blob: be1f70a58086d31ab58f3bb9087b80315e54d27e [file] [log] [blame]
// Copyright 2018 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/base_export.h"
#include "base/metrics/field_trial_params.h"
#include "build/build_config.h"
namespace base {
struct Feature;
extern const BASE_EXPORT Feature kAllTasksUserBlocking;
extern const BASE_EXPORT Feature kMergeBlockingNonBlockingPools;
// Under this feature, unused threads in ThreadGroup are only detached
// if the total number of threads in the pool is above the initial capacity.
extern const BASE_EXPORT Feature kNoDetachBelowInitialCapacity;
// Under this feature, workers blocked with MayBlock are replaced immediately
// instead of waiting for a threshold.
extern const BASE_EXPORT Feature kMayBlockWithoutDelay;
#if defined(OS_WIN) || defined(OS_MACOSX)
// Under this feature, ThreadPoolImpl will use a ThreadGroup backed by a
// native thread pool implementation. The Windows Thread Pool API and
// libdispatch are used on Windows and macOS/iOS respectively.
extern const BASE_EXPORT Feature kUseNativeThreadPool;
// Whether threads in the ThreadPool should be reclaimed after being idle for 5
// minutes, instead of 30 seconds.
extern const BASE_EXPORT Feature kUseFiveMinutesThreadReclaimTime;
} // namespace base