47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef CLOCK_H
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#define CLOCK_H
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class CMutex;
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class CCondVarBase;
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//! Mutual exclusion lock utility
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/*!
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This class locks a mutex or condition variable in the c'tor and unlocks
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it in the d'tor. It's easier and safer than manually locking and
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unlocking since unlocking must usually be done no matter how a function
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exits (including by unwinding due to an exception).
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*/
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class CLock {
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public:
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//! Lock the mutex \c mutex
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CLock(const CMutex* mutex);
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//! Lock the condition variable \c cv
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CLock(const CCondVarBase* cv);
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//! Unlock the mutex or condition variable
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~CLock();
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private:
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// not implemented
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CLock(const CLock&);
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CLock& operator=(const CLock&);
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private:
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const CMutex* m_mutex;
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};
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#endif
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