bt/service/common/bluetooth/util/atomic_string.cc

//
//  Copyright (C) 2015 Google, Inc.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at:
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

#include "service/common/bluetooth/util/atomic_string.h"

namespace util {

AtomicString::AtomicString(const std::string& str)
    : str_(str) {
}

std::string AtomicString::Get() const {
  std::mutex* mutex = const_cast<std::mutex*>(&lock_);
  std::lock_guard<std::mutex> lock(*mutex);
  return str_;
}

void AtomicString::Set(const std::string& str) {
  std::lock_guard<std::mutex> lock(lock_);
  str_ = str;
}

}  // namespace util