chromium/third_party/ruy/src/ruy/thread_pool.cc

/* Copyright 2019 Google LLC. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/

#include "ruy/thread_pool.h"

#include <atomic>
#include <chrono>              // NOLINT(build/c++11)
#include <condition_variable>  // NOLINT(build/c++11)
#include <cstdint>
#include <cstdlib>
#include <memory>
#include <mutex>   // NOLINT(build/c++11)
#include <thread>  // NOLINT(build/c++11)

#include "ruy/check_macros.h"
#include "ruy/denormal.h"
#include "ruy/trace.h"
#include "ruy/wait.h"

namespace ruy {

// A worker thread.
class Thread { … };

void ThreadPool::ExecuteImpl(int task_count, int stride, Task* tasks) { … }

// Ensures that the pool has at least the given count of threads.
// If any new thread has to be created, this function waits for it to
// be ready.
void ThreadPool::CreateThreads(int threads_count) { … }

ThreadPool::~ThreadPool() { … }

}  // end namespace ruy