X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_threads.h;h=2c1ca1b94d6296e3bbbf8f0a0e64403732eed12a;hb=1171979d73a6ddd4da292e772aa8d29d0e581996;hp=bf017f4720a9f95c82d383c2f27433c8bef1eb2f;hpb=dd4f2531ca3729b49ef5f9e992dbd3bd8a7328e6;p=vlc diff --git a/include/vlc_threads.h b/include/vlc_threads.h index bf017f4720..2c1ca1b94d 100644 --- a/include/vlc_threads.h +++ b/include/vlc_threads.h @@ -1,13 +1,14 @@ /***************************************************************************** - * threads.h : threads implementation for the VideoLAN client - * This header provides a portable threads implementation. + * vlc_threads.h : threads implementation for the VideoLAN client + * This header provides portable declarations for mutexes & conditions ***************************************************************************** - * Copyright (C) 1999, 2000 VideoLAN - * $Id: vlc_threads.h,v 1.4 2002/07/05 11:18:56 sam Exp $ + * Copyright (C) 1999, 2002 VideoLAN + * $Id: vlc_threads.h,v 1.31 2003/03/10 00:04:14 massiot Exp $ * * Authors: Jean-Marc Dressler * Samuel Hocevar * Gildas Bazin + * Christophe Massiot * * 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 @@ -27,7 +28,9 @@ #include #if defined(GPROF) || defined(DEBUG) -# include +# ifdef HAVE_SYS_TIME_H +# include +# endif #endif #if defined( PTH_INIT_IN_PTH_H ) /* GNU Pth */ @@ -36,8 +39,10 @@ #elif defined( ST_INIT_IN_ST_H ) /* State threads */ # include -#elif defined( WIN32 ) /* Win32 API */ -# include +#elif defined( UNDER_CE ) + /* WinCE API */ +#elif defined( WIN32 ) +# include /* Win32 API */ #elif defined( PTHREAD_COND_T_IN_PTHREAD_H ) /* pthreads (like Linux & BSD) */ # include @@ -63,29 +68,45 @@ /***************************************************************************** * Constants - ***************************************************************************** - * These constants are used by all threads in *_CreateThread() and - * *_DestroyThreads() functions. Since those calls are non-blocking, an integer - * value is used as a shared flag to represent the status of the thread. *****************************************************************************/ -/* Void status - this value can be used to make sure no operation is currently - * in progress on the concerned thread in an array of recorded threads */ -#define THREAD_NOP 0 /* nothing happened */ +/* Thread priorities */ +#ifdef SYS_DARWIN +# define VLC_THREAD_PRIORITY_LOW (-47) +# define VLC_THREAD_PRIORITY_INPUT 37 +# define VLC_THREAD_PRIORITY_AUDIO 37 +# define VLC_THREAD_PRIORITY_VIDEO (-47) +# define VLC_THREAD_PRIORITY_OUTPUT 37 + +#elif defined(WIN32) || defined(UNDER_CE) +/* Define different priorities for WinNT/2K/XP and Win9x/Me */ +# define VLC_THREAD_PRIORITY_LOW 0 +# define VLC_THREAD_PRIORITY_INPUT \ + (IS_WINNT ? THREAD_PRIORITY_TIME_CRITICAL : 0) +# define VLC_THREAD_PRIORITY_AUDIO \ + (IS_WINNT ? THREAD_PRIORITY_HIGHEST : 0) +# define VLC_THREAD_PRIORITY_VIDEO \ + (IS_WINNT ? 0 : THREAD_PRIORITY_BELOW_NORMAL ) +# define VLC_THREAD_PRIORITY_OUTPUT \ + (IS_WINNT ? THREAD_PRIORITY_ABOVE_NORMAL : 0) +# define VLC_THREAD_PRIORITY_HIGHEST \ + (IS_WINNT ? THREAD_PRIORITY_TIME_CRITICAL : 0) + +#elif defined(SYS_BEOS) +# define VLC_THREAD_PRIORITY_LOW 5 +# define VLC_THREAD_PRIORITY_INPUT 14 +# define VLC_THREAD_PRIORITY_AUDIO 13 +# define VLC_THREAD_PRIORITY_VIDEO 11 +# define VLC_THREAD_PRIORITY_OUTPUT 12 -/* Creation status */ -#define THREAD_CREATE 10 /* thread is initializing */ -#define THREAD_START 11 /* thread has forked */ -#define THREAD_READY 19 /* thread is ready */ - -/* Destructions status */ -#define THREAD_DESTROY 20 /* destruction order has been sent */ -#define THREAD_END 21 /* destruction order has been received */ -#define THREAD_OVER 29 /* thread does not exist any more */ +#else +# define VLC_THREAD_PRIORITY_LOW 0 +# define VLC_THREAD_PRIORITY_INPUT 0 +# define VLC_THREAD_PRIORITY_AUDIO 0 +# define VLC_THREAD_PRIORITY_VIDEO 0 +# define VLC_THREAD_PRIORITY_OUTPUT 0 -/* Error status */ -#define THREAD_ERROR 30 /* an error occured */ -#define THREAD_FATAL 31 /* an fatal error occured - program must end */ +#endif /***************************************************************************** * Type definitions @@ -93,15 +114,31 @@ #if defined( PTH_INIT_IN_PTH_H ) typedef pth_t