HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | /* | |
| 11 | * rx_kmutex.h - mutex and condition variable macros for kernel environment. | |
| 12 | * | |
| 13 | * User-space implementation. | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef _RX_KMUTEX_H_ | |
| 17 | #define _RX_KMUTEX_H_ | |
| 18 | ||
| 19 | #define RX_ENABLE_LOCKS 1 | |
| 20 | ||
| 21 | #define afs_kmutex_t usr_mutex_t | |
| 22 | #define afs_kcondvar_t usr_cond_t | |
| 23 | #define MUTEX_INIT(A,B,C,D) usr_mutex_init(A) | |
| 24 | #define MUTEX_ENTER(A) usr_mutex_lock(A) | |
| 25 | #define MUTEX_TRYENTER(A) usr_mutex_trylock(A) | |
| 26 | #define MUTEX_EXIT(A) usr_mutex_unlock(A) | |
| 27 | #define MUTEX_DESTROY(A) usr_mutex_destroy(A) | |
| 28 | #define MUTEX_ASSERT(A) | |
| 29 | #define CV_INIT(A,B,C,D) usr_cond_init(A) | |
| 30 | #define CV_TIMEDWAIT(A,B,C) usr_cond_timedwait(A,B,C) | |
| 31 | #define CV_SIGNAL(A) usr_cond_signal(A) | |
| 32 | #define CV_BROADCAST(A) usr_cond_broadcast(A) | |
| 33 | #define CV_DESTROY(A) usr_cond_destroy(A) | |
| 34 | #define CV_WAIT(_cv, _lck) { \ | |
| 35 | int isGlockOwner = ISAFS_GLOCK(); \ | |
| 36 | if (isGlockOwner) { \ | |
| 37 | AFS_GUNLOCK(); \ | |
| 38 | } \ | |
| 39 | usr_cond_wait(_cv, _lck); \ | |
| 40 | if (isGlockOwner) { \ | |
| 41 | MUTEX_EXIT(_lck); \ | |
| 42 | AFS_GLOCK(); \ | |
| 43 | MUTEX_ENTER(_lck); \ | |
| 44 | } \ | |
| 45 | } | |
| 46 | ||
| 47 | #define SPLVAR | |
| 48 | #define NETPRI | |
| 49 | #define USERPRI | |
| 50 | ||
| 51 | #endif /* _RX_KMUTEX_H_ */ |