1 /*****************************************************************************
2 * threads.c : threads implementation for the VideoLAN client
3 *****************************************************************************
4 * Copyright (C) 1999-2007 the VideoLAN team
7 * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Gildas Bazin <gbazin@netcourrier.com>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
32 #define VLC_THREADS_UNINITIALIZED 0
33 #define VLC_THREADS_PENDING 1
34 #define VLC_THREADS_ERROR 2
35 #define VLC_THREADS_READY 3
37 /*****************************************************************************
38 * Global mutex for lazy initialization of the threads system
39 *****************************************************************************/
40 static volatile unsigned i_initializations = 0;
41 static volatile int i_status = VLC_THREADS_UNINITIALIZED;
42 static vlc_object_t *p_root;
44 #if defined( PTH_INIT_IN_PTH_H )
45 #elif defined( ST_INIT_IN_ST_H )
46 #elif defined( UNDER_CE )
47 #elif defined( WIN32 )
49 /* following is only available on NT/2000/XP and above */
50 static SIGNALOBJECTANDWAIT pf_SignalObjectAndWait = NULL;
53 ** On Windows NT/2K/XP we use a slow mutex implementation but which
54 ** allows us to correctly implement condition variables.
55 ** You can also use the faster Win9x implementation but you might
56 ** experience problems with it.
58 static vlc_bool_t b_fast_mutex = VLC_FALSE;
60 ** On Windows 9x/Me you can use a fast but incorrect condition variables
61 ** implementation (more precisely there is a possibility for a race
62 ** condition to happen).
63 ** However it is possible to use slower alternatives which are more robust.
64 ** Currently you can choose between implementation 0 (which is the
65 ** fastest but slightly incorrect), 1 (default) and 2.
67 static int i_win9x_cv = 1;
69 #elif defined( HAVE_KERNEL_SCHEDULER_H )
70 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
71 static pthread_mutex_t once_mutex = PTHREAD_MUTEX_INITIALIZER;
72 #elif defined( HAVE_CTHREADS_H )
75 vlc_threadvar_t msg_context_global_key;
77 /*****************************************************************************
78 * vlc_threads_init: initialize threads system
79 *****************************************************************************
80 * This function requires lazy initialization of a global lock in order to
81 * keep the library really thread-safe. Some architectures don't support this
82 * and thus do not guarantee the complete reentrancy.
83 *****************************************************************************/
84 int __vlc_threads_init( vlc_object_t *p_this )
86 libvlc_global_data_t *p_libvlc_global = (libvlc_global_data_t *)p_this;
87 int i_ret = VLC_SUCCESS;
89 /* If we have lazy mutex initialization, use it. Otherwise, we just
90 * hope nothing wrong happens. */
91 #if defined( PTH_INIT_IN_PTH_H )
92 #elif defined( ST_INIT_IN_ST_H )
93 #elif defined( UNDER_CE )
94 #elif defined( WIN32 )
95 if( IsDebuggerPresent() )
97 /* SignalObjectAndWait() is problematic under a debugger */
98 b_fast_mutex = VLC_TRUE;
101 #elif defined( HAVE_KERNEL_SCHEDULER_H )
102 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
103 pthread_mutex_lock( &once_mutex );
104 #elif defined( HAVE_CTHREADS_H )
107 if( i_status == VLC_THREADS_UNINITIALIZED )
109 i_status = VLC_THREADS_PENDING;
111 /* We should be safe now. Do all the initialization stuff we want. */
112 p_libvlc_global->b_ready = VLC_FALSE;
114 #if defined( PTH_INIT_IN_PTH_H )
115 i_ret = ( pth_init() == FALSE );
117 #elif defined( ST_INIT_IN_ST_H )
120 #elif defined( UNDER_CE )
121 /* Nothing to initialize */
123 #elif defined( WIN32 )
124 /* Dynamically get the address of SignalObjectAndWait */
125 if( GetVersion() < 0x80000000 )
129 /* We are running on NT/2K/XP, we can use SignalObjectAndWait */
130 hInstLib = LoadLibrary( "kernel32" );
133 pf_SignalObjectAndWait =
134 (SIGNALOBJECTANDWAIT)GetProcAddress( hInstLib,
135 "SignalObjectAndWait" );
139 #elif defined( HAVE_KERNEL_SCHEDULER_H )
140 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
141 #elif defined( HAVE_CTHREADS_H )
144 p_root = vlc_object_create( p_libvlc_global, VLC_OBJECT_GLOBAL );
150 i_status = VLC_THREADS_ERROR;
155 i_status = VLC_THREADS_READY;
158 vlc_threadvar_create( p_root, &msg_context_global_key );
162 /* Just increment the initialization count */
166 /* If we have lazy mutex initialization support, unlock the mutex;
167 * otherwize, do a naive wait loop. */
168 #if defined( PTH_INIT_IN_PTH_H )
169 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
170 #elif defined( ST_INIT_IN_ST_H )
171 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
172 #elif defined( UNDER_CE )
173 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
174 #elif defined( WIN32 )
175 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
176 #elif defined( HAVE_KERNEL_SCHEDULER_H )
177 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
178 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
179 pthread_mutex_unlock( &once_mutex );
180 #elif defined( HAVE_CTHREADS_H )
181 while( i_status == VLC_THREADS_PENDING ) msleep( THREAD_SLEEP );
184 if( i_status != VLC_THREADS_READY )
192 /*****************************************************************************
193 * vlc_threads_end: stop threads system
194 *****************************************************************************
195 * FIXME: This function is far from being threadsafe.