vlc_thread_t; -typedef pth_mutex_t vlc_mutex_t; -typedef pth_cond_t vlc_cond_t; +typedef struct +{ + pth_mutex_t mutex; + vlc_object_t * p_this; +} vlc_mutex_t; +typedef struct +{ + pth_cond_t cond; + vlc_object_t * p_this; +} vlc_cond_t; #elif defined( ST_INIT_IN_ST_H ) -typedef st_thread_t * vlc_thread_t; -typedef st_mutex_t * vlc_mutex_t; -typedef st_cond_t * vlc_cond_t; +typedef st_thread_t vlc_thread_t; +typedef struct +{ + st_mutex_t mutex; + vlc_object_t * p_this; +} vlc_mutex_t; +typedef struct +{ + st_cond_t cond; + vlc_object_t * p_this; +} vlc_cond_t; -#elif defined( WIN32 ) +#elif defined( WIN32 ) || defined( UNDER_CE ) typedef HANDLE vlc_thread_t; typedef BOOL (WINAPI *SIGNALOBJECTANDWAIT) ( HANDLE, HANDLE, DWORD, BOOL ); typedef unsigned (__stdcall *PTHREAD_START) (void *); @@ -112,27 +149,39 @@ typedef struct HANDLE mutex; /* Win95/98/ME implementation */ CRITICAL_SECTION csection; + + vlc_object_t * p_this; } vlc_mutex_t; typedef struct { - int i_waiting_threads; + volatile int i_waiting_threads; /* WinNT/2K/XP implementation */ - HANDLE semaphore; - HANDLE signal; - vlc_bool_t b_broadcast; + HANDLE event; SIGNALOBJECTANDWAIT SignalObjectAndWait; /* Win95/98/ME implementation */ - HANDLE p_events[2]; + HANDLE semaphore; + CRITICAL_SECTION csection; + int i_win9x_cv; + + vlc_object_t * p_this; } vlc_cond_t; #elif defined( PTHREAD_COND_T_IN_PTHREAD_H ) -typedef pthread_t vlc_thread_t; -typedef pthread_mutex_t vlc_mutex_t; -typedef pthread_cond_t vlc_cond_t; +typedef pthread_t vlc_thread_t; +typedef struct +{ + pthread_mutex_t mutex; + vlc_object_t * p_this; +} vlc_mutex_t; +typedef struct +{ + pthread_cond_t cond; + vlc_object_t * p_this; +} vlc_cond_t; #elif defined( HAVE_CTHREADS_H ) -typedef cthread_t vlc_thread_t; +typedef cthread_t vlc_thread_t; /* Those structs are the ones defined in /include/cthreads.h but we need * to handle (&foo) where foo is a (mutex_t) while they handle (foo) where @@ -143,6 +192,8 @@ typedef struct spin_lock_t lock; char *name; struct cthread_queue queue; + + vlc_object_t * p_this; } vlc_mutex_t; typedef struct @@ -151,6 +202,8 @@ typedef struct struct cthread_queue queue; char *name; struct cond_imp *implications; + + vlc_object_t * p_this; } vlc_cond_t; #elif defined( HAVE_KERNEL_SCHEDULER_H ) @@ -164,523 +217,17 @@ typedef struct { int32 init; sem_id lock; + + vlc_object_t * p_this; } vlc_mutex_t; typedef struct { int32 init; thread_id thread; -} vlc_cond_t; - -#endif - -/***************************************************************************** - * Function definitions - *****************************************************************************/ -VLC_EXPORT( int, __vlc_threads_init, ( vlc_object_t * ) ); -VLC_EXPORT( int, vlc_threads_end, ( void ) ); -VLC_EXPORT( int, __vlc_mutex_init, ( vlc_object_t *, vlc_mutex_t * ) ); -VLC_EXPORT( int, __vlc_mutex_destroy, ( char *, int, vlc_mutex_t * ) ); -VLC_EXPORT( int, __vlc_cond_init, ( vlc_object_t *, vlc_cond_t * ) ); -VLC_EXPORT( int, __vlc_cond_destroy, ( char *, int, vlc_cond_t * ) ); -VLC_EXPORT( int, __vlc_thread_create, ( vlc_object_t *, char *, int, char *, void * ( * ) ( void * ), vlc_bool_t ) ); -VLC_EXPORT( void, __vlc_thread_ready, ( vlc_object_t * ) ); -VLC_EXPORT( void, __vlc_thread_join, ( vlc_object_t *, char *, int ) ); - -/***************************************************************************** - * vlc_threads_init: initialize threads system - *****************************************************************************/ -#define vlc_threads_init( P_THIS ) \ - __vlc_threads_init( CAST_TO_VLC_OBJECT(P_THIS) ) - -/***************************************************************************** - * vlc_mutex_init: initialize a mutex - *****************************************************************************/ -#define vlc_mutex_init( P_THIS, P_MUTEX ) \ - __vlc_mutex_init( CAST_TO_VLC_OBJECT(P_THIS), P_MUTEX ) - -/***************************************************************************** - * 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 ) - { -// msg_Err( "thread %d: 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 ) - { -// msg_Err( "thread %d: 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 - -/***************************************************************************** - * vlc_cond_init: