Function startThread

flow/Platform.actor.cpp:2845–2847

#ifdef _WIN32
THREAD_HANDLE startThread(void (*func)(void*), void* arg, int stackSize, const char* name) {
	return (void*)_beginthread(func, stackSize, arg);
}
#elif (defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__))
THREAD_HANDLE startThread(void* (*func)(void*), void* arg, int stackSize, const char* name) {
	pthread_t t;