196 *****************************************************************************/
197 int __vlc_threads_end( vlc_object_t *p_this )
200 #if defined( PTH_INIT_IN_PTH_H )
201 #elif defined( ST_INIT_IN_ST_H )
202 #elif defined( UNDER_CE )
203 #elif defined( WIN32 )
204 #elif defined( HAVE_KERNEL_SCHEDULER_H )
205 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
206 pthread_mutex_lock( &once_mutex );
207 #elif defined( HAVE_CTHREADS_H )
210 if( i_initializations == 0 )
214 if( i_initializations == 0 )
216 i_status = VLC_THREADS_UNINITIALIZED;
217 vlc_object_destroy( p_root );
220 #if defined( PTH_INIT_IN_PTH_H )
221 if( i_initializations == 0 )
223 return ( pth_kill() == FALSE );
226 #elif defined( ST_INIT_IN_ST_H )
227 #elif defined( UNDER_CE )
228 #elif defined( WIN32 )
229 #elif defined( HAVE_KERNEL_SCHEDULER_H )
230 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
231 pthread_mutex_unlock( &once_mutex );
232 #elif defined( HAVE_CTHREADS_H )
237 /*****************************************************************************
238 * vlc_mutex_init: initialize a mutex
239 *****************************************************************************/
240 int __vlc_mutex_init( vlc_object_t *p_this, vlc_mutex_t *p_mutex )
242 p_mutex->p_this = p_this;
244 #if defined( PTH_INIT_IN_PTH_H )
245 return ( pth_mutex_init( &p_mutex->mutex ) == FALSE );
247 #elif defined( ST_INIT_IN_ST_H )
248 p_mutex->mutex = st_mutex_new();
249 return ( p_mutex->mutex == NULL ) ? errno : 0;
251 #elif defined( UNDER_CE )
252 InitializeCriticalSection( &p_mutex->csection );
255 #elif defined( WIN32 )
256 /* We use mutexes on WinNT/2K/XP because we can use the SignalObjectAndWait
257 * function and have a 100% correct vlc_cond_wait() implementation.
