48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file mutexHolder.h
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* @author drose
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* @date 2002-08-09
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*/
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#ifndef MUTEXHOLDER_H
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#define MUTEXHOLDER_H
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#include "pandabase.h"
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#include "pmutex.h"
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/**
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* A lightweight C++ object whose constructor calls acquire() and whose
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* destructor calls release() on a mutex. It is a C++ convenience wrapper to
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* call release() automatically when a block exits (for instance, on return).
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*/
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class EXPCL_PANDA_PIPELINE MutexHolder {
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public:
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INLINE MutexHolder(const Mutex &mutex);
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INLINE MutexHolder(const Mutex &mutex, Thread *current_thread);
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INLINE MutexHolder(Mutex *&mutex);
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MutexHolder(const MutexHolder ©) = delete;
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INLINE ~MutexHolder();
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MutexHolder &operator = (const MutexHolder ©) = delete;
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private:
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// If HAVE_THREADS is defined, the Mutex class implements an actual mutex
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// object of some kind. If HAVE_THREADS is not defined, this will be a
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// MutexDummyImpl, which does nothing much anyway, so we might as well not
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// even store a pointer to one.
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#if defined(HAVE_THREADS) || defined(DEBUG_THREADS)
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const Mutex *_mutex;
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#endif
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};
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#include "mutexHolder.I"
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#endif
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