/* * Copyright 2001-2010, Haiku, Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _LOCKER_H #define _LOCKER_H #include <OS.h> class BLocker { public: BLocker(); BLocker(const char* name); BLocker(bool benaphoreStyle); BLocker(const char* name, bool benaphoreStyle); virtual ~BLocker(); status_t InitCheck() const; bool Lock(); status_t LockWithTimeout(bigtime_t timeout); void Unlock(); thread_id LockingThread() const; bool IsLocked() const; int32 CountLocks() const; int32 CountLockRequests() const; sem_id Sem() const; private: BLocker(const char* name, bool benaphoreStyle, bool _ignored); void InitLocker(const char* name, bool benaphoreStyle); bool AcquireLock(bigtime_t timeout, status_t* error); int32 fBenaphoreCount; sem_id fSemaphoreID; thread_id fLockOwner; int32 fRecursiveCount; int32 _reserved[4]; }; #endif // _LOCKER_H