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60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
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//
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// $Id: Locker.h,v 1.1 2002/07/09 12:24:33 ejakowatz Exp $
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//
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// This is the Locker interface for OpenBeOS. It has been created to
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// be source and binary compatible with the BeOS version of Locker.
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//
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// bonefish:
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// * Removed `virtual' from destructor and FBC reserved space.
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// * Renamed to Locker.
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#ifndef _OPENBEOS_LOCKER_H
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#define _OPENBEOS_LOCKER_H
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#include <OS.h>
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#include <SupportDefs.h>
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namespace UserlandFSUtil {
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class Locker {
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public:
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Locker();
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Locker(const char *name);
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Locker(bool benaphore_style);
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Locker(const char *name, bool benaphore_style);
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// The following constructor is not documented in the BeBook
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// and is only listed here to ensure binary compatibility.
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// DO NOT USE THIS CONSTRUCTOR!
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Locker(const char *name, bool benaphore_style, bool);
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~Locker();
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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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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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};
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} // namespace UserlandFSUtil
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using UserlandFSUtil::Locker;
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#endif // _OPENBEOS_LOCKER_H
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