintf (stderr, "VLC is not supposed to be run as root. Sorry.\n"
+ "If you need to use real-time priorities and/or privileged TCP ports\n"
+ "you can use %s-wrapper (make sure it is Set-UID root first and\n"
+ "cannot be run by non-trusted users first).\n", ppsz_argv[0]);
+ return 1;
+ }
+
+ setlocale (LC_ALL, "");
+
+#ifndef __APPLE__
+ /* This clutters OSX GUI error logs */
+ fprintf( stderr, "VLC media player %s\n", libvlc_get_version() );
+#endif
#ifdef HAVE_PUTENV
-# ifdef DEBUG
+# ifndef NDEBUG
/* Activate malloc checking routines to detect heap corruptions. */
- putenv( "MALLOC_CHECK_=2" );
+ putenv( (char*)"MALLOC_CHECK_=2" );
+# ifdef __APPLE__
+ putenv( (char*)"MallocErrorAbort=crash_my_baby_crash" );
+# endif
/* Disable the ugly Gnome crash dialog so that we properly segfault */
- putenv( "GNOME_DISABLE_CRASH_DIALOG=1" );
+ putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" );
# endif
-
- /* If the user isn't using VLC_VERBOSE, set it to 0 by default */
- if( getenv( "VLC_VERBOSE" ) == NULL )
- {
- putenv( "VLC_VERBOSE=0" );
- }
#endif
- /* Create a libvlc structure */
- err = vlc_create();
- if( err != VLC_SUCCESS )
- {
- return err;
- }
+#if defined (HAVE_GETEUID) && !defined (SYS_BEOS)
+ /* FIXME: rootwrap (); */
+#endif
-#ifndef WIN32
- /* Set the signal handlers. SIGTERM is not intercepted, because we need at
- * least one method to kill the program when all other methods failed, and
- * when we don't want to use SIGKILL.
+ /* Synchronously intercepted POSIX signals.
+ *
+ * In a threaded program such as VLC, the only sane way to handle signals
+ * is to block them in all thread but one - this is the only way to
+ * predict which thread will receive them. If any piece of code depends
+ * on delivery of one of this signal it is intrinsically not thread-safe
+ * and MUST NOT be used in VLC, whether we like it or not.
+ * There is only one exception: if the signal is raised with
+ * pthread_kill() - we do not use this in LibVLC but some pthread
+ * implementations use them internally. You should really use conditions
+ * for thread synchronization anyway.
+ *
+ * Signal that request a clean shutdown, and force an unclean shutdown
+ * if they are triggered again 2+ seconds later.
+ * We have to handle SIGTERM cleanly because of daemon mode.
* Note that we set the signals after the vlc_create call. */
- signal( SIGINT, SigHandler );
- signal( SIGHUP, SigHandler );
- signal( SIGQUIT, SigHandler );
-
- /* Other signals */
- signal( SIGALRM, SIG_IGN );
- signal( SIGPIPE, SIG_IGN );
-#endif
+ static const int sigs[] = {
+ SIGINT, SIGHUP, SIGQUIT, SIGTERM,
+ /* Signals that cause a no-op:
+ * - SIGPIPE might happen with sockets and would crash VLC. It MUST be
+ * blocked by any LibVLC-dependent application, in addition to VLC.
+ * - SIGCHLD is comes after exec*() (such as httpd CGI support) and must
+ * be dequeued to cleanup zombie processes.
+ */
+ SIGPIPE, SIGCHLD
+ };
+
+ sigset_t set;
+ sigemptyset (&set);
+ for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++)
+ sigaddset (&set, sigs[i]);
+
+ /* Block all these signals */
+ pthread_sigmask (SIG_BLOCK, &set, NULL);
+
+ /* Note that FromLocale() can be used before libvlc is initialized */
+ for (int i = 0; i < i_argc; i++)
+ if ((ppsz_argv[i] = FromLocale (ppsz_argv[i])) == NULL)
+ return 1; // BOOM!
+
+ libvlc_exception_t ex, dummy;
+ libvlc_exception_init (&ex);
+ libvlc_exception_init (&dummy);
/* Initialize libvlc */
- err = vlc_init( i_argc, ppsz_argv );
- if( err != VLC_SUCCESS )
- {
- vlc_destroy();
- return err;
- }
+ int i_argc_real = i_argc ? i_argc - 1 : 0;
+ const char **ppsz_argv_real = i_argc ? &ppsz_argv[1] : ppsz_argv;
+ libvlc_instance_t *vlc = libvlc_new (i_argc_real, ppsz_argv_real, &ex);
- /* Run libvlc, in non-blocking mode */
- err = vlc_play();
-
- /* Add background interfaces */
-#if 0
- { int i; for( i=10; i--; ) vlc_add_intf( NULL, "dummy", 0 ); }
- vlc_add_intf( NULL, "dummy", VLC_FALSE );
- vlc_add_intf( NULL, "logger", VLC_FALSE );
- vlc_add_intf( NULL, "xosd", VLC_FALSE );
- vlc_add_intf( NULL, "gtk", VLC_FALSE );
- vlc_add_intf( NULL, "kde", VLC_FALSE );
- vlc_add_intf( "rc", VLC_FALSE );
-#endif
-
- /* Add a blocking interface and keep the return value */
- err = vlc_add_intf( NULL, VLC_TRUE );
-
- /* Finish the threads */
- vlc_stop();
-
- /* Destroy the libvlc structure */
- vlc_destroy();
-
- return err;
-}
-
-#ifndef WIN32
-/*****************************************************************************
- * SigHandler: system signal handler
- *****************************************************************************
- * This function is called when a fatal signal is received by the program.
- * It tries to end the program in a clean way.
- *****************************************************************************/
-static void SigHandler( int i_signal )
-{
- static time_t abort_time = 0;
- static volatile vlc_bool_t b_die = VLC_FALSE;
-
- /* Once a signal has been trapped, the termination sequence will be
- * armed and subsequent signals will be ignored to avoid sending signals
- * to a libvlc structure having been destroyed */
-
- if( !b_die )
+ if (vlc != NULL)
{
- b_die = VLC_TRUE;
- abort_time = time( NULL );
-
- fprintf( stderr, "signal %d received, terminating vlc - do it "
- "again in case it gets stuck\n", i_signal );
-
- /* Acknowledge the signal received */
- vlc_die();
+ libvlc_add_intf (vlc, "signals", &dummy);
+ libvlc_add_intf (vlc, NULL, &ex);
+ libvlc_playlist_play (vlc, -1, 0, NULL, &dummy);
+ libvlc_wait (vlc);
+ libvlc_release (vlc);
}
- else if( time( NULL ) > abort_time + 2 )
- {
- /* If user asks again 1 or 2 seconds later, die badly */
- signal( SIGINT, SIG_DFL );
- signal( SIGHUP, SIG_DFL );
- signal( SIGQUIT, SIG_DFL );
- signal( SIGALRM, SIG_DFL );
- signal( SIGPIPE, SIG_DFL );
+ i_ret = libvlc_exception_raised (&ex);
+ if( i_ret )
+ fprintf( stderr, "%s\n", libvlc_exception_get_message( &ex));
- fprintf( stderr, "user insisted too much, dying badly\n" );
+ libvlc_exception_clear (&ex);
+ libvlc_exception_clear (&dummy);
- abort();
- }
-}
-#endif
+ for (int i = 0; i < i_argc; i++)
+ LocaleFree (ppsz_argv[i]);
+ return i_ret;
+}
projects / vlc / blobdiff