* Copyright 2008-2009, Stephan Aßmus <superstippi@gmx.de>
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef _SEMAPHORE_LOCKER_H
#define _SEMAPHORE_LOCKER_H
#include "AutoLocker.h"
class SemaphoreLocking {
public:
inline bool Lock(sem_id* lockable)
{
return acquire_sem(*lockable) == B_OK;
}
inline void Unlock(sem_id* lockable)
{
release_sem(*lockable);
}
};
class SemaphoreLocker : public AutoLocker<sem_id, SemaphoreLocking> {
public:
inline SemaphoreLocker(sem_id semaphore, bool alreadyLocked = false,
bool lockIfNotLocked = true)
:
AutoLocker<sem_id, SemaphoreLocking>(),
fSem(semaphore)
{
SetTo(&fSem, alreadyLocked, lockIfNotLocked);
}
private:
sem_id fSem;
};
#endif
