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vlc-2-2
Commit 9d6920b9 authored by Gildas Bazin's avatar Gildas Bazin
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* moved the function definitions from threads.h into threads_funcs.h. This
   allows us to move p_main_sys into p_main (p_main->p_sys).
* fixed the --with-gtk-config-path and --with-sdl-config-path options in
   configure.in
parent 233d20e6
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Showing with 927 additions and 904 deletions
configure
View file @ 9d6920b9
......@@ -6643,9 +6643,9 @@ then
# Check whether --with-sdl-config-path or --without-sdl-config-path was given.
if test "${with_sdl_config_path+set}" = set; then
withval="$with_sdl_config_path"
if test "x$with_sdl" != "xno"
if test "x$with_sdl_config_path" != "xno"
then
SDL_PATH="$with_sdl:$PATH"
SDL_PATH="$with_sdl_config_path:$PATH"
fi
fi
......@@ -7384,9 +7384,9 @@ then
# Check whether --with-gtk-config-path or --without-gtk-config-path was given.
if test "${with_gtk_config_path+set}" = set; then
withval="$with_gtk_config_path"
if test "x$with_gtk" != "xno"
if test "x$with_gtk_config_path" != "xno"
then
GTK_PATH="$with_gtk:$PATH"
GTK_PATH="$with_gtk_config_path:$PATH"
fi
fi
......
configure.in
View file @ 9d6920b9
......@@ -945,9 +945,9 @@ then
SDL_PATH=$PATH
AC_ARG_WITH(sdl-config-path,
[ --with-sdl-config-path=PATH sdl-config path (default search in \$PATH)],
[ if test "x$with_sdl" != "xno"
[ if test "x$with_sdl_config_path" != "xno"
then
SDL_PATH="$with_sdl:$PATH"
SDL_PATH="$with_sdl_config_path:$PATH"
fi ])
AC_PATH_PROG(SDL12_CONFIG, sdl12-config, no, $SDL_PATH)
SDL_CONFIG=${SDL12_CONFIG}
......@@ -1191,9 +1191,9 @@ then
GTK_PATH=$PATH
AC_ARG_WITH(gtk-config-path,
[ --with-gtk-config-path=PATH gtk-config path (default search in \$PATH)],
[ if test "x$with_gtk" != "xno"
[ if test "x$with_gtk_config_path" != "xno"
then
GTK_PATH="$with_gtk:$PATH"
GTK_PATH="$with_gtk_config_path:$PATH"
fi ])
# look for gtk-config
AC_PATH_PROG(GTK12_CONFIG, gtk12-config, no, $GTK_PATH)
......
include/common.h
View file @ 9d6920b9
......@@ -3,7 +3,7 @@
* Collection of useful common types and macros definitions
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
* $Id: common.h,v 1.101 2002/04/26 18:12:28 jlj Exp $
* $Id: common.h,v 1.102 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
......@@ -113,11 +113,6 @@ typedef s64 mtime_t;
* Classes declaration
*****************************************************************************/
/* System */
struct main_sys_s;
typedef struct main_sys_s * p_main_sys_t;
/* Plugins */
struct plugin_bank_s;
struct plugin_info_s;
......@@ -524,7 +519,6 @@ typedef __int64 off_t;
typedef struct module_symbols_s
{
struct main_s* p_main;
struct main_sys_s* p_main_sys;
struct module_bank_s* p_module_bank;
struct input_bank_s* p_input_bank;
struct aout_bank_s* p_aout_bank;
......
include/main.h
View file @ 9d6920b9
......@@ -3,7 +3,7 @@
* Declaration and extern access to global program object.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: main.h,v 1.34 2002/04/24 00:36:24 sam Exp $
* $Id: main.h,v 1.35 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
*
......@@ -35,6 +35,9 @@
typedef struct main_s
{
/* Private data */
struct main_sys_s* p_sys; /* for system specific properties */
/* Global properties */
int i_argc; /* command line arguments count */
char ** ppsz_argv; /* command line arguments */
......
include/os_specific.h
View file @ 9d6920b9
......@@ -2,7 +2,7 @@
* os_specific.h: OS specific features
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: os_specific.h,v 1.3 2002/04/25 21:52:42 sam Exp $
* $Id: os_specific.h,v 1.4 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -45,12 +45,6 @@ extern "C" {
****************************************************************************/
struct main_sys_s;
#ifndef __PLUGIN__
extern struct main_sys_s *p_main_sys;
#else
# define p_main_sys (p_symbols->p_main_sys)
#endif
/*****************************************************************************
* Prototypes
*****************************************************************************/
......
include/threads.h
View file @ 9d6920b9
......@@ -3,10 +3,11 @@
* This header provides a portable threads implementation.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: threads.h,v 1.41 2002/04/18 12:51:59 sam Exp $
* $Id: threads.h,v 1.42 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -87,7 +88,7 @@ int pthread_mutexattr_setkind_np( pthread_mutexattr_t *attr, int kind );
#define THREAD_FATAL 31 /* an fatal error occured - program must end */
/*****************************************************************************
* Types definition
* Type definitions
*****************************************************************************/
#if defined( PTH_INIT_IN_PTH_H )
......@@ -165,8 +166,9 @@ typedef struct
typedef void *(*vlc_thread_func_t)(void *p_data);
/*****************************************************************************
* Prototypes
* Prototype for GPROF wrapper
*****************************************************************************/
#ifdef GPROF
......@@ -204,869 +206,3 @@ typedef struct wrapper_s
} wrapper_t;
#endif /* GPROF */
/*****************************************************************************
* vlc_threads_init: initialize threads system
*****************************************************************************/
static __inline__ int vlc_threads_init( void )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_init();
#elif defined( ST_INIT_IN_ST_H )
return st_init();
#elif defined( WIN32 )
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return 0;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
return 0;
#endif
}
/*****************************************************************************
* vlc_threads_end: stop threads system
*****************************************************************************/
static __inline__ int vlc_threads_end( void )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_kill();
#elif defined( ST_INIT_IN_ST_H )
return 0;
#elif defined( WIN32 )
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return 0;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
return 0;
#endif
}
/*****************************************************************************
* vlc_mutex_init: initialize a mutex
*****************************************************************************/
static __inline__ int vlc_mutex_init( vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_init( p_mutex );
#elif defined( ST_INIT_IN_ST_H )
*p_mutex = st_mutex_new();
return ( *p_mutex == NULL ) ? errno : 0;
#elif defined( WIN32 )
/* We use mutexes on WinNT/2K/XP because we can use the SignalObjectAndWait
* function and have a 100% correct vlc_cond_wait() implementation.
