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 #include "fdatasync_core.h"
17
18 #include <cstring>
19 #include <fcntl.h>
20 #include <sys/stat.h>
21 #include <unistd.h>
22
23 #include "filemgmt_libhilog.h"
24
25 namespace OHOS::FileManagement::ModuleFileIO {
26
DoFDataSync(const int32_t & fd)27 FsResult<void> FDataSyncCore::DoFDataSync(const int32_t &fd)
28 {
29 std::unique_ptr<uv_fs_t, decltype(FsUtils::FsReqCleanup) *> fDataSyncReq = { new uv_fs_t, FsUtils::FsReqCleanup };
30 if (!fDataSyncReq) {
31 HILOGE("Failed to request heap memory.");
32 return FsResult<void>::Error(ENOMEM);
33 }
34
35 int ret = uv_fs_fdatasync(nullptr, fDataSyncReq.get(), fd, nullptr);
36 if (ret < 0) {
37 HILOGE("Failed to transfer data associated with file descriptor: %{public}d, ret:%{public}d", fd, ret);
38 return FsResult<void>::Error(ret);
39 }
40
41 return FsResult<void>::Success();
42 }
43
44 } // namespace OHOS::FileManagement::ModuleFileIO