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#include "system_operation.h"
17
18#include <fcntl.h>
19#include <file_ex.h>
20
21#include "hdf_base.h"
22#include "unique_fd.h"
23
24namespace OHOS {
25namespace HDI {
26namespace Power {
27namespace V1_2 {
28static constexpr const char * const WAKE_LOCK_PATH = "/sys/power/wake_lock";
29static constexpr const char * const WAKE_UNLOCK_PATH = "/sys/power/wake_unlock";
30
31int32_t SystemOperation::WriteWakeLock(const std::string &name)
32{
33    if (name.empty()) {
34        return HDF_ERR_INVALID_PARAM;
35    }
36    UniqueFd fd(TEMP_FAILURE_RETRY(open(WAKE_LOCK_PATH, O_RDWR | O_CLOEXEC)));
37    bool ret = SaveStringToFd(fd, name);
38    if (!ret) {
39        return HDF_FAILURE;
40    }
41    return HDF_SUCCESS;
42}
43
44int32_t SystemOperation::WriteWakeUnlock(const std::string &name)
45{
46    if (name.empty()) {
47        return HDF_ERR_INVALID_PARAM;
48    }
49    UniqueFd fd(TEMP_FAILURE_RETRY(open(WAKE_UNLOCK_PATH, O_RDWR | O_CLOEXEC)));
50    bool ret = SaveStringToFd(fd, name);
51    if (!ret) {
52        return HDF_FAILURE;
53    }
54    return HDF_SUCCESS;
55}
56} // namespace V1_2
57} // namespace Power
58} // namespace HDI
59} // namespace OHOS
60