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52 lines
1.5 KiB
52 lines
1.5 KiB
/*
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* Copyright 2019 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 "os/system_properties.h"
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#include <mutex>
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#include <string>
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#include <unordered_map>
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namespace bluetooth {
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namespace os {
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namespace {
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std::mutex properties_mutex;
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std::unordered_map<std::string, std::string> properties;
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} // namespace
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std::optional<std::string> GetSystemProperty(const std::string& property) {
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std::lock_guard<std::mutex> lock(properties_mutex);
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auto iter = properties.find(property);
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if (iter == properties.end()) {
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return std::nullopt;
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}
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return iter->second;
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}
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bool SetSystemProperty(const std::string& property, const std::string& value) {
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std::lock_guard<std::mutex> lock(properties_mutex);
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properties.insert_or_assign(property, value);
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return true;
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}
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void ClearSystemPropertiesForHost() {
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std::lock_guard<std::mutex> lock(properties_mutex);
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properties.clear();
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}
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} // namespace os
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} // namespace bluetooth
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