1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <algorithm>
18
19#include "netdutils/UniqueFd.h"
20#include "netdutils/Syscalls.h"
21
22namespace android {
23namespace netdutils {
24
25void UniqueFd::reset(Fd fd) {
26    auto& sys = sSyscalls.get();
27    std::swap(fd, mFd);
28    if (isWellFormed(fd)) {
29        expectOk(sys.close(fd));
30    }
31}
32
33std::ostream& operator<<(std::ostream& os, const UniqueFd& fd) {
34    return os << "UniqueFd[" << static_cast<Fd>(fd) << "]";
35}
36
37}  // namespace netdutils
38}  // namespace android
39