/* * Copyright (c) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "system_operation.h" #include #include #include "hdf_base.h" #include "unique_fd.h" namespace OHOS { namespace HDI { namespace Power { namespace V1_2 { static constexpr const char * const WAKE_LOCK_PATH = "/sys/power/wake_lock"; static constexpr const char * const WAKE_UNLOCK_PATH = "/sys/power/wake_unlock"; int32_t SystemOperation::WriteWakeLock(const std::string &name) { if (name.empty()) { return HDF_ERR_INVALID_PARAM; } UniqueFd fd(TEMP_FAILURE_RETRY(open(WAKE_LOCK_PATH, O_RDWR | O_CLOEXEC))); bool ret = SaveStringToFd(fd, name); if (!ret) { return HDF_FAILURE; } return HDF_SUCCESS; } int32_t SystemOperation::WriteWakeUnlock(const std::string &name) { if (name.empty()) { return HDF_ERR_INVALID_PARAM; } UniqueFd fd(TEMP_FAILURE_RETRY(open(WAKE_UNLOCK_PATH, O_RDWR | O_CLOEXEC))); bool ret = SaveStringToFd(fd, name); if (!ret) { return HDF_FAILURE; } return HDF_SUCCESS; } } // namespace V1_2 } // namespace Power } // namespace HDI } // namespace OHOS