void vlc_sem_wait (vlc_sem_t *sem)
{
ULONG rc;
do
{
vlc_testcancel ();
DosRequestMutexSem(sem->wait_mutex, SEM_INDEFINITE_WAIT);
rc = vlc_WaitForSingleObject (sem->hev, SEM_INDEFINITE_WAIT );
if (!rc)
{
DosRequestMutexSem(sem->count_mutex, SEM_INDEFINITE_WAIT);
sem->count--;
if (sem->count == 0)
{
ULONG ulPost;
DosResetEventSem(sem->hev, &ulPost);
}
DosReleaseMutexSem(sem->count_mutex);
}
DosReleaseMutexSem(sem->wait_mutex);
} while (rc == ERROR_INTERRUPT);
}
void vlc_join (vlc_thread_t th, void **result)
{
do
vlc_testcancel ();
while (vlc_WaitForSingleObject (th->id, INFINITE) == WAIT_IO_COMPLETION);
if (result != NULL)
*result = th->data;
CloseHandle (th->id);
free (th);
}
void vlc_sem_wait (vlc_sem_t *sem)
{
DWORD result;
do
{
vlc_testcancel ();
result = vlc_WaitForSingleObject (*sem, INFINITE);
}
while (result == WAIT_IO_COMPLETION);
}
void vlc_join (vlc_thread_t th, void **result)
{
ULONG rc;
do
{
vlc_testcancel();
rc = vlc_WaitForSingleObject( th->done_event, SEM_INDEFINITE_WAIT );
} while( rc == ERROR_INTERRUPT );
if (result != NULL)
*result = th->data;
DosCloseEventSem( th->cancel_event );
DosCloseEventSem( th->done_event );
free( th );
}
int vlc_cond_timedwait (vlc_cond_t *p_condvar, vlc_mutex_t *p_mutex,
mtime_t deadline)
{
ULONG ulTimeout;
ULONG ulPost;
ULONG rc;
if (!p_condvar->hev)
{ /* FIXME FIXME FIXME */
msleep (50000);
return;
}
do
{
vlc_testcancel();
mtime_t total;
switch (p_condvar->clock)
{
case CLOCK_REALTIME: /* FIXME? sub-second precision */
total = CLOCK_FREQ * time (NULL);
break;
default:
assert (p_condvar->clock == CLOCK_MONOTONIC);
total = mdate();
break;
}
total = (deadline - total) / 1000;
if( total < 0 )
total = 0;
ulTimeout = ( total > 0x7fffffff ) ? 0x7fffffff : total;
vlc_mutex_unlock (p_mutex);
rc = vlc_WaitForSingleObject( p_condvar->hev, ulTimeout );
vlc_mutex_lock (p_mutex);
} while( rc == ERROR_INTERRUPT );
DosResetEventSem( p_condvar->hev, &ulPost );
return rc ? ETIMEDOUT : 0;
}
int vlc_cond_timedwait (vlc_cond_t *p_condvar, vlc_mutex_t *p_mutex,
mtime_t deadline)
{
DWORD result;
if (!p_condvar->handle)
{ /* FIXME FIXME FIXME */
msleep (50000);
return 0;
}
do
{
vlc_testcancel ();
mtime_t total;
switch (p_condvar->clock)
{
case CLOCK_REALTIME: /* FIXME? sub-second precision */
total = CLOCK_FREQ * time (NULL);
break;
default:
assert (p_condvar->clock == CLOCK_MONOTONIC);
total = mdate();
break;
}
total = (deadline - total) / 1000;
if( total < 0 )
total = 0;
DWORD delay = (total > 0x7fffffff) ? 0x7fffffff : total;
vlc_mutex_unlock (p_mutex);
result = vlc_WaitForSingleObject (p_condvar->handle, delay);
vlc_mutex_lock (p_mutex);
}
while (result == WAIT_IO_COMPLETION);
ResetEvent (p_condvar->handle);
return (result == WAIT_OBJECT_0) ? 0 : ETIMEDOUT;
}
void vlc_cond_wait (vlc_cond_t *p_condvar, vlc_mutex_t *p_mutex)
{
DWORD result;
if (!p_condvar->clock)
{ /* FIXME FIXME FIXME */
msleep (50000);
return;
}
do
{
vlc_testcancel ();
vlc_mutex_unlock (p_mutex);
result = vlc_WaitForSingleObject (p_condvar->handle, INFINITE);
vlc_mutex_lock (p_mutex);
}
while (result == WAIT_IO_COMPLETION);
ResetEvent (p_condvar->handle);
}
void vlc_cond_wait (vlc_cond_t *p_condvar, vlc_mutex_t *p_mutex)
{
ULONG ulPost;
ULONG rc;
if (!p_condvar->hev)
{ /* FIXME FIXME FIXME */
msleep (50000);
return;
}
do
{
vlc_testcancel();
vlc_mutex_unlock (p_mutex);
rc = vlc_WaitForSingleObject( p_condvar->hev, SEM_INDEFINITE_WAIT );
vlc_mutex_lock (p_mutex);
} while( rc == ERROR_INTERRUPT );
DosResetEventSem( p_condvar->hev, &ulPost );
}
