1 /* 2 * Copyright (C) 2025 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 OHOS_MEDIA_CLOUD_SYNC_CLOUD_MEDIA_THREAD_LIMITER_H 17 #define OHOS_MEDIA_CLOUD_SYNC_CLOUD_MEDIA_THREAD_LIMITER_H 18 19 #include <shared_mutex> 20 21 namespace OHOS::Media::CloudSync { 22 class CloudMediaThreadLimiter { 23 public: 24 static std::shared_mutex READ_WRITE_MUTEX_; 25 }; 26 #define CLOUD_SYNC_HANDLER_READ_LOCK \ 27 std::shared_lock<std::shared_mutex> readLock(CloudMediaThreadLimiter::READ_WRITE_MUTEX_) 28 #define CLOUD_SYNC_HANDLER_WRITE_LOCK \ 29 std::unique_lock<std::shared_mutex> writeLock(CloudMediaThreadLimiter::READ_WRITE_MUTEX_) 30 } // namespace OHOS::Media::CloudSync 31 #endif // OHOS_MEDIA_CLOUD_SYNC_CLOUD_MEDIA_THREAD_LIMITER_H