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81 lines
2.0 KiB
81 lines
2.0 KiB
/*
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* Copyright (C) 2020 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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#include "unique_file.h"
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#include <string>
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#include <unistd.h>
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#include <android-base/logging.h>
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namespace android {
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namespace installd {
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UniqueFile::UniqueFile() : UniqueFile(-1, "") {}
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UniqueFile::UniqueFile(int value, std::string path) : UniqueFile(value, path, nullptr) {}
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UniqueFile::UniqueFile(int value, std::string path, CleanUpFunction cleanup)
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: value_(value), path_(path), cleanup_(cleanup), do_cleanup_(true), auto_close_(true) {}
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UniqueFile::UniqueFile(UniqueFile&& other) {
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*this = std::move(other);
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}
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UniqueFile::~UniqueFile() {
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reset();
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}
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UniqueFile& UniqueFile::operator=(UniqueFile&& other) {
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value_ = other.value_;
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path_ = other.path_;
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cleanup_ = other.cleanup_;
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do_cleanup_ = other.do_cleanup_;
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auto_close_ = other.auto_close_;
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other.release();
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return *this;
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}
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void UniqueFile::reset() {
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reset(-1, "");
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}
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void UniqueFile::reset(int new_value, std::string path, CleanUpFunction new_cleanup) {
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if (auto_close_ && value_ >= 0) {
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if (close(value_) < 0) {
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PLOG(ERROR) << "Failed to close fd " << value_ << ", with path " << path;
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}
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}
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if (do_cleanup_ && cleanup_ != nullptr) {
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cleanup_(path_);
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}
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value_ = new_value;
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path_ = path;
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cleanup_ = new_cleanup;
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}
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void UniqueFile::release() {
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value_ = -1;
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path_ = "";
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do_cleanup_ = false;
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cleanup_ = nullptr;
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}
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} // namespace installd
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} // namespace android
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