1*6777b538SAndroid Build Coastguard Worker // Copyright 2020 The Chromium Authors 2*6777b538SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*6777b538SAndroid Build Coastguard Worker // found in the LICENSE file. 4*6777b538SAndroid Build Coastguard Worker 5*6777b538SAndroid Build Coastguard Worker #ifndef BASE_THREADING_THREADING_FEATURES_H_ 6*6777b538SAndroid Build Coastguard Worker #define BASE_THREADING_THREADING_FEATURES_H_ 7*6777b538SAndroid Build Coastguard Worker 8*6777b538SAndroid Build Coastguard Worker #include "base/base_export.h" 9*6777b538SAndroid Build Coastguard Worker #include "base/feature_list.h" 10*6777b538SAndroid Build Coastguard Worker #include "build/build_config.h" 11*6777b538SAndroid Build Coastguard Worker 12*6777b538SAndroid Build Coastguard Worker #if BUILDFLAG(IS_APPLE) 13*6777b538SAndroid Build Coastguard Worker #include "base/metrics/field_trial_params.h" 14*6777b538SAndroid Build Coastguard Worker #endif 15*6777b538SAndroid Build Coastguard Worker 16*6777b538SAndroid Build Coastguard Worker namespace base { 17*6777b538SAndroid Build Coastguard Worker 18*6777b538SAndroid Build Coastguard Worker #if BUILDFLAG(IS_APPLE) 19*6777b538SAndroid Build Coastguard Worker BASE_EXPORT BASE_DECLARE_FEATURE(kOptimizedRealtimeThreadingMac); 20*6777b538SAndroid Build Coastguard Worker extern const BASE_EXPORT FeatureParam<bool> 21*6777b538SAndroid Build Coastguard Worker kOptimizedRealtimeThreadingMacPreemptible; 22*6777b538SAndroid Build Coastguard Worker extern const BASE_EXPORT FeatureParam<double> 23*6777b538SAndroid Build Coastguard Worker kOptimizedRealtimeThreadingMacBusy; 24*6777b538SAndroid Build Coastguard Worker extern const BASE_EXPORT FeatureParam<double> 25*6777b538SAndroid Build Coastguard Worker kOptimizedRealtimeThreadingMacBusyLimit; 26*6777b538SAndroid Build Coastguard Worker extern const BASE_EXPORT Feature kUserInteractiveCompositingMac; 27*6777b538SAndroid Build Coastguard Worker #endif 28*6777b538SAndroid Build Coastguard Worker 29*6777b538SAndroid Build Coastguard Worker #if BUILDFLAG(IS_WIN) 30*6777b538SAndroid Build Coastguard Worker BASE_EXPORT BASE_DECLARE_FEATURE(kAboveNormalCompositingBrowserWin); 31*6777b538SAndroid Build Coastguard Worker BASE_EXPORT BASE_DECLARE_FEATURE(kBackgroundThreadNormalMemoryPriorityWin); 32*6777b538SAndroid Build Coastguard Worker #endif 33*6777b538SAndroid Build Coastguard Worker 34*6777b538SAndroid Build Coastguard Worker BASE_EXPORT BASE_DECLARE_FEATURE(kEnableHangWatcher); 35*6777b538SAndroid Build Coastguard Worker BASE_EXPORT BASE_DECLARE_FEATURE(kEnableHangWatcherInZygoteChildren); 36*6777b538SAndroid Build Coastguard Worker 37*6777b538SAndroid Build Coastguard Worker } // namespace base 38*6777b538SAndroid Build Coastguard Worker 39*6777b538SAndroid Build Coastguard Worker #endif // BASE_THREADING_THREADING_FEATURES_H_ 40