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46b4a0f3fa
It isn't used and can easily be replaced with posting a task, as shown in the changes to the unit test. Also removing the sequenced task checker that no longer adds any value. We now ensure that the task can only be stopped with a reference to the task queue it runs on. Bug: webrtc:10365 Change-Id: Ie8aef6f742c55db1fb686f20c2a28c606c721fa0 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/129725 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27292}
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* Copyright 2019 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/task_utils/repeating_task.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/task_utils/to_queued_task.h"
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#include "rtc_base/time_utils.h"
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namespace webrtc {
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namespace webrtc_repeating_task_impl {
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RepeatingTaskBase::RepeatingTaskBase(TaskQueueBase* task_queue,
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TimeDelta first_delay)
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: task_queue_(task_queue),
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next_run_time_(Timestamp::us(rtc::TimeMicros()) + first_delay) {}
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RepeatingTaskBase::~RepeatingTaskBase() = default;
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bool RepeatingTaskBase::Run() {
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RTC_DCHECK_RUN_ON(task_queue_);
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// Return true to tell the TaskQueue to destruct this object.
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if (next_run_time_.IsPlusInfinity())
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return true;
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TimeDelta delay = RunClosure();
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// The closure might have stopped this task, in which case we return true to
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// destruct this object.
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if (next_run_time_.IsPlusInfinity())
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return true;
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RTC_DCHECK(delay.IsFinite());
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TimeDelta lost_time = Timestamp::us(rtc::TimeMicros()) - next_run_time_;
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next_run_time_ += delay;
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delay -= lost_time;
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delay = std::max(delay, TimeDelta::Zero());
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task_queue_->PostDelayedTask(absl::WrapUnique(this), delay.ms());
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// Return false to tell the TaskQueue to not destruct this object since we
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// have taken ownership with absl::WrapUnique.
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return false;
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}
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void RepeatingTaskBase::Stop() {
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RTC_DCHECK(next_run_time_.IsFinite());
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next_run_time_ = Timestamp::PlusInfinity();
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}
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} // namespace webrtc_repeating_task_impl
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RepeatingTaskHandle::RepeatingTaskHandle(RepeatingTaskHandle&& other)
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: repeating_task_(other.repeating_task_) {
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other.repeating_task_ = nullptr;
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}
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RepeatingTaskHandle& RepeatingTaskHandle::operator=(
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RepeatingTaskHandle&& other) {
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repeating_task_ = other.repeating_task_;
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other.repeating_task_ = nullptr;
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return *this;
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}
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RepeatingTaskHandle::RepeatingTaskHandle(
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webrtc_repeating_task_impl::RepeatingTaskBase* repeating_task)
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: repeating_task_(repeating_task) {}
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void RepeatingTaskHandle::Stop() {
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if (repeating_task_) {
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RTC_DCHECK_RUN_ON(repeating_task_->task_queue_);
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repeating_task_->Stop();
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repeating_task_ = nullptr;
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}
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}
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bool RepeatingTaskHandle::Running() const {
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return repeating_task_ != nullptr;
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}
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} // namespace webrtc
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