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 #include "fsync.h"
17 #include "file_fs_impl.h"
18
19 #include <cstring>
20 #include <unistd.h>
21
22
23 namespace OHOS {
24 namespace CJSystemapi {
25
26 using namespace std;
27
Fsync(int32_t fd)28 int FsyncImpl::Fsync(int32_t fd)
29 {
30 LOGI("FS_TEST::FsyncImpl::Fsync start");
31 std::unique_ptr<uv_fs_t, decltype(CommonFunc::FsReqCleanup)*> fsync_req = {
32 new (std::nothrow) uv_fs_t, CommonFunc::FsReqCleanup };
33 if (!fsync_req) {
34 LOGE("Failed to request heap memory.");
35 return ENOMEM;
36 }
37 int ret = uv_fs_fsync(nullptr, fsync_req.get(), fd, nullptr);
38 if (ret < 0) {
39 LOGE("Failed to transfer data associated with file descriptor: %{public}d", fd);
40 return ret;
41 }
42 LOGI("FS_TEST::FsyncImpl::Fsync success");
43 return ret;
44 }
45
46 } // namespace CJSystemapi
47 } // namespace OHOS
48