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mutex_md.h
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C/C++ Source or Header
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1998-09-15
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/*
* @(#)mutex_md.h 1.10 98/07/01
*
* Copyright 1995-1998 by Sun Microsystems, Inc.,
* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
* All rights reserved.
*
* This software is the confidential and proprietary information
* of Sun Microsystems, Inc. ("Confidential Information"). You
* shall not disclose such Confidential Information and shall use
* it only in accordance with the terms of the license agreement
* you entered into with Sun.
*/
/*
* Win32 implementation of mutexes. Here we use critical sections as
* our mutexes. We could have used mutexes, but mutexes are heavier
* weight than critical sections. Mutexes and critical sections are
* semantically identical, the only difference being that mutexes
* can operate between processes (i.e. address spaces).
*
* It's worth noting that the Win32 functions supporting critical
* sections do not provide any error information whatsoever (i.e.
* all critical section routines return (void)).
*/
#ifndef _WIN32_MUTEX_MD_H_
#define _WIN32_MUTEX_MD_H_
#include <windows.h>
typedef CRITICAL_SECTION mutex_t;
#define mutexInit(m) InitializeCriticalSection(m)
#define mutexDestroy(m) DeleteCriticalSection(m)
#define mutexLock(m) EnterCriticalSection(m)
#define mutexUnlock(m) LeaveCriticalSection(m)
#endif /* !_WIN32_MUTEX_MD_H_ */