* As this function is not available on Win9x, we can use the faster
* CriticalSections */
if( (GetVersion() < 0x80000000) && !p_main_sys->b_fast_pthread )
{
/* We are running on NT/2K/XP, we can use SignalObjectAndWait */
p_mutex->mutex = CreateMutex( 0, FALSE, 0 );
return ( p_mutex->mutex ? 0 : 1 );
}
else
{
InitializeCriticalSection( &p_mutex->csection );
p_mutex->mutex = NULL;
return 0;
}
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
# if defined(DEBUG) && defined(SYS_LINUX)
/* Create error-checking mutex to detect threads problems more easily. */
pthread_mutexattr_t attr;
int i_result;
pthread_mutexattr_init( &attr );
pthread_mutexattr_setkind_np( &attr, PTHREAD_MUTEX_ERRORCHECK_NP );
i_result = pthread_mutex_init( p_mutex, &attr );
pthread_mutexattr_destroy( &attr );
return( i_result );
# endif
return pthread_mutex_init( p_mutex, NULL );
#elif defined( HAVE_CTHREADS_H )
mutex_init( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
/* check the arguments and whether it's already been initialized */
if( p_mutex == NULL )
{
return B_BAD_VALUE;
}
if( p_mutex->init == 9999 )
{
return EALREADY;
}
p_mutex->lock = create_sem( 1, "BeMutex" );
if( p_mutex->lock < B_NO_ERROR )
{
return( -1 );
}
p_mutex->init = 9999;
return B_OK;
#endif
}
/*****************************************************************************
* vlc_mutex_lock: lock a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_lock( P_MUTEX ) \
_vlc_mutex_lock( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_lock( P_MUTEX ) \
_vlc_mutex_lock( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_lock( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_acquire( p_mutex, TRUE, NULL );
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_lock( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
WaitForSingleObject( p_mutex->mutex, INFINITE );
}
else
{
EnterCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_lock( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_lock failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
mutex_lock( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
status_t err;
if( !p_mutex )
{
return B_BAD_VALUE;
}
if( p_mutex->init < 2000 )
{
return B_NO_INIT;
}
err = acquire_sem( p_mutex->lock );
return err;
#endif
}
/*****************************************************************************
* vlc_mutex_unlock: unlock a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_unlock( P_MUTEX ) \
_vlc_mutex_unlock( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_unlock( P_MUTEX ) \
_vlc_mutex_unlock( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_unlock( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_release( p_mutex );
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_unlock( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
ReleaseMutex( p_mutex->mutex );
}
else
{
LeaveCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_unlock( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_unlock failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
mutex_unlock( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_mutex)
{
return B_BAD_VALUE;
}
if( p_mutex->init < 2000 )
{
return B_NO_INIT;
}
release_sem( p_mutex->lock );
return B_OK;
#endif
}
/*****************************************************************************
* vlc_mutex_destroy: destroy a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_destroy( P_MUTEX ) \
_vlc_mutex_destroy( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_destroy( P_MUTEX ) \
_vlc_mutex_destroy( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_destroy( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return 0;
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_destroy( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
CloseHandle( p_mutex->mutex );
}
else
{
DeleteCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_destroy( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_destroy failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( p_mutex->init == 9999 )
{
delete_sem( p_mutex->lock );
}
p_mutex->init = 0;
return B_OK;
#endif
}
/*****************************************************************************
* vlc_cond_init: initialize a condition
*****************************************************************************/
static __inline__ int vlc_cond_init( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_init( p_condvar );
#elif defined( ST_INIT_IN_ST_H )
*p_condvar = st_cond_new();
return ( *p_condvar == NULL ) ? errno : 0;
#elif defined( WIN32 )
/* initialise counter */
p_condvar->i_waiting_threads = 0;
/* Create an auto-reset event. */
p_condvar->signal = CreateEvent( NULL, /* no security */
FALSE, /* auto-reset event */
FALSE, /* non-signaled initially */
NULL ); /* unnamed */
return( !p_condvar->signal );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_init( p_condvar, NULL );
#elif defined( HAVE_CTHREADS_H )
/* condition_init() */
spin_lock_init( &p_condvar->lock );
cthread_queue_init( &p_condvar->queue );
p_condvar->name = 0;
p_condvar->implications = 0;
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init == 9999 )
{
return EALREADY;
}
p_condvar->thread = -1;
p_condvar->init = 9999;
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_signal: start a thread on condition completion
*****************************************************************************/
static __inline__ int vlc_cond_signal( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_notify( p_condvar, FALSE );
#elif defined( ST_INIT_IN_ST_H )
return st_cond_signal( *p_condvar );
#elif defined( WIN32 )
/* Release one waiting thread if one is available. */
/* For this trick to work properly, the vlc_cond_signal must be surrounded
* by a mutex. This will prevent another thread from stealing the signal */
