blob: 8337edd8e3ca1eb53f5f2b9fed785662b4b3e030 [file] [log] [blame]
// Copyright 2020 Google LLC
//
// 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
//
// https://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.
#ifndef PLATFORM_IMPL_WINDOWS_ATOMIC_BOOLEAN_H_
#define PLATFORM_IMPL_WINDOWS_ATOMIC_BOOLEAN_H_
#include <atomic>
#include "platform/api/atomic_boolean.h"
namespace location {
namespace nearby {
namespace windows {
// A boolean value that may be updated atomically.
class AtomicBoolean : public api::AtomicBoolean {
public:
~AtomicBoolean() override = default;
// Atomically read and return current value.
bool Get() const override { return atomic_boolean_; };
// Atomically exchange original value with a new one. Return previous value.
bool Set(bool value) override { return atomic_boolean_.exchange(value); };
private:
std::atomic_bool atomic_boolean_;
};
} // namespace windows
} // namespace nearby
} // namespace location
#endif // PLATFORM_IMPL_WINDOWS_ATOMIC_BOOLEAN_H_