스레드 재수정

impl/Utils/ThreadPool.cpp

@@ -4,10 +4,20 @@
 namespace Chattr {
 
 ThreadPool::ThreadPool(std::uint32_t numThreads) {
-	workers_.reserve(numThreads);
+	int numCPU = numThreads;
+	if (numThreads == 0) {
+#ifdef _WIN32
+	SYSTEM_INFO sysinfo;
+	GetSystemInfo(&sysinfo);
+	numCPU = sysinfo.dwNumberOfProcessors;
+#elif __linux__
+	numCPU = sysconf(_SC_NPROCESSORS_ONLN);
+#endif
+	}
+	workers_.reserve(numCPU);
 
-	while (numThreads--)
-		workers_.push_back([this]() -> int { this->Worker(); return 1; });
+	while (numCPU--)
+		workers_.push_back([this]() { this->Worker(); });
 }
 
 ThreadPool::~ThreadPool() {
@@ -24,9 +34,9 @@ void* ThreadPool::Worker() {
 #elif __linux__
 	pthread_t pid = pthread_self();
 #endif
+	spdlog::info("ThreadPool Worker : {} up.", pid);
 	while (!terminate_) {
 		std::unique_lock<std::mutex> lock(jobQueueMutex);
-		spdlog::info("ThreadPool Worker : {} Waiting for a job", pid);
 		jobQueueCV_.wait(lock, [this]() { return !this->jobs_.empty() || terminate_; });
 		if (this->jobs_.empty())
 			return nullptr;