// // $Id: Locker.h 10 2002-07-09 12:24:59Z ejakowatz $ // // This is the BLocker interface for OpenBeOS. It has been created to // be source and binary compatible with the BeOS version of BLocker. // #ifndef _OPENBEOS_LOCKER_H #define _OPENBEOS_LOCKER_H #include #include #ifdef USE_OPENBEOS_NAMESPACE namespace OpenBeOS { #endif class BLocker { public: BLocker(); BLocker(const char *name); BLocker(bool benaphore_style); BLocker(const char *name, bool benaphore_style); // The following constructor is not documented in the BeBook // and is only listed here to ensure binary compatibility. // DO NOT USE THIS CONSTRUCTOR! BLocker(const char *name, bool benaphore_style, bool); virtual ~BLocker(); bool Lock(void); status_t LockWithTimeout(bigtime_t timeout); void Unlock(void); thread_id LockingThread(void) const; bool IsLocked(void) const; int32 CountLocks(void) const; int32 CountLockRequests(void) const; sem_id Sem(void) const; private: void InitLocker(const char *name, bool benaphore_style); bool AcquireLock(bigtime_t timeout, status_t *error); int32 fBenaphoreCount; sem_id fSemaphoreID; thread_id fLockOwner; int32 fRecursiveCount; // Reserved space for future changes to BLocker int32 fReservedSpace[4]; }; #ifdef USE_OPENBEOS_NAMESPACE } #endif #endif // _OPENBEOS_LOCKER_H