PulseEvent( p_condvar->signal );
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_signal( p_condvar );
#elif defined( HAVE_CTHREADS_H )
/* condition_signal() */
if ( p_condvar->queue.head || p_condvar->implications )
{
cond_signal( (condition_t)p_condvar );
}
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
while( p_condvar->thread != -1 )
{
thread_info info;
if( get_thread_info(p_condvar->thread, &info) == B_BAD_VALUE )
{
return 0;
}
if( info.state != B_THREAD_SUSPENDED )
{
/* The waiting thread is not suspended so it could
* have been interrupted beetwen the unlock and the
* suspend_thread line. That is why we sleep a little
* before retesting p_condver->thread. */
snooze( 10000 );
}
else
{
/* Ok, we have to wake up that thread */
resume_thread( p_condvar->thread );
return 0;
}
}
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_broadcast: start all threads waiting on condition completion
*****************************************************************************/
/*
* FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME
* Only works with pthreads, you need to adapt it for others
* FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME
*/
static __inline__ int vlc_cond_broadcast( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_notify( p_condvar, FALSE );
#elif defined( ST_INIT_IN_ST_H )
return st_cond_broadcast( p_condvar );
#elif defined( WIN32 )
/* Release all waiting threads. */
/* For this trick to work properly, the vlc_cond_signal must be surrounded
* by a mutex. This will prevent another thread from stealing the signal */
while( p_condvar->i_waiting_threads )
{
PulseEvent( p_condvar->signal );
Sleep( 1 ); /* deschedule the current thread */
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_broadcast( p_condvar );
#elif defined( HAVE_CTHREADS_H )
/* condition_signal() */
if ( p_condvar->queue.head || p_condvar->implications )
{
cond_signal( (condition_t)p_condvar );
}
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
while( p_condvar->thread != -1 )
{
thread_info info;
if( get_thread_info(p_condvar->thread, &info) == B_BAD_VALUE )
{
return 0;
}
if( info.state != B_THREAD_SUSPENDED )
{
/* The waiting thread is not suspended so it could
* have been interrupted beetwen the unlock and the
* suspend_thread line. That is why we sleep a little
* before retesting p_condver->thread. */
snooze( 10000 );
}
else
{
/* Ok, we have to wake up that thread */
resume_thread( p_condvar->thread );
return 0;
}
}
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_wait: wait until condition completion
*****************************************************************************/
#ifdef DEBUG
# define vlc_cond_wait( P_COND, P_MUTEX ) \
_vlc_cond_wait( __FILE__, __LINE__, P_COND, P_MUTEX )
#else
# define vlc_cond_wait( P_COND, P_MUTEX ) \
_vlc_cond_wait( "(unknown)", 0, P_COND, P_MUTEX )
#endif
static __inline__ int _vlc_cond_wait( char * psz_file, int i_line,
vlc_cond_t *p_condvar,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_await( p_condvar, p_mutex, NULL );
#elif defined( ST_INIT_IN_ST_H )
int i_ret;
st_mutex_unlock( *p_mutex );
i_ret = st_cond_wait( *p_condvar );
st_mutex_lock( *p_mutex );
return i_ret;
#elif defined( WIN32 )
/* The ideal would be to use a function which atomically releases the
* mutex and initiate the waiting.
* Unfortunately only the SignalObjectAndWait function does this and it's
* only supported on WinNT/2K, furthermore it cannot take multiple
* events as parameters.
*
* The solution we use should however fulfill all our needs (even though
* it is not a correct pthreads implementation)
*/
int i_result;
p_condvar->i_waiting_threads ++;
if( p_mutex->mutex )
{
p_main_sys->SignalObjectAndWait( p_mutex->mutex, p_condvar->signal,
INFINITE, FALSE );
}
else
{
/* Release the mutex */
vlc_mutex_unlock( p_mutex );
i_result = WaitForSingleObject( p_condvar->signal, INFINITE);
p_condvar->i_waiting_threads --;
}
/* Reacquire the mutex before returning. */
vlc_mutex_lock( p_mutex );
return( i_result == WAIT_FAILED );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
#ifndef DEBUG
return pthread_cond_wait( p_condvar, p_mutex );
#else
/* In debug mode, timeout */
struct timeval now;
struct timespec timeout;
int i_result;
for( ; ; )
{
gettimeofday( &now, NULL );
timeout.tv_sec = now.tv_sec + THREAD_COND_TIMEOUT;
timeout.tv_nsec = now.tv_usec * 1000;
i_result = pthread_cond_timedwait( p_condvar, p_mutex, &timeout );
if( i_result == ETIMEDOUT )
{
intf_WarnMsg( 1, "thread %d warning: Possible deadlock detected in cond_wait at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
continue;
}
if( i_result )
{
intf_ErrMsg( "thread %d error: cond_wait failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
}
return( i_result );
}
#endif
#elif defined( HAVE_CTHREADS_H )
condition_wait( (condition_t)p_condvar, (mutex_t)p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( !p_mutex )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
/* The p_condvar->thread var is initialized before the unlock because
* it enables to identify when the thread is interrupted beetwen the
* unlock line and the suspend_thread line */
p_condvar->thread = find_thread( NULL );
vlc_mutex_unlock( p_mutex );
suspend_thread( p_condvar->thread );
p_condvar->thread = -1;
vlc_mutex_lock( p_mutex );
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_destroy: destroy a condition
*****************************************************************************/
#ifdef DEBUG
# define vlc_cond_destroy( P_COND ) \
_vlc_cond_destroy( __FILE__, __LINE__, P_COND )
#else
# define vlc_cond_destroy( P_COND ) \
_vlc_cond_destroy( "(unknown)", 0, P_COND )
#endif
static __inline__ int _vlc_cond_destroy( char * psz_file, int i_line,
vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return 0;
