Files
NP_Midterm/include/Utils/ThreadPool.hpp

42 lines
1.0 KiB
C++

#pragma once
#include "Thread.hpp"
#include <vector>
#include <queue>
#include <functional>
#include <condition_variable>
#include <mutex>
#include <memory>
namespace Chattr {
class ThreadPool {
public:
ThreadPool(std::uint32_t numThreads);
~ThreadPool();
template<typename _Callable, typename... _Args>
requires ReturnsVoidPtr<_Callable, _Args...> && (!std::is_same_v<std::decay_t<_Callable>, Thread>)
int enqueueJob(_Callable&& __job, void* retVal, _Args&&... __args) {
if (terminate_) {
spdlog::error("Cannot run jobs on threads that terminating...");
return -1;
}
std::lock_guard<std::mutex> lock(jobQueueMutex);
auto boundFunc = std::bind(std::forward<_Callable>(__job), std::forward<_Args>(__args)...);
std::function<void*()> job(std::move(boundFunc));
jobs_.push(job, retVal);
jobQueueCV_.notify_one();
}
private:
void* Worker();
std::condition_variable jobQueueCV_;
std::mutex jobQueueMutex;
std::queue<std::pair<std::function<void*()>, void*>> jobs_;
std::vector<Chattr::Thread> workers_;
bool terminate_ = false;
};
}