44 lines
923 B
C++
44 lines
923 B
C++
/*
|
|
* Copyright 2001-2007, 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();
|
|
|
|
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:
|
|
BLocker(const char *name, bool benaphoreStyle, bool);
|
|
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;
|
|
|
|
int32 _reserved[4];
|
|
};
|
|
|
|
#endif // _LOCKER_H
|