void LockLeave(void* Handle)
{
lock_t *lock = (lock_t *)Handle;
if (lock && --lock->Counter == 0)
{
lock->Thread = 0;
RMutex p;
p.SetHandle(lock->Handle);
p.Signal();
}
}
/* Unlock the mutex */
int SDL_mutexV(SDL_mutex *mutex)
{
if ( mutex == NULL ) {
SDL_SetError("Passed a NULL mutex");
return -1;
}
RMutex rmutex;
rmutex.SetHandle(mutex->handle);
rmutex.Signal();
return(0);
}
void LockDelete(void* Handle)
{
lock_t *lock = (lock_t *)Handle;
if (lock)
{
RMutex p;
p.SetHandle(lock->Handle);
p.Close();
free(lock);
}
}
/* Free the mutex */
void SDL_DestroyMutex(SDL_mutex *mutex)
{
if ( mutex )
{
RMutex rmutex;
rmutex.SetHandle(mutex->handle);
rmutex.Signal();
rmutex.Close();
delete(mutex);
mutex = NULL;
}
}
bool_t ConditionWait(void* Handle,int Tick,void* Lock)
{
RCondVar p;
RMutex m;
p.SetHandle((int)Handle);
m.SetHandle((int)Lock);
// Increase the tick by one to mimic other platforms
// which is -1 = Wait forever, 0 = Return
// For Symbian, 0 = Wait forever
Tick++;
return p.TimedWait(m, Tick*1000) == KErrNone;
}
/* Free the mutex */
void SDL_DestroyMutex(SDL_mutex *mutex)
{
if ( mutex )
{
RMutex rmutex;
rmutex.SetHandle(mutex->handle);
if(rmutex.IsHeld())
{
rmutex.Signal();
}
rmutex.Close();
EpocSdlEnv::RemoveCleanupItem(mutex);
delete(mutex);
mutex = NULL;
}
}
void LockEnter(void* Handle)
{
lock_t *lock = (lock_t *)Handle;
if (lock)
{
RThread current;
TUint currentId = current.Id();
if (lock->Thread == currentId)
++lock->Counter;
else
{
RMutex p;
p.SetHandle(lock->Handle);
p.Wait();
assert(lock->Counter==0);
lock->Counter = 1;
lock->Thread = currentId;
}
}
}
void LockLeave(void* Handle)
{
RMutex p;
p.SetHandle((int)Handle);
p.Signal();
}
void LockEnter(void* Handle)
{
RMutex p;
p.SetHandle((int)Handle);
p.Wait();
}
void LockDelete(void* Handle)
{
RMutex p;
p.SetHandle((int)Handle);
p.Close();
}
