ia64/xen-unstable

view tools/vtpm_manager/util/hashtable_private.h @ 8740:3d7ea7972b39

Update patches for linux 2.6.15.

Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
author cl349@firebug.cl.cam.ac.uk
date Thu Feb 02 17:16:00 2006 +0000 (2006-02-02)
parents 06d84bf87159
children
line source
1 /*
2 * Copyright (c) 2005, Intel Corp
3 * Copyright (c) 2002, Christopher Clark <firstname.lastname@cl.cam.ac.uk>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * * Neither the name of the original author; nor the names of any contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
26 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
29 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
35 #ifndef __HASHTABLE_PRIVATE_CWC22_H__
36 #define __HASHTABLE_PRIVATE_CWC22_H__
38 #include "hashtable.h"
39 #ifdef HASHTABLE_THREADED
40 #include <pthread.h>
41 #endif
43 /*****************************************************************************/
44 struct entry
45 {
46 void *k, *v;
47 unsigned int h;
48 struct entry *next;
49 };
51 struct hashtable {
52 unsigned int tablelength;
53 struct entry **table;
54 unsigned int entrycount;
55 unsigned int loadlimit;
56 unsigned int primeindex;
57 unsigned int (*hashfn) (void *k);
58 int (*eqfn) (void *k1, void *k2);
59 #ifdef HASHTABLE_THREADED
60 pthread_mutex_t mutex;
61 #endif
62 };
64 /*****************************************************************************/
65 unsigned int
66 hash(struct hashtable *h, void *k);
68 /*****************************************************************************/
69 /* indexFor */
70 static inline unsigned int
71 indexFor(unsigned int tablelength, unsigned int hashvalue) {
72 return (hashvalue % tablelength);
73 };
75 /* Only works if tablelength == 2^N */
76 /*static inline unsigned int
77 indexFor(unsigned int tablelength, unsigned int hashvalue)
78 {
79 return (hashvalue & (tablelength - 1u));
80 }
81 */
83 /*****************************************************************************/
84 #define freekey(X) free(X)
85 /*define freekey(X) ; */
88 /*****************************************************************************/
90 #endif /* __HASHTABLE_PRIVATE_CWC22_H__*/