258 * As this function is not available on Win9x, we can use the faster
259 * CriticalSections */
260 if( pf_SignalObjectAndWait && !b_fast_mutex )
262 /* We are running on NT/2K/XP, we can use SignalObjectAndWait */
263 p_mutex->mutex = CreateMutex( 0, FALSE, 0 );
264 return ( p_mutex->mutex != NULL ? 0 : 1 );
268 p_mutex->mutex = NULL;
269 InitializeCriticalSection( &p_mutex->csection );
273 #elif defined( HAVE_KERNEL_SCHEDULER_H )
274 /* check the arguments and whether it's already been initialized */
275 if( p_mutex == NULL )
280 if( p_mutex->init == 9999 )
285 p_mutex->lock = create_sem( 1, "BeMutex" );
286 if( p_mutex->lock < B_NO_ERROR )
291 p_mutex->init = 9999;
294 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
295 # if defined(DEBUG) && defined(SYS_LINUX)
297 /* Create error-checking mutex to detect problems more easily. */
298 pthread_mutexattr_t attr;
301 pthread_mutexattr_init( &attr );
302 pthread_mutexattr_setkind_np( &attr, PTHREAD_MUTEX_ERRORCHECK_NP );
303 i_result = pthread_mutex_init( &p_mutex->mutex, &attr );
304 pthread_mutexattr_destroy( &attr );
308 return pthread_mutex_init( &p_mutex->mutex, NULL );
310 #elif defined( HAVE_CTHREADS_H )
311 mutex_init( p_mutex );
317 /*****************************************************************************
318 * vlc_mutex_destroy: destroy a mutex, inner version
319 *****************************************************************************/
320 int __vlc_mutex_destroy( const char * psz_file, int i_line, vlc_mutex_t *p_mutex )
323 /* In case of error : */
325 const char * psz_error = "";
327 #if defined( PTH_INIT_IN_PTH_H )
330 #elif defined( ST_INIT_IN_ST_H )
331 i_result = st_mutex_destroy( p_mutex->mutex );
333 #elif defined( UNDER_CE )
334 DeleteCriticalSection( &p_mutex->csection );
337 #elif defined( WIN32 )
340 CloseHandle( p_mutex->mutex );
344 DeleteCriticalSection( &p_mutex->csection );
348 #elif defined( HAVE_KERNEL_SCHEDULER_H )
349 if( p_mutex->init == 9999 )
351 delete_sem( p_mutex->lock );
357 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
358 i_result = pthread_mutex_destroy( &p_mutex->mutex );
361 i_thread = CAST_PTHREAD_TO_INT(pthread_self());
362 psz_error = strerror(i_result);
365 #elif defined( HAVE_CTHREADS_H )
372 msg_Err( p_mutex->p_this,
373 "thread %d: mutex_destroy failed at %s:%d (%d:%s)",
374 i_thread, psz_file, i_line, i_result, psz_error );
379 /*****************************************************************************
380 * vlc_cond_init: initialize a condition
381 *****************************************************************************/
382 int __vlc_cond_init( vlc_object_t *p_this, vlc_cond_t *p_condvar )
384 p_condvar->p_this = p_this;
386 #if defined( PTH_INIT_IN_PTH_H )
387 return ( pth_cond_init( &p_condvar->cond ) == FALSE );
389 #elif defined( ST_INIT_IN_ST_H )
390 p_condvar->cond = st_cond_new();
391 return ( p_condvar->cond == NULL ) ? errno : 0;
393 #elif defined( UNDER_CE )
394 /* Initialize counter */
395 p_condvar->i_waiting_threads = 0;
397 /* Create an auto-reset event. */
398 p_condvar->event = CreateEvent( NULL, /* no security */
399 FALSE, /* auto-reset event */
400 FALSE, /* start non-signaled */
401 NULL ); /* unnamed */
402 return !p_condvar->event;
404 #elif defined( WIN32 )
405 /* Initialize counter */
406 p_condvar->i_waiting_threads = 0;
409 p_condvar->i_win9x_cv = i_win9x_cv;
410 p_condvar->SignalObjectAndWait = pf_SignalObjectAndWait;
412 if( (p_condvar->SignalObjectAndWait && !b_fast_mutex)
413 || p_condvar->i_win9x_cv == 0 )
415 /* Create an auto-reset event. */
416 p_condvar->event = CreateEvent( NULL, /* no security */
417 FALSE, /* auto-reset event */
418 FALSE, /* start non-signaled */
419 NULL ); /* unnamed */
421 p_condvar->semaphore = NULL;
422 return !p_condvar->event;
426 p_condvar->semaphore = CreateSemaphore( NULL, /* no security */
427 0, /* initial count */
428 0x7fffffff, /* max count */
429 NULL ); /* unnamed */
