/usr/src/openafs-1.8.0pre5/include/opr/lock.h is in openafs-modules-dkms 1.8.0~pre5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /*
* Copyright (c) 2012 Your File System Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OPENAFS_OPR_LOCK_H
#define OPENAFS_OPR_LOCK_H 1
#include <pthread.h>
/* Mutexes */
typedef pthread_mutex_t opr_mutex_t;
# ifdef OPR_DEBUG_LOCKS
static_inline void
opr_mutex_init(opr_mutex_t *mutex)
{
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
opr_Verify(pthread_mutex_init(mutex, &attr) == 0);
pthread_mutexattr_destroy(&attr);
}
# define opr_mutex_assert(mutex) \
opr_Verify(pthread_mutex_lock(mutex) == EDEADLK)
# else
# define opr_mutex_init(mutex) \
opr_Verify(pthread_mutex_init(mutex, NULL) == 0)
# define opr_mutex_assert(mutex)
# endif
# define opr_mutex_destroy(mutex) \
opr_Verify(pthread_mutex_destroy(mutex) == 0)
# define opr_mutex_enter(mutex) \
opr_Verify(pthread_mutex_lock(mutex) == 0)
# define opr_mutex_exit(mutex) \
opr_Verify(pthread_mutex_unlock(mutex) == 0)
# define opr_mutex_tryenter(mutex) \
(pthread_mutex_trylock(mutex) ? 0: 1)
typedef pthread_cond_t opr_cv_t;
# define opr_cv_init(condvar) \
opr_Verify(pthread_cond_init(condvar, NULL) == 0)
# define opr_cv_destroy(condvar) \
opr_Verify(pthread_cond_destroy(condvar) == 0)
# define opr_cv_wait(condvar, mutex) \
opr_Verify(pthread_cond_wait(condvar, mutex) == 0)
# define opr_cv_timedwait(condvar, mutex, timeout) \
pthread_cond_timedwait(condvar, mutex, timeout)
# define opr_cv_signal(condvar) \
opr_Verify(pthread_cond_signal(condvar) == 0)
# define opr_cv_broadcast(condvar) \
opr_Verify(pthread_cond_broadcast(condvar) == 0)
#endif /* OPENAFS_OPR_LOCK_H */
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