| // 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. |
| |
| #ifndef BASE_TASK_SCHEDULER_SCHEDULER_WORKER_POOL_PARAMS_H_ |
| #define BASE_TASK_SCHEDULER_SCHEDULER_WORKER_POOL_PARAMS_H_ |
| |
| #include "base/task_scheduler/scheduler_worker_params.h" |
| #include "base/time/time.h" |
| |
| namespace base { |
| |
| class BASE_EXPORT SchedulerWorkerPoolParams final { |
| public: |
| enum class StandbyThreadPolicy { |
| // Create threads as needed on demand, reclaimed as necessary. |
| LAZY, |
| // When possible, keep one idle thread alive on standby, reclaimed as |
| // necessary. |
| ONE, |
| }; |
| |
| // Constructs a set of params used to initialize a pool. The pool will contain |
| // up to |max_threads|. |standby_thread_policy| indicates whether an idle |
| // thread should be kept alive on standby. |suggested_reclaim_time| sets a |
| // suggestion on when to reclaim idle threads. The pool is free to ignore this |
| // value for performance or correctness reasons. |backward_compatibility| |
| // indicates whether backward compatibility is enabled. |
| SchedulerWorkerPoolParams( |
| StandbyThreadPolicy standby_thread_policy, |
| int max_threads, |
| TimeDelta suggested_reclaim_time, |
| SchedulerBackwardCompatibility backward_compatibility = |
| SchedulerBackwardCompatibility::DISABLED); |
| |
| SchedulerWorkerPoolParams(const SchedulerWorkerPoolParams& other); |
| SchedulerWorkerPoolParams& operator=(const SchedulerWorkerPoolParams& other); |
| |
| StandbyThreadPolicy standby_thread_policy() const { |
| return standby_thread_policy_; |
| } |
| int max_threads() const { return max_threads_; } |
| TimeDelta suggested_reclaim_time() const { return suggested_reclaim_time_; } |
| SchedulerBackwardCompatibility backward_compatibility() const { |
| return backward_compatibility_; |
| } |
| |
| private: |
| StandbyThreadPolicy standby_thread_policy_; |
| int max_threads_; |
| TimeDelta suggested_reclaim_time_; |
| SchedulerBackwardCompatibility backward_compatibility_; |
| }; |
| |
| } // namespace base |
| |
| #endif // BASE_TASK_SCHEDULER_SCHEDULER_WORKER_POOL_PARAMS_H_ |