mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
Janusz Sobczak
3adb98a5ff
FastPairScanner::ScanningSession and ScannerBroker::ScanningSession separate the lifetime of FastPairScanner/ScannerBroker from the lifetime of scanning sessions. This simplifies the cleanup. PiperOrigin-RevId: 535675988
49 lines
1.8 KiB
C++
49 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_PUBLIC_SINGLE_THREAD_EXECUTOR_H_
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#define PLATFORM_PUBLIC_SINGLE_THREAD_EXECUTOR_H_
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#include "absl/base/thread_annotations.h"
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#include "internal/platform/submittable_executor.h"
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namespace nearby {
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// An Executor that uses a single worker thread operating off an unbounded
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// queue.
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//
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// https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Executors.html#newSingleThreadExecutor--
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class ABSL_LOCKABLE SingleThreadExecutor : public SubmittableExecutor {
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public:
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using Platform = api::ImplementationPlatform;
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SingleThreadExecutor()
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: SubmittableExecutor(Platform::CreateSingleThreadExecutor()) {}
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~SingleThreadExecutor() override = default;
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SingleThreadExecutor(SingleThreadExecutor&&) = default;
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SingleThreadExecutor& operator=(SingleThreadExecutor&&) = default;
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};
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// Moves the object to `executor` and destroys it there.
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// This pattern is useful when there are some tasks running on `executor` that
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// hold a reference to `object`. The tasks will complete before `object` is
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// destroyed.
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template <typename T>
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void DestroyOnExecutor(T object, SingleThreadExecutor* executor) {
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executor->Execute([object = std::move(object)] {});
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}
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} // namespace nearby
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#endif // PLATFORM_PUBLIC_SINGLE_THREAD_EXECUTOR_H_
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