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/*
* Copyright (c) 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CHECKER__
#error "Use this header only with sparse. It is not a correct implementation."
#endif
/* Get actual <pthread.h> definitions for us to annotate and build on. */
#include_next <pthread.h>
#include "compiler.h"
int pthread_mutex_lock(pthread_mutex_t *mutex) OVS_ACQUIRES(mutex);
int pthread_mutex_unlock(pthread_mutex_t *mutex) OVS_RELEASES(mutex);
int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock) OVS_ACQUIRES(rwlock);
int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock) OVS_ACQUIRES(rwlock);
int pthread_rwlock_unlock(pthread_rwlock_t *rwlock) OVS_RELEASES(rwlock);
int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *mutex)
OVS_MUST_HOLD(mutex);
/* Sparse complains about the proper PTHREAD_*_INITIALIZER definitions.
* Luckily, it's not a real compiler so we can overwrite it with something
* simple. */
#undef PTHREAD_MUTEX_INITIALIZER
#define PTHREAD_MUTEX_INITIALIZER {}
#undef PTHREAD_RWLOCK_INITIALIZER
#define PTHREAD_RWLOCK_INITIALIZER {}
#undef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
#define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP {}
#undef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
#define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP {}
#define pthread_mutex_trylock(MUTEX) \
({ \
int retval = pthread_mutex_trylock(mutex); \
if (!retval) { \
OVS_ACQUIRE(MUTEX); \
} \
retval; \
})
#define pthread_rwlock_tryrdlock(RWLOCK) \
({ \
int retval = pthread_rwlock_tryrdlock(rwlock); \
if (!retval) { \
OVS_ACQUIRE(RWLOCK); \
} \
retval; \
})
#define pthread_rwlock_trywrlock(RWLOCK) \
({ \
int retval = pthread_rwlock_trywrlock(rwlock); \
if (!retval) { \
OVS_ACQUIRE(RWLOCK); \
} \
retval; \
})
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