431 if( p_condvar->i_win9x_cv == 1 )
432 /* Create a manual-reset event initially signaled. */
433 p_condvar->event = CreateEvent( NULL, TRUE, TRUE, NULL );
435 /* Create a auto-reset event. */
436 p_condvar->event = CreateEvent( NULL, FALSE, FALSE, NULL );
438 InitializeCriticalSection( &p_condvar->csection );
440 return !p_condvar->semaphore || !p_condvar->event;
443 #elif defined( HAVE_KERNEL_SCHEDULER_H )
449 if( p_condvar->init == 9999 )
454 p_condvar->thread = -1;
455 p_condvar->init = 9999;
458 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
459 return pthread_cond_init( &p_condvar->cond, NULL );
461 #elif defined( HAVE_CTHREADS_H )
462 /* condition_init() */
463 spin_lock_init( &p_condvar->lock );
464 cthread_queue_init( &p_condvar->queue );
466 p_condvar->implications = 0;
473 /*****************************************************************************
474 * vlc_cond_destroy: destroy a condition, inner version
475 *****************************************************************************/
476 int __vlc_cond_destroy( const char * psz_file, int i_line, vlc_cond_t *p_condvar )
479 /* In case of error : */
481 const char * psz_error = "";
483 #if defined( PTH_INIT_IN_PTH_H )
486 #elif defined( ST_INIT_IN_ST_H )
487 i_result = st_cond_destroy( p_condvar->cond );
489 #elif defined( UNDER_CE )
490 i_result = !CloseHandle( p_condvar->event );
492 #elif defined( WIN32 )
493 if( !p_condvar->semaphore )
494 i_result = !CloseHandle( p_condvar->event );
496 i_result = !CloseHandle( p_condvar->event )
497 || !CloseHandle( p_condvar->semaphore );
499 if( p_condvar->semaphore != NULL )
500 DeleteCriticalSection( &p_condvar->csection );
502 #elif defined( HAVE_KERNEL_SCHEDULER_H )
506 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
507 i_result = pthread_cond_destroy( &p_condvar->cond );
510 i_thread = CAST_PTHREAD_TO_INT(pthread_self());
511 psz_error = strerror(i_result);
514 #elif defined( HAVE_CTHREADS_H )
521 msg_Err( p_condvar->p_this,
522 "thread %d: cond_destroy failed at %s:%d (%d:%s)",
523 i_thread, psz_file, i_line, i_result, psz_error );
528 /*****************************************************************************
529 * vlc_tls_create: create a thread-local variable
530 *****************************************************************************/
531 int __vlc_threadvar_create( vlc_object_t *p_this, vlc_threadvar_t *p_tls )
535 #if defined( PTH_INIT_IN_PTH_H )
536 i_ret = pth_key_create( &p_tls->handle, NULL );
537 #elif defined( HAVE_KERNEL_SCHEDULER_H )
538 msg_Err( p_this, "TLS not implemented" );
540 #elif defined( ST_INIT_IN_ST_H )
541 i_ret = st_key_create( &p_tls->handle, NULL );
542 #elif defined( UNDER_CE ) || defined( WIN32 )
543 #elif defined( WIN32 )
544 p_tls->handle = TlsAlloc();
545 i_ret = !( p_tls->handle == 0xFFFFFFFF );
547 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
548 i_ret = pthread_key_create( &p_tls->handle, NULL );
549 #elif defined( HAVE_CTHREADS_H )
550 i_ret = cthread_keycreate( &p_tls-handle );
555 #if defined( WIN32 ) || defined( UNDER_CE )
558 ** Use a wrapper function which will make sure that
559 ** thread handle is closed
561 struct _vlc_win32_init_thread_data {
562 void * ( *func ) (void * );
566 static unsigned WINAPI __vlc_win32_thread_start(void* p_data) {
567 struct _vlc_win32_init_thread_data *p_win32data =
568 (struct _vlc_win32_init_thread_data *)p_data;
569 vlc_object_t *p_this = (vlc_object_t *)p_win32data->p_data;
570 HANDLE hThread = (HANDLE)p_this->p_internals->thread_id;
571 void *retval = (*p_win32data->func)((LPVOID)p_this);
572 CloseHandle(hThread);
573 return (unsigned)retval;
578 /*****************************************************************************
579 * vlc_thread_create: create a thread, inner version
580 *****************************************************************************
581 * Note that i_priority is only taken into account on platforms supporting
582 * userland real-time priority threads.
