Files
nearby/cpp/platform_v2/impl/g3/condition_variable.h
T
Alexey Polyudov 4baa1ce96a Roll forward to cl/314747126
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: Ie19e006429b138b3768e97dae971a43fdc5ef8bf
2020-06-04 13:50:45 -07:00

48 lines
1.4 KiB
C++

// 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_V2_IMPL_G3_CONDITION_VARIABLE_H_
#define PLATFORM_V2_IMPL_G3_CONDITION_VARIABLE_H_
#include "platform_v2/api/condition_variable.h"
#include "platform_v2/base/exception.h"
#include "platform_v2/impl/g3/mutex.h"
#include "absl/synchronization/mutex.h"
namespace location {
namespace nearby {
namespace g3 {
class ConditionVariable : public api::ConditionVariable {
public:
explicit ConditionVariable(g3::Mutex* mutex) : mutex_(&mutex->mutex_) {}
~ConditionVariable() override = default;
Exception Wait() override {
cond_var_.Wait(mutex_);
return {Exception::kSuccess};
}
void Notify() override { cond_var_.SignalAll(); }
private:
absl::Mutex* mutex_;
absl::CondVar cond_var_;
};
} // namespace g3
} // namespace nearby
} // namespace location
#endif // PLATFORM_V2_IMPL_G3_CONDITION_VARIABLE_H_