#elif defined( ST_INIT_IN_ST_H )
return st_cond_destroy( *p_condvar );
#elif defined( WIN32 )
return( !CloseHandle( p_condvar->signal ) );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_result = pthread_cond_destroy( p_condvar );
if( i_result )
{
intf_ErrMsg( "thread %d error: cond_destroy failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
}
return i_result;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
p_condvar->init = 0;
return 0;
#endif
}
/*****************************************************************************
* vlc_thread_create: create a thread
*****************************************************************************/
#ifdef DEBUG
# define vlc_thread_create( P_THREAD, PSZ_NAME, FUNC, P_DATA ) \
_vlc_thread_create( __FILE__, __LINE__, P_THREAD, PSZ_NAME, FUNC, P_DATA )
#else
# define vlc_thread_create( P_THREAD, PSZ_NAME, FUNC, P_DATA ) \
_vlc_thread_create( "(unknown)", 0, P_THREAD, PSZ_NAME, FUNC, P_DATA )
#endif
static __inline__ int _vlc_thread_create( char * psz_file, int i_line,
vlc_thread_t *p_thread,
char *psz_name,
vlc_thread_func_t func,
void *p_data )
{
int i_ret;
#ifdef GPROF
wrapper_t wrapper;
/* Initialize the wrapper structure */
wrapper.func = func;
wrapper.p_data = p_data;
getitimer( ITIMER_PROF, &wrapper.itimer );
vlc_mutex_init( &wrapper.lock );
vlc_cond_init( &wrapper.wait );
vlc_mutex_lock( &wrapper.lock );
/* Alter user-passed data so that we call the wrapper instead
* of the real function */
p_data = &wrapper;
func = vlc_thread_wrapper;
#endif
#if defined( PTH_INIT_IN_PTH_H )
*p_thread = pth_spawn( PTH_ATTR_DEFAULT, func, p_data );
i_ret = ( p_thread == NULL );
#elif defined( ST_INIT_IN_ST_H )
*p_thread = st_thread_create( func, p_data, 1, 0 );
i_ret = ( p_thread == NULL );
#elif defined( WIN32 )
unsigned threadID;
/* When using the MSVCRT C library you have to use the _beginthreadex
* function instead of CreateThread, otherwise you'll end up with memory
* leaks and the signal functions not working */
*p_thread = (HANDLE)_beginthreadex( NULL, 0, (PTHREAD_START) func,
p_data, 0, &threadID );
i_ret = ( *p_thread ? 0 : 1 );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
i_ret = pthread_create( p_thread, NULL, func, p_data );
#elif defined( HAVE_CTHREADS_H )
*p_thread = cthread_fork( (cthread_fn_t)func, (any_t)p_data );
i_ret = 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
*p_thread = spawn_thread( (thread_func)func, psz_name,
B_NORMAL_PRIORITY, p_data );
i_ret = resume_thread( *p_thread );
#endif
#ifdef GPROF
if( i_ret == 0 )
{
vlc_cond_wait( &wrapper.wait, &wrapper.lock );
}
vlc_mutex_unlock( &wrapper.lock );
vlc_mutex_destroy( &wrapper.lock );
vlc_cond_destroy( &wrapper.wait );
#endif
if( i_ret == 0 )
{
intf_WarnMsg( 2, "thread info: %d (%s) has been created (%s:%d)",
*p_thread, psz_name, psz_file, i_line );
}
else
{
intf_ErrMsg( "thread error: %s couldn't be created at %s:%d (%s)",
psz_name, psz_file, i_line, strerror(i_ret) );
}
return i_ret;
}
/*****************************************************************************
* vlc_thread_exit: terminate a thread
*****************************************************************************/
static __inline__ void vlc_thread_exit( void )
{
#if defined( PTH_INIT_IN_PTH_H )
pth_exit( 0 );
#elif defined( ST_INIT_IN_ST_H )
int result;
st_thread_exit( &result );
#elif defined( WIN32 )
/* For now we don't close the thread handles (because of race conditions).
* Need to be looked at. */
_endthreadex(0);
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
pthread_exit( 0 );
#elif defined( HAVE_CTHREADS_H )
int result;
cthread_exit( &result );
#elif defined( HAVE_KERNEL_SCHEDULER_H )
exit_thread( 0 );
#endif
}
/*****************************************************************************
* vlc_thread_join: wait until a thread exits
*****************************************************************************/
#ifdef DEBUG
# define vlc_thread_join( THREAD ) \
_vlc_thread_join( __FILE__, __LINE__, THREAD )
#else
# define vlc_thread_join( THREAD ) \
_vlc_thread_join( "(unknown)", 0, THREAD )
#endif
static __inline__ void _vlc_thread_join( char * psz_file, int i_line,
vlc_thread_t thread )
{
int i_ret = 0;
#if defined( PTH_INIT_IN_PTH_H )
i_ret = pth_join( thread, NULL );
#elif defined( ST_INIT_IN_ST_H )
i_ret = st_thread_join( thread, NULL );
#elif defined( WIN32 )
WaitForSingleObject( thread, INFINITE );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
i_ret = pthread_join( thread, NULL );
#elif defined( HAVE_CTHREADS_H )
cthread_join( thread );
i_ret = 1;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
int32 exit_value;
wait_for_thread( thread, &exit_value );
#endif
if( i_ret )
{
intf_ErrMsg( "thread error: thread_join(%d) failed at %s:%d (%s)",
thread, psz_file, i_line, strerror(i_ret) );
}
else
{
intf_WarnMsg( 2, "thread info: %d has been joined (%s:%d)",
thread, psz_file, i_line );
}
}
#ifdef GPROF
static void *vlc_thread_wrapper( void *p_wrapper )
{
/* Put user data in thread-local variables */
void * p_data = ((wrapper_t*)p_wrapper)->p_data;
vlc_thread_func_t func = ((wrapper_t*)p_wrapper)->func;
/* Set the profile timer value */
setitimer( ITIMER_PROF, &((wrapper_t*)p_wrapper)->itimer, NULL );
/* Tell the calling thread that we don't need its data anymore */
vlc_mutex_lock( &((wrapper_t*)p_wrapper)->lock );
vlc_cond_signal( &((wrapper_t*)p_wrapper)->wait );
vlc_mutex_unlock( &((wrapper_t*)p_wrapper)->lock );
/* Call the real function */
return func( p_data );
}
#endif
include/threads_funcs.h 0 → 100644
View file @ 9d6920b9
/*****************************************************************************
* threads_funcs.h : threads implementation for the VideoLAN client
* This header provides a portable threads implementation.
