1 /******************************************************************************
2  *
3  *  Copyright (C) 2015 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #define LOG_TAG "bt_osi_mutex"
20 
21 #include <pthread.h>
22 
23 #include "osi/include/mutex.h"
24 
25 static pthread_mutex_t global_lock;
26 
mutex_init(void)27 void mutex_init(void) {
28   pthread_mutexattr_t attr;
29   pthread_mutexattr_init(&attr);
30   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
31   pthread_mutex_init(&global_lock, &attr);
32 }
33 
mutex_cleanup(void)34 void mutex_cleanup(void) {
35   pthread_mutex_destroy(&global_lock);
36 }
37 
mutex_global_lock(void)38 void mutex_global_lock(void) {
39   pthread_mutex_lock(&global_lock);
40 }
41 
mutex_global_unlock(void)42 void mutex_global_unlock(void) {
43   pthread_mutex_unlock(&global_lock);
44 }
45