/*******************************************************************
*
* ttmutex.h 1.0
*
* Mutual exclusion object / dummy generic interface.
*
* Copyright 1996-1999 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used
* modified and distributed under the terms of the FreeType project
* license, LICENSE.TXT. By continuing to use, modify, or distribute
* this file you indicate that you have read the license and
* understand and accept it fully.
*
* Note: This file provides a generic interface. The implementation
* to compile depends on your system and the type of
* library you want to build (either singly-threaded,
* thread-safe or re-entrant).
*
* Please read the technical documentation for more details.
*
******************************************************************/
#ifndef TTMUTEX_H
#define TTMUTEX_H
#include "ttconfig.h"
typedef void* TMutex; /* typeless reference to a mutex */
#ifdef TT_CONFIG_OPTION_THREAD_SAFE /* thread-safe and re-entrant builds */
#define MUTEX_Create( mutex ) TT_Mutex_Create ( &(mutex) )
#define MUTEX_Destroy( mutex ) TT_Mutex_Delete ( &(mutex) )
#define MUTEX_Lock( mutex ) TT_Mutex_Lock ( &(mutex) )
#define MUTEX_Release( mutex ) TT_Mutex_Release( &(mutex) )
LOCAL_DEF void TT_Mutex_Create ( TMutex* mutex ); /* Create a new mutex */
LOCAL_DEF void TT_Mutex_Delete ( TMutex* mutex ); /* Delete a mutex */
LOCAL_DEF void TT_Mutex_Lock ( TMutex* mutex ); /* Lock a mutex. */
LOCAL_DEF void TT_Mutex_Release( TMutex* mutex ); /* Release a mutex */
#else /* for the single-thread build */
#define MUTEX_Create( mutex ) /* nothing */
#define MUTEX_Destroy( mutex ) /* nothing */
#define MUTEX_Lock( mutex ) /* nothing */
#define MUTEX_Release( mutex ) /* nothing */
/* No code will be generated for mutex operations */
#endif /* TT_CONFIG_OPTION_THREAD_SAFE */
#endif /* TTMUTEX_H */
/* END */