*****************************************************************************
* Copyright (C) 1999, 2000 VideoLAN
* $Id: threads_funcs.h,v 1.1 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Jean-Marc Dressler <polux@via.ecp.fr>
* Samuel Hocevar <sam@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Function definitions
*****************************************************************************/
/*****************************************************************************
* vlc_threads_init: initialize threads system
*****************************************************************************/
static __inline__ int vlc_threads_init( void )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_init();
#elif defined( ST_INIT_IN_ST_H )
return st_init();
#elif defined( WIN32 )
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return 0;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
return 0;
#endif
}
/*****************************************************************************
* vlc_threads_end: stop threads system
*****************************************************************************/
static __inline__ int vlc_threads_end( void )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_kill();
#elif defined( ST_INIT_IN_ST_H )
return 0;
#elif defined( WIN32 )
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return 0;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
return 0;
#endif
}
/*****************************************************************************
* vlc_mutex_init: initialize a mutex
*****************************************************************************/
static __inline__ int vlc_mutex_init( vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_init( p_mutex );
#elif defined( ST_INIT_IN_ST_H )
*p_mutex = st_mutex_new();
return ( *p_mutex == NULL ) ? errno : 0;
#elif defined( WIN32 )
/* We use mutexes on WinNT/2K/XP because we can use the SignalObjectAndWait
* function and have a 100% correct vlc_cond_wait() implementation.
* As this function is not available on Win9x, we can use the faster
* CriticalSections */
if( (GetVersion() < 0x80000000) && !p_main->p_sys->b_fast_pthread )
{
/* We are running on NT/2K/XP, we can use SignalObjectAndWait */
p_mutex->mutex = CreateMutex( 0, FALSE, 0 );
return ( p_mutex->mutex ? 0 : 1 );
}
else
{
InitializeCriticalSection( &p_mutex->csection );
p_mutex->mutex = NULL;
return 0;
}
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
# if defined(DEBUG) && defined(SYS_LINUX)
/* Create error-checking mutex to detect threads problems more easily. */
pthread_mutexattr_t attr;
int i_result;
pthread_mutexattr_init( &attr );
pthread_mutexattr_setkind_np( &attr, PTHREAD_MUTEX_ERRORCHECK_NP );
i_result = pthread_mutex_init( p_mutex, &attr );
pthread_mutexattr_destroy( &attr );
return( i_result );
# endif
return pthread_mutex_init( p_mutex, NULL );
#elif defined( HAVE_CTHREADS_H )
mutex_init( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
/* check the arguments and whether it's already been initialized */
if( p_mutex == NULL )
{
return B_BAD_VALUE;
}
if( p_mutex->init == 9999 )
{
return EALREADY;
}
p_mutex->lock = create_sem( 1, "BeMutex" );
if( p_mutex->lock < B_NO_ERROR )
{
return( -1 );
}
p_mutex->init = 9999;
return B_OK;
#endif
}
/*****************************************************************************
* vlc_mutex_lock: lock a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_lock( P_MUTEX ) \
_vlc_mutex_lock( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_lock( P_MUTEX ) \
_vlc_mutex_lock( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_lock( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_acquire( p_mutex, TRUE, NULL );
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_lock( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
WaitForSingleObject( p_mutex->mutex, INFINITE );
}
else
{
EnterCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_lock( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_lock failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
mutex_lock( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
status_t err;
if( !p_mutex )
{
return B_BAD_VALUE;
}
if( p_mutex->init < 2000 )
{
return B_NO_INIT;
}
err = acquire_sem( p_mutex->lock );
return err;
#endif
}
/*****************************************************************************
* vlc_mutex_unlock: unlock a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_unlock( P_MUTEX ) \
_vlc_mutex_unlock( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_unlock( P_MUTEX ) \
_vlc_mutex_unlock( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_unlock( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_mutex_release( p_mutex );
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_unlock( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
ReleaseMutex( p_mutex->mutex );
}
else
{
LeaveCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_unlock( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_unlock failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
mutex_unlock( p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_mutex)
{
return B_BAD_VALUE;
}
if( p_mutex->init < 2000 )
{
return B_NO_INIT;
}
release_sem( p_mutex->lock );
return B_OK;
#endif
}
/*****************************************************************************
* vlc_mutex_destroy: destroy a mutex
*****************************************************************************/
#ifdef DEBUG
# define vlc_mutex_destroy( P_MUTEX ) \
_vlc_mutex_destroy( __FILE__, __LINE__, P_MUTEX )
#else
# define vlc_mutex_destroy( P_MUTEX ) \
_vlc_mutex_destroy( "(unknown)", 0, P_MUTEX )
#endif
static __inline__ int _vlc_mutex_destroy( char * psz_file, int i_line,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return 0;
#elif defined( ST_INIT_IN_ST_H )
