2 * Copyright (c) 2013 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #error "Use this header only with sparse. It is not a correct implementation."
21 /* Get actual <pthread.h> definitions for us to annotate and build on. */
22 #include_next <pthread.h>
26 int pthread_mutex_lock(pthread_mutex_t *mutex) OVS_ACQUIRES(mutex);
27 int pthread_mutex_unlock(pthread_mutex_t *mutex) OVS_RELEASES(mutex);
29 int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock) OVS_ACQ_RDLOCK(rwlock);
30 int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock) OVS_ACQ_WRLOCK(rwlock);
31 int pthread_rwlock_unlock(pthread_rwlock_t *rwlock) OVS_RELEASES(rwlock);
33 int pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *mutex)
36 /* Sparse complains about the proper PTHREAD_*_INITIALIZER definitions.
37 * Luckily, it's not a real compiler so we can overwrite it with something
39 #undef PTHREAD_MUTEX_INITIALIZER
40 #define PTHREAD_MUTEX_INITIALIZER {}
42 #undef PTHREAD_RWLOCK_INITIALIZER
43 #define PTHREAD_RWLOCK_INITIALIZER {}
45 #undef PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
46 #define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP {}
48 #undef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
49 #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP {}
51 #define pthread_mutex_trylock(MUTEX) \
53 int retval = pthread_mutex_trylock(mutex); \
55 OVS_MACRO_LOCK(MUTEX); \
60 #define pthread_rwlock_tryrdlock(RWLOCK) \
62 int retval = pthread_rwlock_tryrdlock(rwlock); \
64 OVS_MACRO_LOCK(RWLOCK); \
68 #define pthread_rwlock_trywrlock(RWLOCK) \
70 int retval = pthread_rwlock_trywrlock(rwlock); \
72 OVS_MACRO_LOCK(RWLOCK); \