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 22 namespace android { 23 namespace netdutils { 24 25 void 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 33 std::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
