/* * Copyright 2000, International Business Machines Corporation and others. * All Rights Reserved. * * This software has been released under the terms of the IBM Public * License. For details, see the LICENSE file in the top-level source * directory or online at http://www.openafs.org/dl/license10.html */ /* * rx_kmutex.h - mutex and condition variable macros for kernel environment. * * User-space implementation. */ #ifndef _RX_KMUTEX_H_ #define _RX_KMUTEX_H_ #define RX_ENABLE_LOCKS 1 #define afs_kmutex_t usr_mutex_t #define afs_kcondvar_t usr_cond_t #define MUTEX_INIT(A,B,C,D) usr_mutex_init(A) #define MUTEX_ENTER(A) usr_mutex_lock(A) #define MUTEX_TRYENTER(A) usr_mutex_trylock(A) #define MUTEX_EXIT(A) usr_mutex_unlock(A) #define MUTEX_DESTROY(A) usr_mutex_destroy(A) #define MUTEX_ASSERT(A) #define CV_INIT(A,B,C,D) usr_cond_init(A) #define CV_TIMEDWAIT(A,B,C) usr_cond_timedwait(A,B,C) #define CV_SIGNAL(A) usr_cond_signal(A) #define CV_BROADCAST(A) usr_cond_broadcast(A) #define CV_DESTROY(A) usr_cond_destroy(A) #define CV_WAIT(_cv, _lck) { \ int isGlockOwner = ISAFS_GLOCK(); \ if (isGlockOwner) { \ AFS_GUNLOCK(); \ } \ usr_cond_wait(_cv, _lck); \ if (isGlockOwner) { \ MUTEX_EXIT(_lck); \ AFS_GLOCK(); \ MUTEX_ENTER(_lck); \ } \ } #define SPLVAR #define NETPRI #define USERPRI #endif /* _RX_KMUTEX_H_ */