mirror of
https://github.com/kidfromjupiter/nearby.git
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Alexey Polyudov
7e19ffbab7
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I83ec7dee1a7ef6f4bdfd47482c94d03910525b7e
51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#ifndef PLATFORM_V2_PUBLIC_CONDITION_VARIABLE_H_
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#define PLATFORM_V2_PUBLIC_CONDITION_VARIABLE_H_
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#include "platform_v2/api/condition_variable.h"
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#include "platform_v2/api/platform.h"
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#include "platform_v2/base/exception.h"
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#include "platform_v2/public/mutex.h"
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namespace location {
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namespace nearby {
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// The ConditionVariable class is a synchronization primitive that can be used
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// to block a thread, or multiple threads at the same time, until another thread
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// both modifies a shared variable (the condition), and notifies the
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// ConditionVariable.
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class ConditionVariable final {
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public:
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using Platform = api::ImplementationPlatform;
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explicit ConditionVariable(Mutex* mutex)
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: impl_(Platform::CreateConditionVariable(mutex->impl_.get())) {}
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ConditionVariable(ConditionVariable&&) = default;
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ConditionVariable& operator=(ConditionVariable&&) = default;
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// https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--
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void Notify() { impl_->Notify(); }
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// https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--
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Exception Wait() { return impl_->Wait(); }
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private:
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std::unique_ptr<api::ConditionVariable> impl_;
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_V2_PUBLIC_CONDITION_VARIABLE_H_
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