47dea71b16
Also, add a link to the .clang-format-2 for this directory and clang format the files that changed. Bug: 31919199 Test: Boot bullhead. Test: Run unit tests on bullhead. There are a few that fail, but they Test: failed before and are not a result of this change. Change-Id: I3d3b2111f6f6bf8a0d7039295d34d5168c191651
81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBMEMUNREACHABLE_SCOPED_PIPE_H_
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#define LIBMEMUNREACHABLE_SCOPED_PIPE_H_
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#include <unistd.h>
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#include "log.h"
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class ScopedPipe {
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public:
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ScopedPipe() : pipefd_{-1, -1} {
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int ret = pipe2(pipefd_, O_CLOEXEC);
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if (ret < 0) {
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MEM_LOG_ALWAYS_FATAL("failed to open pipe");
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}
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}
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~ScopedPipe() {
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Close();
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}
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ScopedPipe(ScopedPipe&& other) {
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SetReceiver(other.ReleaseReceiver());
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SetSender(other.ReleaseSender());
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}
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ScopedPipe& operator = (ScopedPipe&& other) {
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SetReceiver(other.ReleaseReceiver());
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SetSender(other.ReleaseSender());
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return *this;
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}
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void CloseReceiver() {
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close(ReleaseReceiver());
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}
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void CloseSender() {
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close(ReleaseSender());
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}
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void Close() {
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CloseReceiver();
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CloseSender();
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}
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int Receiver() { return pipefd_[0]; }
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int Sender() { return pipefd_[1]; }
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int ReleaseReceiver() {
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int ret = Receiver();
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SetReceiver(-1);
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return ret;
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}
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int ReleaseSender() {
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int ret = Sender();
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SetSender(-1);
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return ret;
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}
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private:
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void SetReceiver(int fd) { pipefd_[0] = fd; };
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void SetSender(int fd) { pipefd_[1] = fd; };
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int pipefd_[2];
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};
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#endif
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