return st_mutex_destroy( *p_mutex );
#elif defined( WIN32 )
if( p_mutex->mutex )
{
CloseHandle( p_mutex->mutex );
}
else
{
DeleteCriticalSection( &p_mutex->csection );
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_return = pthread_mutex_destroy( p_mutex );
if( i_return )
{
intf_ErrMsg( "thread %d error: mutex_destroy failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_return) );
}
return i_return;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( p_mutex->init == 9999 )
{
delete_sem( p_mutex->lock );
}
p_mutex->init = 0;
return B_OK;
#endif
}
/*****************************************************************************
* vlc_cond_init: initialize a condition
*****************************************************************************/
static __inline__ int vlc_cond_init( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_init( p_condvar );
#elif defined( ST_INIT_IN_ST_H )
*p_condvar = st_cond_new();
return ( *p_condvar == NULL ) ? errno : 0;
#elif defined( WIN32 )
/* initialise counter */
p_condvar->i_waiting_threads = 0;
/* Create an auto-reset event. */
p_condvar->signal = CreateEvent( NULL, /* no security */
FALSE, /* auto-reset event */
FALSE, /* non-signaled initially */
NULL ); /* unnamed */
return( !p_condvar->signal );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_init( p_condvar, NULL );
#elif defined( HAVE_CTHREADS_H )
/* condition_init() */
spin_lock_init( &p_condvar->lock );
cthread_queue_init( &p_condvar->queue );
p_condvar->name = 0;
p_condvar->implications = 0;
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init == 9999 )
{
return EALREADY;
}
p_condvar->thread = -1;
p_condvar->init = 9999;
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_signal: start a thread on condition completion
*****************************************************************************/
static __inline__ int vlc_cond_signal( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_notify( p_condvar, FALSE );
#elif defined( ST_INIT_IN_ST_H )
return st_cond_signal( *p_condvar );
#elif defined( WIN32 )
/* Release one waiting thread if one is available. */
/* For this trick to work properly, the vlc_cond_signal must be surrounded
* by a mutex. This will prevent another thread from stealing the signal */
PulseEvent( p_condvar->signal );
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_signal( p_condvar );
#elif defined( HAVE_CTHREADS_H )
/* condition_signal() */
if ( p_condvar->queue.head || p_condvar->implications )
{
cond_signal( (condition_t)p_condvar );
}
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
while( p_condvar->thread != -1 )
{
thread_info info;
if( get_thread_info(p_condvar->thread, &info) == B_BAD_VALUE )
{
return 0;
}
if( info.state != B_THREAD_SUSPENDED )
{
/* The waiting thread is not suspended so it could
* have been interrupted beetwen the unlock and the
* suspend_thread line. That is why we sleep a little
* before retesting p_condver->thread. */
snooze( 10000 );
}
else
{
/* Ok, we have to wake up that thread */
resume_thread( p_condvar->thread );
return 0;
}
}
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_broadcast: start all threads waiting on condition completion
*****************************************************************************/
/*
* FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME
* Only works with pthreads, you need to adapt it for others
* FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME FIXME
*/
static __inline__ int vlc_cond_broadcast( vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_notify( p_condvar, FALSE );
#elif defined( ST_INIT_IN_ST_H )
return st_cond_broadcast( p_condvar );
#elif defined( WIN32 )
/* Release all waiting threads. */
/* For this trick to work properly, the vlc_cond_signal must be surrounded
* by a mutex. This will prevent another thread from stealing the signal */
while( p_condvar->i_waiting_threads )
{
PulseEvent( p_condvar->signal );
Sleep( 1 ); /* deschedule the current thread */
}
return 0;
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
return pthread_cond_broadcast( p_condvar );
#elif defined( HAVE_CTHREADS_H )
/* condition_signal() */
if ( p_condvar->queue.head || p_condvar->implications )
{
cond_signal( (condition_t)p_condvar );
}
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
while( p_condvar->thread != -1 )
{
thread_info info;
if( get_thread_info(p_condvar->thread, &info) == B_BAD_VALUE )
{
return 0;
}
if( info.state != B_THREAD_SUSPENDED )
{
/* The waiting thread is not suspended so it could
* have been interrupted beetwen the unlock and the
* suspend_thread line. That is why we sleep a little
* before retesting p_condver->thread. */
snooze( 10000 );
}
else
{
/* Ok, we have to wake up that thread */
resume_thread( p_condvar->thread );
return 0;
}
}
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_wait: wait until condition completion
*****************************************************************************/
#ifdef DEBUG
# define vlc_cond_wait( P_COND, P_MUTEX ) \
_vlc_cond_wait( __FILE__, __LINE__, P_COND, P_MUTEX )
#else
# define vlc_cond_wait( P_COND, P_MUTEX ) \
_vlc_cond_wait( "(unknown)", 0, P_COND, P_MUTEX )
#endif
static __inline__ int _vlc_cond_wait( char * psz_file, int i_line,
vlc_cond_t *p_condvar,
vlc_mutex_t *p_mutex )
{
#if defined( PTH_INIT_IN_PTH_H )
return pth_cond_await( p_condvar, p_mutex, NULL );
#elif defined( ST_INIT_IN_ST_H )
int i_ret;
st_mutex_unlock( *p_mutex );
i_ret = st_cond_wait( *p_condvar );
st_mutex_lock( *p_mutex );
return i_ret;
#elif defined( WIN32 )
/* The ideal would be to use a function which atomically releases the
* mutex and initiate the waiting.
* Unfortunately only the SignalObjectAndWait function does this and it's
* only supported on WinNT/2K, furthermore it cannot take multiple
* events as parameters.