583 *****************************************************************************/
584 int __vlc_thread_create( vlc_object_t *p_this, const char * psz_file, int i_line,
585 const char *psz_name, void * ( *func ) ( void * ),
586 int i_priority, vlc_bool_t b_wait )
589 void *p_data = (void *)p_this;
590 vlc_object_internals_t *p_priv = p_this->p_internals;
591 #if defined( WIN32 ) || defined( UNDER_CE )
592 struct _vlc_win32_init_thread_data win32data = { func, p_data };
595 vlc_mutex_lock( &p_this->object_lock );
597 #if defined( PTH_INIT_IN_PTH_H )
598 p_priv->thread_id = pth_spawn( PTH_ATTR_DEFAULT, func, p_data );
599 i_ret = p_priv->thread_id == NULL;
601 #elif defined( ST_INIT_IN_ST_H )
602 p_priv->thread_id = st_thread_create( func, p_data, 1, 0 );
605 #elif defined( WIN32 ) || defined( UNDER_CE )
608 /* When using the MSVCRT C library you have to use the _beginthreadex
609 * function instead of CreateThread, otherwise you'll end up with
610 * memory leaks and the signal functions not working (see Microsoft
611 * Knowledge Base, article 104641) */
612 #if defined( UNDER_CE )
613 HANDLE hThread = CreateThread( NULL, 0, __vlc_win32_thread_start,
614 (LPVOID)&win32data, 0, &threadID );
616 uintptr_t hThread = _beginthreadex( NULL, 0, __vlc_win32_thread_start,
617 (void*)&win32data, 0, &threadID );
619 p_priv->thread_id = (HANDLE)hThread;
622 if( p_priv->thread_id && i_priority )
624 if( !SetThreadPriority(p_priv->thread_id, i_priority) )
626 msg_Warn( p_this, "couldn't set a faster priority" );
631 i_ret = ( p_priv->thread_id ? 0 : 1 );
633 #elif defined( HAVE_KERNEL_SCHEDULER_H )
634 p_priv->thread_id = spawn_thread( (thread_func)func, psz_name,
635 i_priority, p_data );
636 i_ret = resume_thread( p_priv->thread_id );
638 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
639 i_ret = pthread_create( &p_priv->thread_id, NULL, func, p_data );
642 if( config_GetInt( p_this, "rt-priority" ) )
645 int i_error, i_policy;
646 struct sched_param param;
648 memset( ¶m, 0, sizeof(struct sched_param) );
649 if( config_GetType( p_this, "rt-offset" ) )
651 i_priority += config_GetInt( p_this, "rt-offset" );
653 if( i_priority <= 0 )
655 param.sched_priority = (-1) * i_priority;
656 i_policy = SCHED_OTHER;
660 param.sched_priority = i_priority;
663 if( (i_error = pthread_setschedparam( p_priv->thread_id,
664 i_policy, ¶m )) )
666 msg_Warn( p_this, "couldn't set thread priority (%s:%d): %s",
667 psz_file, i_line, strerror(i_error) );
678 #elif defined( HAVE_CTHREADS_H )
679 p_priv->thread_id = cthread_fork( (cthread_fn_t)func, (any_t)p_data );
688 msg_Dbg( p_this, "waiting for thread completion" );
689 vlc_cond_wait( &p_this->object_wait, &p_this->object_lock );
692 p_priv->b_thread = VLC_TRUE;
694 msg_Dbg( p_this, "thread %u (%s) created at priority %d (%s:%d)",
695 (unsigned int)p_priv->thread_id, psz_name, i_priority,
698 vlc_mutex_unlock( &p_this->object_lock );
702 msg_Err( p_this, "%s thread could not be created at %s:%d (%s)",
703 psz_name, psz_file, i_line, strerror(i_ret) );
704 vlc_mutex_unlock( &p_this->object_lock );
710 /*****************************************************************************
711 * vlc_thread_set_priority: set the priority of the current thread when we
712 * couldn't set it in vlc_thread_create (for instance for the main thread)
713 *****************************************************************************/
714 int __vlc_thread_set_priority( vlc_object_t *p_this, const char * psz_file,
715 int i_line, int i_priority )
717 vlc_object_internals_t *p_priv = p_this->p_internals;
718 #if defined( PTH_INIT_IN_PTH_H ) || defined( ST_INIT_IN_ST_H )
719 #elif defined( WIN32 ) || defined( UNDER_CE )
720 if( !p_priv->thread_id )
721 p_priv->thread_id = GetCurrentThread();
722 if( !SetThreadPriority((HANDLE)p_priv->thread_id, i_priority) )
724 msg_Warn( p_this, "couldn't set a faster priority" );
