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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/fml/memory/task_runner_checker.h"
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namespace fml {
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TaskRunnerChecker::TaskRunnerChecker()
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: initialized_queue_id_(InitTaskQueueId()){};
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TaskRunnerChecker::~TaskRunnerChecker() = default;
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bool TaskRunnerChecker::RunsOnCreationTaskRunner() const {
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FML_CHECK(fml::MessageLoop::IsInitializedForCurrentThread());
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const auto current_queue_id = MessageLoop::GetCurrentTaskQueueId();
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return RunsOnTheSameThread(current_queue_id, initialized_queue_id_);
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};
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bool TaskRunnerChecker::RunsOnTheSameThread(TaskQueueId queue_a,
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TaskQueueId queue_b) {
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if (queue_a == queue_b) {
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return true;
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}
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auto queues = MessageLoopTaskQueues::GetInstance();
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if (queues->Owns(queue_a, queue_b)) {
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return true;
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}
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if (queues->Owns(queue_b, queue_a)) {
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return true;
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}
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return false;
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};
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TaskQueueId TaskRunnerChecker::InitTaskQueueId() {
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MessageLoop::EnsureInitializedForCurrentThread();
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return MessageLoop::GetCurrentTaskQueueId();
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};
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} // namespace fml
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