- #endif
- SHORTLOCK( &glThreadListLock );
-
- // - Remove from active list
- us = Threads_RemActive();
- us->Next = NULL;
- // - Mark as sleeping
- us->Status = THREAD_STAT_SEMAPHORESLEEP;
- us->WaitPointer = Sem;
- us->RetStatus = MaxToTake; // Use RetStatus as a temp variable
-
- // - Add to waiting
- if(Sem->LastWaiting) {
- Sem->LastWaiting->Next = us;
- Sem->LastWaiting = us;
- }
- else {
- Sem->Waiting = us;
- Sem->LastWaiting = us;
- }
-
- #if DEBUG_TRACE_STATE || SEMAPHORE_DEBUG
- Log("%p (%i %s) waiting on semaphore %p %s:%s",
- us, us->TID, us->ThreadName,
- Sem, Sem->ModName, Sem->Name);
- #endif
- SHORTREL( &Sem->Protector );
- SHORTREL( &glThreadListLock );
- // NOTE: This can break in SMP
- // Sleep until woken (either by getting what we need, or a timer event)
- Threads_int_WaitForStatusEnd( THREAD_STAT_SEMAPHORESLEEP );
- // We're only woken when there's something avaliable (or a signal arrives)
- #if DEBUG_TRACE_STATE || SEMAPHORE_DEBUG
- Log("Semaphore %p %s:%s woken from wait", Sem, Sem->ModName, Sem->Name);
- #endif
- us->WaitPointer = NULL;
-
- taken = us->RetStatus;