initialize a condition - *****************************************************************************/ -#define vlc_cond_init( P_THIS, P_COND ) \ - __vlc_cond_init( CAST_TO_VLC_OBJECT(P_THIS), P_COND ) - -/***************************************************************************** - * 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 */ - if( p_condvar->i_waiting_threads ) - { - if( p_condvar->signal ) - { - ReleaseSemaphore( p_condvar->semaphore, 1, 0 ); - } - else - { - SetEvent( p_condvar->p_events[0/*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. */ - if( p_condvar->i_waiting_threads ) - { - if( p_condvar->signal ) - { - p_condvar->b_broadcast = 1; - /* This call is atomic */ - ReleaseSemaphore( p_condvar->semaphore, - p_condvar->i_waiting_threads, 0 ); - /* Wait for all threads to get the semaphore */ - WaitForSingleObject( p_condvar->signal, INFINITE ); - p_condvar->b_broadcast = 0; - } - else - { - SetEvent( p_condvar->p_events[1/*broadcast*/] ); - } - } - 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 ) - /* Increase our wait count */ - p_condvar->i_waiting_threads++; - - if( p_condvar->signal ) - { - /* It is only possible to atomically release the mutex and initiate the - * waiting on WinNT/2K/XP. Win9x doesn't have SignalObjectAndWait(). */ - p_condvar->SignalObjectAndWait( p_mutex->mutex, p_condvar->semaphore, - INFINITE, FALSE ); - /* XXX: we should protect i_waiting_threads with a mutex, but - * is it really worth it ? */ - p_condvar->i_waiting_threads--; - - if( p_condvar->b_broadcast - && p_condvar->i_waiting_threads == 0 ) - { - p_condvar->SignalObjectAndWait( p_condvar->signal, p_mutex->mutex, - INFINITE, FALSE ); - } - else - { - /* Just take back the lock */ - WaitForSingleObject( p_mutex->mutex, INFINITE ); - } - return 0; - } - else - { - int i_ret; - - /* Release the mutex, wait, and reacquire. */ - LeaveCriticalSection( &p_mutex->csection ); - i_ret = WaitForMultipleObjects( 2, p_condvar->p_events, - FALSE, INFINITE ); - EnterCriticalSection( &p_mutex->csection ); - - /* Decrease our wait count */ - p_condvar->i_waiting_threads--; - - /* If we are the last waiter and it was a broadcast signal, reset - * the broadcast event. */ - if( i_ret == WAIT_OBJECT_0 + 1/*broadcast*/ - && p_condvar->i_waiting_threads == 0 ) - { - ResetEvent( p_condvar->p_events[1/*broadcast*/] ); - } - - return( i_ret == WAIT_FAILED ); - } - -#elif defined( PTHREAD_COND_T_IN_PTHREAD_H ) - -# ifdef DEBUG - /* 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 ) - { -//X msg_Warn( "thread %d: possible deadlock detected " -//X "in cond_wait at %s:%d (%s)", pthread_self(), -//X psz_file, i_line, strerror(i_result) ); - continue; - } - - if( i_result ) - { -//X msg_Err( "thread %d: cond_wait failed at %s:%d (%s)", -//X pthread_self(), psz_file, i_line, strerror(i_result) ); - } - return( i_result ); - } -# else - return pthread_cond_wait( p_condvar, p_mutex ); -# 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_object_t * p_this; +} vlc_cond_t; -/***************************************************************************** - * 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 -/***************************************************************************** - * vlc_thread_create: create a thread - *****************************************************************************/ -# define vlc_thread_create( P_THIS, PSZ_NAME, FUNC, WAIT ) \ - __vlc_thread_create( CAST_TO_VLC_OBJECT(P_THIS), __FILE__, __LINE__, PSZ_NAME, (void * ( * ) ( void * ))FUNC, WAIT ) - -/***************************************************************************** - * vlc_thread_ready: tell the parent thread we were successfully spawned - *****************************************************************************/ -# define vlc_thread_ready( P_THIS ) \ - __vlc_thread_ready( CAST_TO_VLC_OBJECT(P_THIS) ) - -/***************************************************************************** - * vlc_thread_join: wait until a thread exits - *****************************************************************************/ -#ifdef DEBUG -# define vlc_thread_join( P_THIS ) \ - __vlc_thread_join( CAST_TO_VLC_OBJECT(P_THIS), __FILE__, __LINE__ ) -#else -# define vlc_thread_join( P_THIS ) \ - __vlc_thread_join( CAST_TO_VLC_OBJECT(P_THIS), "(unknown)", 0 ) -#endif