mutex.h

/* mutex.h */
/* $Id: mutex.h,v 1.3 2008/11/05 16:19:35 ibadm Exp $ */
#ifndef __mutex_h
#define __mutex_h

#ifndef NO_MUTEX
#include <pthread.h>
#endif /* NO_MUTEX */
#include <mix/Types.h>
#include <mix/ErrCodes.h>


#ifdef NO_MUTEX
typedef int     MutexId;

#define MTSafeBegin(pMId)   {
#define MTSafeEnd(pMId)     }

/* Trace local storage definition for non-thread environments */
#define TLStorage

#else /* NO_MUTEX */

typedef pthread_mutex_t MutexId;

#define MTSafeBegin(pMId)   if(OK == MutexLock(pMId)) {
#define MTSafeEnd(pMId)     MutexUnlock(pMId); }

/* Trace local storage definition for thread-enabled environment */
#ifdef WIN32
#define TLStorage   __declspec(thread)
#else /* on Linux, AIX, SOLARIS etc */
#define TLStorage   __thread
#endif /* WIN32 */

#endif /* NO_MUTEX */


#ifdef __cplusplus
extern "C" {
#endif /* C++ */


  ErrCode   MutexInit (MutexId* pMId);

  ErrCode   MutexDestroy (MutexId* pMId);

  ErrCode   MutexLock (MutexId* pMId);

  ErrCode   MutexTryLock (MutexId* pMId);

  ErrCode   MutexUnlock (MutexId* pMId);


#ifdef __cplusplus
};
#endif /* C++ */

#endif /* mutex.h */