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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/task_scheduler/task_scheduler.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/task_scheduler/scheduler_worker_pool_params.h"
#include "base/task_scheduler/task_scheduler_impl.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
namespace base {
namespace {
// |g_task_scheduler| is intentionally leaked on shutdown.
TaskScheduler* g_task_scheduler = nullptr;
} // namespace
// static
void TaskScheduler::CreateAndSetSimpleTaskScheduler(int max_threads) {
std::vector<SchedulerWorkerPoolParams> worker_pool_params_vector;
worker_pool_params_vector.emplace_back(
"Simple", ThreadPriority::NORMAL,
SchedulerWorkerPoolParams::StandbyThreadPolicy::LAZY, max_threads,
TimeDelta::FromSeconds(30));
CreateAndSetDefaultTaskScheduler(
worker_pool_params_vector,
Bind([](const TaskTraits&) -> size_t { return 0; }));
}
// static
void TaskScheduler::CreateAndSetDefaultTaskScheduler(
const std::vector<SchedulerWorkerPoolParams>& worker_pool_params_vector,
const WorkerPoolIndexForTraitsCallback&
worker_pool_index_for_traits_callback) {
SetInstance(internal::TaskSchedulerImpl::Create(
worker_pool_params_vector, worker_pool_index_for_traits_callback));
}
// static
void TaskScheduler::SetInstance(std::unique_ptr<TaskScheduler> task_scheduler) {
delete g_task_scheduler;
g_task_scheduler = task_scheduler.release();
}
// static
TaskScheduler* TaskScheduler::GetInstance() {
return g_task_scheduler;
}
} // namespace base
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