mutex.h

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/*
 * Copyright (C) 2000-2004 by ETH Zurich
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/* mutex.c - a nut/os implementation of recursive mutex functions
 *
 * 2004.05.06 Matthias Ringwald <matthias.ringwald@inf.ethz.ch>
 *
 */
/*
 * $Log$
 * Revision 1.6  2008/08/11 07:00:26  haraldkipp
 * BSD types replaced by stdint types (feature request #1282721).
 *
 * Revision 1.5  2007/08/29 07:43:54  haraldkipp
 * Documentation updated and corrected.
 *
 * Revision 1.4  2005/12/22 09:36:25  freckle
 * added missing prototype for NutMutexDestroy
 *
 * Revision 1.3  2005/08/02 17:46:49  haraldkipp
 * Major API documentation update.
 *
 * Revision 1.2  2004/05/18 18:38:14  drsung
 * Added $Log keyword for CVS and avoid multiple inclusion of header file.
 *
 */

#ifndef _SYS_MUTEX_H
#define _SYS_MUTEX_H

#include <compiler.h>
#include <sys/types.h>
#include <sys/thread.h>


__BEGIN_DECLS

typedef struct _MUTEX MUTEX;

struct _MUTEX {
    HANDLE qhp;             
    NUTTHREADINFO *thread;  
    uint16_t count;          
};

extern void NutMutexInit(MUTEX * mutex);
extern void NutMutexLock(MUTEX * mutex);
extern int NutMutexUnlock(MUTEX * mutex);
extern int NutMutexTrylock(MUTEX * mutex);
extern int NutMutexDestroy(MUTEX * mutex);
__END_DECLS

#endif /* #ifndef _SYS_MUTEX_H */