728 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
730 if( config_GetInt( p_this, "rt-priority" ) > 0 )
733 int i_error, i_policy;
734 struct sched_param param;
736 memset( ¶m, 0, sizeof(struct sched_param) );
737 if( config_GetType( p_this, "rt-offset" ) )
739 i_priority += config_GetInt( p_this, "rt-offset" );
741 if( i_priority <= 0 )
743 param.sched_priority = (-1) * i_priority;
744 i_policy = SCHED_OTHER;
748 param.sched_priority = i_priority;
751 if( !p_priv->thread_id )
752 p_priv->thread_id = pthread_self();
753 if( (i_error = pthread_setschedparam( p_priv->thread_id,
754 i_policy, ¶m )) )
756 msg_Warn( p_this, "couldn't set thread priority (%s:%d): %s",
757 psz_file, i_line, strerror(i_error) );
766 /*****************************************************************************
767 * vlc_thread_ready: tell the parent thread we were successfully spawned
768 *****************************************************************************/
769 void __vlc_thread_ready( vlc_object_t *p_this )
771 vlc_mutex_lock( &p_this->object_lock );
772 vlc_cond_signal( &p_this->object_wait );
773 vlc_mutex_unlock( &p_this->object_lock );
776 /*****************************************************************************
777 * vlc_thread_join: wait until a thread exits, inner version
778 *****************************************************************************/
779 void __vlc_thread_join( vlc_object_t *p_this, const char * psz_file, int i_line )
781 vlc_object_internals_t *p_priv = p_this->p_internals;
784 #if defined( PTH_INIT_IN_PTH_H )
785 i_ret = ( pth_join( p_priv->thread_id, NULL ) == FALSE );
787 #elif defined( ST_INIT_IN_ST_H )
788 i_ret = st_thread_join( p_priv->thread_id, NULL );
790 #elif defined( UNDER_CE ) || defined( WIN32 )
792 BOOL (WINAPI *OurGetThreadTimes)( HANDLE, FILETIME*, FILETIME*,
793 FILETIME*, FILETIME* );
794 FILETIME create_ft, exit_ft, kernel_ft, user_ft;
795 int64_t real_time, kernel_time, user_time;
798 /* thread will destroy its own handle on exit, duplicate it here */
799 if( ! DuplicateHandle(GetCurrentProcess(),
800 (HANDLE)p_priv->thread_id,
805 DUPLICATE_SAME_ACCESS) )
807 msg_Err( p_this, "thread_join(%u) failed at %s:%d (%s)",
808 (unsigned int)p_priv->thread_id, psz_file, i_line,
810 p_priv->b_thread = VLC_FALSE;
814 WaitForSingleObject( hThread, INFINITE );
816 #if defined( UNDER_CE )
817 hmodule = GetModuleHandle( _T("COREDLL") );
819 hmodule = GetModuleHandle( _T("KERNEL32") );
821 OurGetThreadTimes = (BOOL (WINAPI*)( HANDLE, FILETIME*, FILETIME*,
822 FILETIME*, FILETIME* ))
823 GetProcAddress( hmodule, _T("GetThreadTimes") );
825 if( OurGetThreadTimes &&
826 OurGetThreadTimes( hThread,
827 &create_ft, &exit_ft, &kernel_ft, &user_ft ) )
830 ((((int64_t)exit_ft.dwHighDateTime)<<32)| exit_ft.dwLowDateTime) -
831 ((((int64_t)create_ft.dwHighDateTime)<<32)| create_ft.dwLowDateTime);
835 ((((int64_t)kernel_ft.dwHighDateTime)<<32)|
836 kernel_ft.dwLowDateTime) / 10;
839 ((((int64_t)user_ft.dwHighDateTime)<<32)|
840 user_ft.dwLowDateTime) / 10;
842 msg_Dbg( p_this, "thread times: "
843 "real "I64Fd"m%fs, kernel "I64Fd"m%fs, user "I64Fd"m%fs",
844 real_time/60/1000000,
845 (double)((real_time%(60*1000000))/1000000.0),
846 kernel_time/60/1000000,
847 (double)((kernel_time%(60*1000000))/1000000.0),
848 user_time/60/1000000,
849 (double)((user_time%(60*1000000))/1000000.0) );
851 CloseHandle( hThread );
853 #elif defined( HAVE_KERNEL_SCHEDULER_H )
855 wait_for_thread( p_priv->thread_id, &exit_value );
857 #elif defined( PTHREAD_COND_T_IN_PTHREAD_H )
858 i_ret = pthread_join( p_priv->thread_id, NULL );
860 #elif defined( HAVE_CTHREADS_H )
861 cthread_join( p_priv->thread_id );
868 msg_Err( p_this, "thread_join(%u) failed at %s:%d (%s)",
869 (unsigned int)p_priv->thread_id, psz_file, i_line,
874 msg_Dbg( p_this, "thread %u joined (%s:%d)",
875 (unsigned int)p_priv->thread_id, psz_file, i_line );
878 p_priv->b_thread = VLC_FALSE;