Waldemar Kornewald
8758b5ade6
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4372 a95241bf-73f2-0310-859d-f6bbb57e9c96
57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
//----------------------------------------------------------------------
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// This software is part of the OpenBeOS distribution and is covered
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// by the OpenBeOS license.
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//
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// Copyright (c) 2003 Waldemar Kornewald, [email protected]
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//---------------------------------------------------------------------
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/*
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* LockerHelper.h
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*
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* The LockerHelper acquires a lock on construction and releases it
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* on destruction.
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* This is a very useful class because you do not have to worry about
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* releasing the lock at every possible point. It is done automatically.
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*
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*/
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#ifndef _LOCKER_HELPER__H
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#define _LOCKER_HELPER__H
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#include "Locker.h"
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class LockerHelper {
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private:
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// copies are not allowed!
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LockerHelper(const LockerHelper& copy);
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LockerHelper& operator= (const LockerHelper& copy);
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public:
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LockerHelper(BLocker& lock) : fLock(&lock)
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{
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if(fLock->Lock() != B_OK)
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fLock = NULL;
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}
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~LockerHelper()
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{
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if(fLock)
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fLock->Unlock();
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}
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void UnlockNow()
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{
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if(fLock)
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fLock->Unlock();
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fLock = NULL;
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}
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private:
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BLocker *fLock;
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};
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#endif
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