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1 /**
2  * \file hash.h
3  * Generic hash table.
4  */
5 
6 /*
7  * Mesa 3-D graphics library
8  *
9  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27  * OTHER DEALINGS IN THE SOFTWARE.
28  */
29 
30 
31 #ifndef HASH_H
32 #define HASH_H
33 
34 
35 #include "glheader.h"
36 
37 
38 extern struct _mesa_HashTable *_mesa_NewHashTable(void);
39 
40 extern void _mesa_DeleteHashTable(struct _mesa_HashTable *table);
41 
42 extern void *_mesa_HashLookup(struct _mesa_HashTable *table, GLuint key);
43 
44 extern void _mesa_HashInsert(struct _mesa_HashTable *table, GLuint key, void *data);
45 
46 extern void _mesa_HashRemove(struct _mesa_HashTable *table, GLuint key);
47 
48 extern void _mesa_HashLockMutex(struct _mesa_HashTable *table);
49 
50 extern void _mesa_HashUnlockMutex(struct _mesa_HashTable *table);
51 
52 extern void *_mesa_HashLookupLocked(struct _mesa_HashTable *table, GLuint key);
53 
54 extern void _mesa_HashInsertLocked(struct _mesa_HashTable *table,
55                                    GLuint key, void *data);
56 
57 extern void _mesa_HashRemoveLocked(struct _mesa_HashTable *table, GLuint key);
58 
59 extern void
60 _mesa_HashDeleteAll(struct _mesa_HashTable *table,
61                     void (*callback)(GLuint key, void *data, void *userData),
62                     void *userData);
63 
64 extern void
65 _mesa_HashWalk(const struct _mesa_HashTable *table,
66                void (*callback)(GLuint key, void *data, void *userData),
67                void *userData);
68 
69 extern void _mesa_HashPrint(const struct _mesa_HashTable *table);
70 
71 extern GLuint _mesa_HashFindFreeKeyBlock(struct _mesa_HashTable *table, GLuint numKeys);
72 
73 extern GLuint
74 _mesa_HashNumEntries(const struct _mesa_HashTable *table);
75 
76 extern void _mesa_test_hash_functions(void);
77 
78 
79 #endif
80