FreeType 1.31.1

lib/ttmutex.h

@@ -0,0 +1,59 @@
+/*******************************************************************
+ *
+ *  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 */