1/*
2 * Copyright (c) 2024 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#ifndef COMMUNICATIONNETSTACK_SPINLOCK_MUTEX_H
17#define COMMUNICATIONNETSTACK_SPINLOCK_MUTEX_H
18
19namespace OHOS::NetStack::HttpOverCurl {
20
21struct spinlock_mutex {
22    std::atomic_flag flag = ATOMIC_FLAG_INIT;
23    spinlock_mutex() = default;
24
25    void lock()
26    {
27        while (flag.test_and_set(std::memory_order_acquire))
28            ;
29    }
30
31    void unlock()
32    {
33        flag.clear(std::memory_order_release);
34    }
35};
36
37} // namespace OHOS::NetStack::HttpOverCurl
38
39#endif // COMMUNICATIONNETSTACK_SPINLOCK_MUTEX_H
40