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1 | /* |
2 | * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights | |
7 | * Reserved. This file contains Original Code and/or Modifications of | |
8 | * Original Code as defined in and that are subject to the Apple Public | |
9 | * Source License Version 1.1 (the "License"). You may not use this file | |
10 | * except in compliance with the License. Please obtain a copy of the | |
11 | * License at http://www.apple.com/publicsource and read it before using | |
12 | * this file. | |
13 | * | |
14 | * The Original Code and all software distributed under the License are | |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the | |
19 | * License for the specific language governing rights and limitations | |
20 | * under the License. | |
21 | * | |
22 | * @APPLE_LICENSE_HEADER_END@ | |
23 | */ | |
24 | ||
25 | #ifndef __LIBSAIO_CACHE_H | |
26 | #define __LIBSAIO_CACHE_H | |
27 | ||
28 | typedef struct cache_item { | |
29 | unsigned int referenced; | |
30 | int key1, key2; | |
31 | char storage[0]; | |
32 | } item_t; | |
33 | ||
34 | typedef struct cache { | |
35 | int nitems; | |
36 | int item_size; | |
37 | char storage[0]; | |
38 | } cache_t; | |
39 | ||
40 | extern cache_t *cacheInit( | |
41 | int nitems, | |
42 | int item_size | |
43 | ); | |
44 | ||
45 | extern int cacheFind( | |
46 | cache_t *cp, | |
47 | int key1, | |
48 | int key2, | |
49 | char **ip | |
50 | ); | |
51 | ||
52 | extern void cacheFlush( | |
53 | cache_t *cp | |
54 | ); | |
55 | ||
56 | #endif /* !__LIBSAIO_CACHE_H */ |