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-rw-r--r--dep/include/zthread/PriorityInheritanceMutex.h94
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diff --git a/dep/include/zthread/PriorityInheritanceMutex.h b/dep/include/zthread/PriorityInheritanceMutex.h
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-/*
- * Copyright (c) 2005, Eric Crahen
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#ifndef __ZTPRIORITYINHERITANCEMUTEX_H__
-#define __ZTPRIORITYINHERITANCEMUTEX_H__
-
-#include "zthread/Lockable.h"
-#include "zthread/NonCopyable.h"
-
-namespace ZThread {
-
- class PriorityInheritanceMutexImpl;
-
- /**
- * @class PriorityInheritanceMutex
- *
- * @author Eric Crahen <http://www.code-foo.com>
- * @date <2003-07-16T19:37:36-0400>
- * @version 2.2.1
- *
- * A PriorityInheritanceMutex is similar to a PriorityMutex, it is a non-reentrant,
- * priority sensitive MUTual EXclusion Lockable object. It differs only in its
- * scheduling policy.
- *
- * @see PriorityMutex
- *
- * <b>Scheduling</b>
- *
- * Threads competing to acquire() a PriorityInheritanceMutex are granted access in
- * order of priority. Threads with a higher priority will be given access first.
- *
- * When a higher priority thread tries to acquire() a PriorityInheritanceMutex and is
- * about to be blocked by a lower priority thread that has already acquire()d it, the
- * lower priority thread will temporarily have its effective priority raised to that
- * of the higher priority thread until it release()s the mutex; at which point its
- * previous priority will be restored.
- */
- class ZTHREAD_API PriorityInheritanceMutex : public Lockable, private NonCopyable {
-
- PriorityInheritanceMutexImpl* _impl;
-
- public:
-
- /**
- * @see Mutex::Mutex()
- */
- PriorityInheritanceMutex();
-
- /**
- * @see Mutex::~Mutex()
- */
- virtual ~PriorityInheritanceMutex();
-
- /**
- * @see Mutex::acquire()
- */
- virtual void acquire();
-
- /**
- * @see Mutex::tryAcquire(unsigned long timeout)
- */
- virtual bool tryAcquire(unsigned long timeout);
-
- /**
- * @see Mutex::release()
- */
- virtual void release();
-
- };
-
-
-} // namespace ZThread
-
-#endif // __ZTPRIORITYINHERITANCEMUTEX_H__
-