*
* The solution we use should however fulfill all our needs (even though
* it is not a correct pthreads implementation)
*/
int i_result;
p_condvar->i_waiting_threads ++;
if( p_mutex->mutex )
{
p_main->p_sys->SignalObjectAndWait( p_mutex->mutex, p_condvar->signal,
INFINITE, FALSE );
}
else
{
/* Release the mutex */
vlc_mutex_unlock( p_mutex );
i_result = WaitForSingleObject( p_condvar->signal, INFINITE);
p_condvar->i_waiting_threads --;
}
/* Reacquire the mutex before returning. */
vlc_mutex_lock( p_mutex );
return( i_result == WAIT_FAILED );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
#ifndef DEBUG
return pthread_cond_wait( p_condvar, p_mutex );
#else
/* In debug mode, timeout */
struct timeval now;
struct timespec timeout;
int i_result;
for( ; ; )
{
gettimeofday( &now, NULL );
timeout.tv_sec = now.tv_sec + THREAD_COND_TIMEOUT;
timeout.tv_nsec = now.tv_usec * 1000;
i_result = pthread_cond_timedwait( p_condvar, p_mutex, &timeout );
if( i_result == ETIMEDOUT )
{
intf_WarnMsg( 1, "thread %d warning: Possible deadlock detected in cond_wait at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
continue;
}
if( i_result )
{
intf_ErrMsg( "thread %d error: cond_wait failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
}
return( i_result );
}
#endif
#elif defined( HAVE_CTHREADS_H )
condition_wait( (condition_t)p_condvar, (mutex_t)p_mutex );
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
if( !p_condvar )
{
return B_BAD_VALUE;
}
if( !p_mutex )
{
return B_BAD_VALUE;
}
if( p_condvar->init < 2000 )
{
return B_NO_INIT;
}
/* The p_condvar->thread var is initialized before the unlock because
* it enables to identify when the thread is interrupted beetwen the
* unlock line and the suspend_thread line */
p_condvar->thread = find_thread( NULL );
vlc_mutex_unlock( p_mutex );
suspend_thread( p_condvar->thread );
p_condvar->thread = -1;
vlc_mutex_lock( p_mutex );
return 0;
#endif
}
/*****************************************************************************
* vlc_cond_destroy: destroy a condition
*****************************************************************************/
#ifdef DEBUG
# define vlc_cond_destroy( P_COND ) \
_vlc_cond_destroy( __FILE__, __LINE__, P_COND )
#else
# define vlc_cond_destroy( P_COND ) \
_vlc_cond_destroy( "(unknown)", 0, P_COND )
#endif
static __inline__ int _vlc_cond_destroy( char * psz_file, int i_line,
vlc_cond_t *p_condvar )
{
#if defined( PTH_INIT_IN_PTH_H )
return 0;
#elif defined( ST_INIT_IN_ST_H )
return st_cond_destroy( *p_condvar );
#elif defined( WIN32 )
return( !CloseHandle( p_condvar->signal ) );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
int i_result = pthread_cond_destroy( p_condvar );
if( i_result )
{
intf_ErrMsg( "thread %d error: cond_destroy failed at %s:%d (%s)",
pthread_self(), psz_file, i_line, strerror(i_result) );
}
return i_result;
#elif defined( HAVE_CTHREADS_H )
return 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
p_condvar->init = 0;
return 0;
#endif
}
/*****************************************************************************
* vlc_thread_create: create a thread
*****************************************************************************/
#ifdef DEBUG
# define vlc_thread_create( P_THREAD, PSZ_NAME, FUNC, P_DATA ) \
_vlc_thread_create( __FILE__, __LINE__, P_THREAD, PSZ_NAME, FUNC, P_DATA )
#else
# define vlc_thread_create( P_THREAD, PSZ_NAME, FUNC, P_DATA ) \
_vlc_thread_create( "(unknown)", 0, P_THREAD, PSZ_NAME, FUNC, P_DATA )
#endif
static __inline__ int _vlc_thread_create( char * psz_file, int i_line,
vlc_thread_t *p_thread,
char *psz_name,
vlc_thread_func_t func,
void *p_data )
{
int i_ret;
#ifdef GPROF
wrapper_t wrapper;
/* Initialize the wrapper structure */
wrapper.func = func;
wrapper.p_data = p_data;
getitimer( ITIMER_PROF, &wrapper.itimer );
vlc_mutex_init( &wrapper.lock );
vlc_cond_init( &wrapper.wait );
vlc_mutex_lock( &wrapper.lock );
/* Alter user-passed data so that we call the wrapper instead
* of the real function */
p_data = &wrapper;
func = vlc_thread_wrapper;
#endif
#if defined( PTH_INIT_IN_PTH_H )
*p_thread = pth_spawn( PTH_ATTR_DEFAULT, func, p_data );
i_ret = ( p_thread == NULL );
#elif defined( ST_INIT_IN_ST_H )
*p_thread = st_thread_create( func, p_data, 1, 0 );
i_ret = ( p_thread == NULL );
#elif defined( WIN32 )
unsigned threadID;
/* When using the MSVCRT C library you have to use the _beginthreadex
* function instead of CreateThread, otherwise you'll end up with memory
* leaks and the signal functions not working */
*p_thread = (HANDLE)_beginthreadex( NULL, 0, (PTHREAD_START) func,
p_data, 0, &threadID );
i_ret = ( *p_thread ? 0 : 1 );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
i_ret = pthread_create( p_thread, NULL, func, p_data );
#elif defined( HAVE_CTHREADS_H )
*p_thread = cthread_fork( (cthread_fn_t)func, (any_t)p_data );
i_ret = 0;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
*p_thread = spawn_thread( (thread_func)func, psz_name,
B_NORMAL_PRIORITY, p_data );
i_ret = resume_thread( *p_thread );
#endif
#ifdef GPROF
if( i_ret == 0 )
{
vlc_cond_wait( &wrapper.wait, &wrapper.lock );
}
vlc_mutex_unlock( &wrapper.lock );
vlc_mutex_destroy( &wrapper.lock );
vlc_cond_destroy( &wrapper.wait );
#endif
if( i_ret == 0 )
{
intf_WarnMsg( 2, "thread info: %d (%s) has been created (%s:%d)",
*p_thread, psz_name, psz_file, i_line );
}
else
{
intf_ErrMsg( "thread error: %s couldn't be created at %s:%d (%s)",
psz_name, psz_file, i_line, strerror(i_ret) );
}
return i_ret;
}
/*****************************************************************************
* vlc_thread_exit: terminate a thread
*****************************************************************************/
static __inline__ void vlc_thread_exit( void )
{
#if defined( PTH_INIT_IN_PTH_H )
pth_exit( 0 );
#elif defined( ST_INIT_IN_ST_H )
int result;
st_thread_exit( &result );
#elif defined( WIN32 )
/* For now we don't close the thread handles (because of race conditions).
