1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Portions copyright (C) 2017 Broadcom Limited
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 
19 #include <pthread.h>
20 
21 #ifndef __WIFI_HAL_SYNC_H__
22 #define __WIFI_HAL_SYNC_H__
23 
24 class Mutex
25 {
26 private:
27     pthread_mutex_t mMutex;
28 public:
Mutex()29     Mutex() {
30         pthread_mutex_init(&mMutex, NULL);
31     }
~Mutex()32     ~Mutex() {
33         pthread_mutex_destroy(&mMutex);
34     }
tryLock()35     int tryLock() {
36         return pthread_mutex_trylock(&mMutex);
37     }
lock()38     int lock() {
39         return pthread_mutex_lock(&mMutex);
40     }
unlock()41     void unlock() {
42         pthread_mutex_unlock(&mMutex);
43     }
44 };
45 
46 class Condition
47 {
48 private:
49     pthread_cond_t mCondition;
50     pthread_mutex_t mMutex;
51 
52 public:
Condition()53     Condition() {
54         pthread_mutex_init(&mMutex, NULL);
55         pthread_cond_init(&mCondition, NULL);
56     }
~Condition()57     ~Condition() {
58         pthread_cond_destroy(&mCondition);
59         pthread_mutex_destroy(&mMutex);
60     }
61 
wait()62     int wait() {
63         return pthread_cond_wait(&mCondition, &mMutex);
64     }
65 
signal()66     void signal() {
67         pthread_cond_signal(&mCondition);
68     }
69 };
70 
71 #endif