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| /******************************************************************* |
| * |
| * 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 */ |