u_cache.h

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00001 /**************************************************************************
00002  *
00003  * Copyright 2008 VMware, Inc.
00004  * All Rights Reserved.
00005  *
00006  * Permission is hereby granted, free of charge, to any person obtaining a
00007  * copy of this software and associated documentation files (the
00008  * "Software"), to deal in the Software without restriction, including
00009  * without limitation the rights to use, copy, modify, merge, publish,
00010  * distribute, sub license, and/or sell copies of the Software, and to
00011  * permit persons to whom the Software is furnished to do so, subject to
00012  * the following conditions:
00013  *
00014  * The above copyright notice and this permission notice (including the
00015  * next paragraph) shall be included in all copies or substantial portions
00016  * of the Software.
00017  *
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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00026  **************************************************************************/
00027 
00035 #ifndef U_CACHE_H_
00036 #define U_CACHE_H_
00037 
00038 
00039 #include "pipe/p_compiler.h"
00040 
00041 
00042 #ifdef __cplusplus
00043 extern "C" {
00044 #endif
00045 
00046    
00050 struct util_cache;
00051 
00052 
00061 struct util_cache *
00062 util_cache_create(uint32_t (*hash)(const void *key),
00063                   int (*compare)(const void *key1, const void *key2),
00064                   void (*destroy)(void *key, void *value),
00065                   uint32_t size);
00066 
00067 void
00068 util_cache_set(struct util_cache *cache,
00069                void *key,
00070                void *value);
00071 
00072 void *
00073 util_cache_get(struct util_cache *cache, 
00074                const void *key);
00075 
00076 void
00077 util_cache_clear(struct util_cache *cache);
00078 
00079 void
00080 util_cache_destroy(struct util_cache *cache);
00081 
00082 
00083 #ifdef __cplusplus
00084 }
00085 #endif
00086 
00087 #endif /* U_CACHE_H_ */

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