f451e14bc2
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29487 a95241bf-73f2-0310-859d-f6bbb57e9c96
46 lines
954 B
C++
46 lines
954 B
C++
/*
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* Copyright 2001-2007, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _LOCKER_H
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#define _LOCKER_H
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#include <OS.h>
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class BLocker {
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public:
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BLocker();
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BLocker(const char* name);
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BLocker(bool benaphoreStyle);
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BLocker(const char* name, bool benaphoreStyle);
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virtual ~BLocker();
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status_t InitCheck() const;
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bool Lock(void);
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status_t LockWithTimeout(bigtime_t timeout);
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void Unlock(void);
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thread_id LockingThread(void) const;
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bool IsLocked(void) const;
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int32 CountLocks(void) const;
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int32 CountLockRequests(void) const;
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sem_id Sem(void) const;
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private:
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BLocker(const char *name, bool benaphoreStyle, bool);
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void InitLocker(const char *name, bool benaphore_style);
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bool AcquireLock(bigtime_t timeout, status_t *error);
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int32 fBenaphoreCount;
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sem_id fSemaphoreID;
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thread_id fLockOwner;
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int32 fRecursiveCount;
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int32 _reserved[4];
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};
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#endif // _LOCKER_H
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