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 "copy/distributed_file_fd_guard.h"
17
18 #include <unistd.h>
19 #include "utils_log.h"
20
21 #undef LOG_DOMAIN
22 #undef LOG_TAG
23 #define LOG_DOMAIN 0xD004315
24 #define LOG_TAG "distributedfile_daemon"
25
26 namespace OHOS {
27 namespace Storage {
28 namespace DistributedFile {
FDGuard(int fd)29 FDGuard::FDGuard(int fd) : fd_(fd) {}
30
FDGuard(int fd,bool autoClose)31 FDGuard::FDGuard(int fd, bool autoClose) : fd_(fd), autoClose_(autoClose) {}
32
FDGuard(FDGuard && fdg)33 FDGuard::FDGuard(FDGuard &&fdg) : fd_(fdg.fd_), autoClose_(fdg.autoClose_)
34 {
35 fdg.fd_ = -1;
36 }
37
operator =(FDGuard && fdg)38 FDGuard &FDGuard::operator=(FDGuard &&fdg)
39 {
40 if (this == &fdg) {
41 return *this;
42 }
43 this->fd_ = fdg.fd_;
44 this->autoClose_ = fdg.autoClose_;
45 fdg.fd_ = -1;
46 return *this;
47 }
48
~FDGuard()49 FDGuard::~FDGuard()
50 {
51 if (fd_ >= 0 && fd_ <= STDERR_FILENO) {
52 LOGI("~FDGuard, fd_ = %{public}d", fd_);
53 }
54 if (fd_ >= 0 && autoClose_) {
55 close(fd_);
56 }
57 }
58
operator bool() const59 FDGuard::operator bool() const
60 {
61 return fd_ >= 0;
62 }
63
GetFD() const64 int FDGuard::GetFD() const
65 {
66 return fd_;
67 }
68
SetFD(int fd,bool autoClose)69 void FDGuard::SetFD(int fd, bool autoClose)
70 {
71 fd_ = fd;
72 autoClose_ = autoClose;
73 }
74
ClearFD()75 void FDGuard::ClearFD()
76 {
77 fd_ = -1;
78 }
79 } // namespace DistributedFile
80 } // namespace Storage
81 } // namespace OHOS
82