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