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805e021f CE |
1 | /* |
2 | * Copyright 2000, International Business Machines Corporation and others. | |
3 | * All Rights Reserved. | |
4 | * | |
5 | * This software has been released under the terms of the IBM Public | |
6 | * License. For details, see the LICENSE file in the top-level source | |
7 | * directory or online at http://www.openafs.org/dl/license10.html | |
8 | */ | |
9 | ||
10 | #ifndef _AFS_PTHREAD_GLOCK_H_ | |
11 | #define _AFS_PTHREAD_GLOCK_H_ | |
12 | ||
13 | #if defined(AFS_PTHREAD_ENV) && !defined(KERNEL) | |
14 | #include <pthread.h> | |
15 | #include <afs/opr.h> | |
16 | ||
17 | typedef struct { | |
18 | pthread_mutex_t mut; | |
19 | volatile pthread_t owner; | |
20 | volatile unsigned int locked; | |
21 | volatile unsigned int times_inside; | |
22 | } pthread_recursive_mutex_t, *pthread_recursive_mutex_p; | |
23 | ||
24 | #if defined(AFS_NT40_ENV) && defined(AFS_PTHREAD_ENV) | |
25 | #ifndef AFS_GRMUTEX_DECLSPEC | |
26 | #define AFS_GRMUTEX_DECLSPEC __declspec(dllimport) extern | |
27 | #endif | |
28 | #else | |
29 | #define AFS_GRMUTEX_DECLSPEC extern | |
30 | #endif | |
31 | ||
32 | AFS_GRMUTEX_DECLSPEC pthread_recursive_mutex_t grmutex; | |
33 | ||
34 | extern int pthread_recursive_mutex_lock(pthread_recursive_mutex_p); | |
35 | extern int pthread_recursive_mutex_unlock(pthread_recursive_mutex_p); | |
36 | ||
37 | #define LOCK_GLOBAL_MUTEX \ | |
38 | opr_Verify(pthread_recursive_mutex_lock(&grmutex)==0) | |
39 | ||
40 | #define UNLOCK_GLOBAL_MUTEX \ | |
41 | opr_Verify(pthread_recursive_mutex_unlock(&grmutex)==0) | |
42 | ||
43 | #else /* AFS_PTHREAD_ENV && !KERNEL */ | |
44 | ||
45 | #define LOCK_GLOBAL_MUTEX | |
46 | #define UNLOCK_GLOBAL_MUTEX | |
47 | ||
48 | #endif /* AFS_PTHREAD_ENV && !KERNEL */ | |
49 | ||
50 | #endif /* _AFS_PTHREAD_GLOCK_H_ */ |