424   impl_(new Impl()) {  in ThreadPoolImpl()
432   impl_->JoinThreads(false);  in JoinAllThreads()
436   impl_->SetBackgroundThreadsInternal(num, true);  in SetBackgroundThreads()
440   return impl_->GetBackgroundThreads();  in GetBackgroundThreads()
444   return impl_->GetQueueLen();  in GetQueueLen()
448   impl_->JoinThreads(true);  in WaitForJobsAndJoinAllThreads()
452   impl_->LowerIOPriority();  in LowerIOPriority()
456   impl_->LowerCPUPriority();  in LowerCPUPriority()
460   impl_->SetBackgroundThreadsInternal(num, false);  in IncBackgroundThreadsIfNeeded()
465   impl_->Submit(std::move(copy), std::function<void()>(), nullptr);  in SubmitJob()
470   impl_->Submit(std::move(job), std::function<void()>(), nullptr);  in SubmitJob()
476     impl_->Submit(std::bind(function, arg), std::function<void()>(), tag);  in Schedule()
478     impl_->Submit(std::bind(function, arg), std::bind(unschedFunction, arg),  in Schedule()
484   return impl_->UnSchedule(arg);  in UnSchedule()
487 void ThreadPoolImpl::SetHostEnv(Env* env) { impl_->SetHostEnv(env); }  in SetHostEnv()
489 Env* ThreadPoolImpl::GetHostEnv() const { return impl_->GetHostEnv(); }  in GetHostEnv()
494   return impl_->GetThreadPriority();  in GetThreadPriority()
499   impl_->SetThreadPriority(priority);  in SetThreadPriority()