* Need to be looked at. */
_endthreadex(0);
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
pthread_exit( 0 );
#elif defined( HAVE_CTHREADS_H )
int result;
cthread_exit( &result );
#elif defined( HAVE_KERNEL_SCHEDULER_H )
exit_thread( 0 );
#endif
}
/*****************************************************************************
* vlc_thread_join: wait until a thread exits
*****************************************************************************/
#ifdef DEBUG
# define vlc_thread_join( THREAD ) \
_vlc_thread_join( __FILE__, __LINE__, THREAD )
#else
# define vlc_thread_join( THREAD ) \
_vlc_thread_join( "(unknown)", 0, THREAD )
#endif
static __inline__ void _vlc_thread_join( char * psz_file, int i_line,
vlc_thread_t thread )
{
int i_ret = 0;
#if defined( PTH_INIT_IN_PTH_H )
i_ret = pth_join( thread, NULL );
#elif defined( ST_INIT_IN_ST_H )
i_ret = st_thread_join( thread, NULL );
#elif defined( WIN32 )
WaitForSingleObject( thread, INFINITE );
#elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
i_ret = pthread_join( thread, NULL );
#elif defined( HAVE_CTHREADS_H )
cthread_join( thread );
i_ret = 1;
#elif defined( HAVE_KERNEL_SCHEDULER_H )
int32 exit_value;
wait_for_thread( thread, &exit_value );
#endif
if( i_ret )
{
intf_ErrMsg( "thread error: thread_join(%d) failed at %s:%d (%s)",
thread, psz_file, i_line, strerror(i_ret) );
}
else
{
intf_WarnMsg( 2, "thread info: %d has been joined (%s:%d)",
thread, psz_file, i_line );
}
}
/*****************************************************************************
* vlc_thread_wrapper: wrapper around thread functions used when profiling.
*****************************************************************************/
#ifdef GPROF
static void *vlc_thread_wrapper( void *p_wrapper )
{
/* Put user data in thread-local variables */
void * p_data = ((wrapper_t*)p_wrapper)->p_data;
vlc_thread_func_t func = ((wrapper_t*)p_wrapper)->func;
/* Set the profile timer value */
setitimer( ITIMER_PROF, &((wrapper_t*)p_wrapper)->itimer, NULL );
/* Tell the calling thread that we don't need its data anymore */
vlc_mutex_lock( &((wrapper_t*)p_wrapper)->lock );
vlc_cond_signal( &((wrapper_t*)p_wrapper)->wait );
vlc_mutex_unlock( &((wrapper_t*)p_wrapper)->lock );
/* Call the real function */
return func( p_data );
}
#endif
include/videolan/vlc.h
View file @ 9d6920b9
......@@ -2,7 +2,7 @@
* vlc.h: global header for vlc
*****************************************************************************
* Copyright (C) 1998, 1999, 2000 VideoLAN
* $Id: vlc.h,v 1.8 2002/04/25 21:52:42 sam Exp $
* $Id: vlc.h,v 1.9 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@via.ecp.fr>
* Vincent Seguin <seguin@via.ecp.fr>
......@@ -45,7 +45,7 @@
# include "main.h"
# include "configuration.h"
# include "threads_funcs.h"
#endif
int main( int i_argc, char *ppsz_argv[], char *ppsz_env[] );
src/interface/main.c
View file @ 9d6920b9
......@@ -4,7 +4,7 @@
* and spawn threads.
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
* $Id: main.c,v 1.188 2002/04/25 21:52:42 sam Exp $
* $Id: main.c,v 1.189 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
......@@ -428,7 +428,6 @@ static module_config_t p_help_config[] =
* Global variables - these are the only ones, see main.h and modules.h
*****************************************************************************/
main_t *p_main;
p_main_sys_t p_main_sys;
module_bank_t *p_module_bank;
input_bank_t *p_input_bank;
aout_bank_t *p_aout_bank;
......
src/misc/modules_plugin.h
View file @ 9d6920b9
......@@ -2,7 +2,7 @@
* modules_plugin.h : Plugin management functions used by the core application.
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: modules_plugin.h,v 1.21 2002/04/25 21:52:42 sam Exp $
* $Id: modules_plugin.h,v 1.22 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
......@@ -183,7 +183,6 @@ module_error( char *psz_buffer )
*****************************************************************************/
#define STORE_SYMBOLS( p_symbols ) \
(p_symbols)->p_main = p_main; \
(p_symbols)->p_main_sys = p_main_sys; \
(p_symbols)->p_module_bank = p_module_bank; \
(p_symbols)->p_input_bank = p_input_bank; \
(p_symbols)->p_aout_bank = p_aout_bank; \
......
src/misc/win32_specific.c
View file @ 9d6920b9
......@@ -2,7 +2,7 @@
* win32_specific.c: Win32 specific features
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: win32_specific.c,v 1.6 2002/04/02 23:43:57 gbazin Exp $
* $Id: win32_specific.c,v 1.7 2002/04/27 22:11:22 gbazin Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -40,17 +40,17 @@ void system_Init( int *pi_argc, char *ppsz_argv[], char *ppsz_env[] )
HINSTANCE hInstLib;
/* Allocate structure */
p_main_sys = malloc( sizeof( main_sys_t ) );
if( p_main_sys == NULL )
p_main->p_sys = malloc( sizeof( main_sys_t ) );
if( p_main->p_sys == NULL )
{
intf_ErrMsg( "init error: can't create p_main_sys (%s)",
intf_ErrMsg( "init error: can't create p_main->p_sys (%s)",
strerror(ENOMEM) );
exit(-1);
}
/* dynamically get the address of SignalObjectAndWait */
hInstLib = LoadLibrary( "kernel32" );
p_main_sys->SignalObjectAndWait =
p_main->p_sys->SignalObjectAndWait =
(SIGNALOBJECTANDWAIT)GetProcAddress( hInstLib, "SignalObjectAndWait" );
/* WinSock Library Init. */
......@@ -69,7 +69,7 @@ void system_Init( int *pi_argc, char *ppsz_argv[], char *ppsz_env[] )
*****************************************************************************/
void system_Configure( void )
{
p_main_sys->b_fast_pthread = config_GetIntVariable( "fast_pthread" );
p_main->p_sys->b_fast_pthread = config_GetIntVariable( "fast_pthread" );
}
/*****************************************************************************
......
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