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// 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_G3_CONDITION_VARIABLE_H_
#define PLATFORM_IMPL_G3_CONDITION_VARIABLE_H_
#include "absl/synchronization/mutex.h"
#include "platform/api/condition_variable.h"
#include "platform/base/exception.h"
#include "platform/impl/g3/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};
}
Exception Wait(absl::Duration timeout) override {
cond_var_.WaitWithTimeout(mutex_, timeout);
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_IMPL_G3_CONDITION_VARIABLE_H_