1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 /**
17 * @file mutex.h
18 *
19 * @brief Declares the mutex interfaces in C++.
20 *
21 * @since 10
22 * @version 1.0
23 */
24#ifndef FFRT_API_CPP_MUTEX_H
25#define FFRT_API_CPP_MUTEX_H
26#include "c/mutex.h"
27
28namespace ffrt {
29class mutex : public ffrt_mutex_t {
30public:
31    mutex()
32    {
33        ffrt_mutex_init(this, nullptr);
34    }
35
36    ~mutex()
37    {
38        ffrt_mutex_destroy(this);
39    }
40
41    mutex(mutex const&) = delete;
42    void operator=(mutex const&) = delete;
43
44    inline bool try_lock()
45    {
46        return ffrt_mutex_trylock(this) == ffrt_success ? true : false;
47    }
48
49    inline void lock()
50    {
51        ffrt_mutex_lock(this);
52    }
53
54    inline void unlock()
55    {
56        ffrt_mutex_unlock(this);
57    }
58};
59
60class recursive_mutex : public ffrt_mutex_t {
61public:
62    recursive_mutex()
63    {
64        ffrt_mutexattr_init(&attr);
65        ffrt_mutexattr_settype(&attr, ffrt_mutex_recursive);
66        ffrt_mutex_init(this, &attr);
67    }
68
69    ~recursive_mutex()
70    {
71        ffrt_mutexattr_destroy(&attr);
72        ffrt_mutex_destroy(this);
73    }
74
75    recursive_mutex(recursive_mutex const&) = delete;
76    void operator=(recursive_mutex const&) = delete;
77
78    inline bool try_lock()
79    {
80        return ffrt_mutex_trylock(this) == ffrt_success ? true : false;
81    }
82
83    inline void lock()
84    {
85        ffrt_mutex_lock(this);
86    }
87
88    inline void unlock()
89    {
90        ffrt_mutex_unlock(this);
91    }
92private:
93    ffrt_mutexattr_t attr;
94};
95} // namespace ffrt
96#endif
97