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https://github.com/kidfromjupiter/nearby.git
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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
// Copyright 2021 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_IMPL_WINDOWS_TIMER_H_
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#define PLATFORM_IMPL_WINDOWS_TIMER_H_
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#include <windows.h>
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#include <memory>
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#include <vector>
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#include "absl/base/thread_annotations.h"
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#include "absl/functional/any_invocable.h"
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#include "absl/synchronization/mutex.h"
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#include "internal/platform/implementation/cancelable.h"
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#include "internal/platform/implementation/timer.h"
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#include "internal/platform/implementation/windows/submittable_executor.h"
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#include "internal/platform/implementation/windows/task_scheduler.h"
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namespace nearby {
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namespace windows {
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class Timer : public api::Timer {
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public:
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Timer();
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~Timer() override;
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bool Create(int delay, int interval,
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absl::AnyInvocable<void()> callback) override
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ABSL_LOCKS_EXCLUDED(mutex_);
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bool Stop() override ABSL_LOCKS_EXCLUDED(mutex_);
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bool FireNow() override ABSL_LOCKS_EXCLUDED(mutex_);
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private:
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static void CALLBACK TimerRoutine(PVOID lpParam, BOOLEAN TimerOrWaitFired);
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mutable absl::Mutex mutex_;
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const bool use_task_scheduler_;
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int delay_ ABSL_GUARDED_BY(mutex_);
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int interval_ ABSL_GUARDED_BY(mutex_);
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absl::AnyInvocable<void()> callback_;
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HANDLE handle_ ABSL_GUARDED_BY(mutex_) = nullptr;
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HANDLE timer_queue_handle_ ABSL_GUARDED_BY(mutex_) = nullptr;
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std::unique_ptr<SubmittableExecutor> task_executor_ ABSL_GUARDED_BY(mutex_) =
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nullptr;
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TaskScheduler task_scheduler_ ABSL_GUARDED_BY(mutex_);
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std::shared_ptr<api::Cancelable> cancelable_task_ ABSL_GUARDED_BY(mutex_) =
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nullptr;
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};
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} // namespace windows
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} // namespace nearby
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#endif // PLATFORM_IMPL_WINDOWS_TIMER_H_
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