127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
// Copyright 2019 The Chromium 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 "base/task/thread_pool.h"
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#include "base/logging.h"
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#include "base/task/scoped_set_task_priority_for_current_thread.h"
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#include "base/task/task_traits.h"
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#include "base/task/thread_pool/thread_pool_impl.h"
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#include "base/task/thread_pool/thread_pool_instance.h"
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#include "base/threading/post_task_and_reply_impl.h"
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namespace base {
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namespace {
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class PostTaskAndReplyWithTraitsTaskRunner
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: public internal::PostTaskAndReplyImpl {
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public:
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explicit PostTaskAndReplyWithTraitsTaskRunner(const TaskTraits& traits)
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: traits_(traits) {}
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private:
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bool PostTask(const Location& from_here, OnceClosure task) override {
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ThreadPool::PostTask(from_here, traits_, std::move(task));
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return true;
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}
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const TaskTraits traits_;
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};
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internal::ThreadPoolImpl* GetThreadPoolImpl() {
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auto* instance = ThreadPoolInstance::Get();
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DCHECK(instance)
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<< "Ref. Prerequisite section of base/task/thread_pool.h.\n"
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"Hint: if this is in a unit test, you're likely merely missing a "
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"base::test::TaskEnvironment member in your fixture (or your fixture "
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"is using a base::test::SingleThreadTaskEnvironment and now needs a "
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"full base::test::TaskEnvironment).\n";
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return static_cast<internal::ThreadPoolImpl*>(instance);
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}
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} // namespace
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// static
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bool ThreadPool::PostTask(const Location& from_here, OnceClosure task) {
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return ThreadPool::PostDelayedTask(from_here, std::move(task), TimeDelta());
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}
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// static
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bool ThreadPool::PostDelayedTask(const Location& from_here,
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OnceClosure task,
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TimeDelta delay) {
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return ThreadPool::PostDelayedTask(from_here, {}, std::move(task), delay);
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}
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// static
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bool ThreadPool::PostTaskAndReply(const Location& from_here,
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OnceClosure task,
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OnceClosure reply) {
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return ThreadPool::PostTaskAndReply(from_here, {}, std::move(task),
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std::move(reply));
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}
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// static
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bool ThreadPool::PostTask(const Location& from_here,
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const TaskTraits& traits,
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OnceClosure task) {
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return ThreadPool::PostDelayedTask(from_here, traits, std::move(task),
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TimeDelta());
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}
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// static
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bool ThreadPool::PostDelayedTask(const Location& from_here,
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const TaskTraits& traits,
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OnceClosure task,
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TimeDelta delay) {
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return GetThreadPoolImpl()->PostDelayedTask(from_here, traits,
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std::move(task), delay);
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}
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// static
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bool ThreadPool::PostTaskAndReply(const Location& from_here,
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const TaskTraits& traits,
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OnceClosure task,
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OnceClosure reply) {
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return PostTaskAndReplyWithTraitsTaskRunner(traits).PostTaskAndReply(
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from_here, std::move(task), std::move(reply));
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}
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// static
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scoped_refptr<TaskRunner> ThreadPool::CreateTaskRunner(
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const TaskTraits& traits) {
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return GetThreadPoolImpl()->CreateTaskRunner(traits);
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}
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// static
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scoped_refptr<SequencedTaskRunner> ThreadPool::CreateSequencedTaskRunner(
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const TaskTraits& traits) {
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return GetThreadPoolImpl()->CreateSequencedTaskRunner(traits);
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}
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// static
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scoped_refptr<UpdateableSequencedTaskRunner>
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ThreadPool::CreateUpdateableSequencedTaskRunner(const TaskTraits& traits) {
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return GetThreadPoolImpl()->CreateUpdateableSequencedTaskRunner(traits);
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}
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// static
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scoped_refptr<SingleThreadTaskRunner> ThreadPool::CreateSingleThreadTaskRunner(
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const TaskTraits& traits,
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SingleThreadTaskRunnerThreadMode thread_mode) {
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return GetThreadPoolImpl()->CreateSingleThreadTaskRunner(traits, thread_mode);
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}
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#if defined(OS_WIN)
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// static
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scoped_refptr<SingleThreadTaskRunner> ThreadPool::CreateCOMSTATaskRunner(
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const TaskTraits& traits,
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SingleThreadTaskRunnerThreadMode thread_mode) {
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return GetThreadPoolImpl()->CreateCOMSTATaskRunner(traits, thread_mode);
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}
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#endif // defined(OS_WIN)
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} // namespace base
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