65 lines
1.6 KiB
C
65 lines
1.6 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 conditionVarDirect.h
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* @author drose
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* @date 2006-02-13
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*/
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#ifndef CONDITIONVARDIRECT_H
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#define CONDITIONVARDIRECT_H
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#include "pandabase.h"
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#include "mutexDirect.h"
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#include "conditionVarImpl.h"
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#ifndef DEBUG_THREADS
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/**
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* A condition variable, usually used to communicate information about
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* changing state to a thread that is waiting for something to happen. A
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* condition variable can be used to "wake up" a thread when some arbitrary
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* condition has changed.
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*
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* A condition variable is associated with a single mutex, and several
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* condition variables may share the same mutex.
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*/
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class EXPCL_PANDA_PIPELINE ConditionVarDirect {
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public:
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INLINE explicit ConditionVarDirect(MutexDirect &mutex);
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ConditionVarDirect(const ConditionVarDirect ©) = delete;
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~ConditionVarDirect() = default;
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ConditionVarDirect &operator = (const ConditionVarDirect ©) = delete;
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PUBLISHED:
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INLINE MutexDirect &get_mutex() const;
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BLOCKING INLINE void wait();
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BLOCKING INLINE void wait(double timeout);
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INLINE void notify();
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INLINE void notify_all();
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void output(std::ostream &out) const;
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private:
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MutexDirect &_mutex;
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ConditionVarImpl _impl;
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};
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INLINE std::ostream &
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operator << (std::ostream &out, const ConditionVarDirect &cv) {
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cv.output(out);
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return out;
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}
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#include "conditionVarDirect.I"
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#endif // !DEBUG_THREADS
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#endif
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