On EINPROGRESS, we need to also check for read events (because openBSD lies)

“It is possible to select(2) or poll(2) for completion by selecting the
socket for writing”

Yeah, sure, “writing”…

louloulibs/network/poller.cpp

@@ -186,7 +186,8 @@ int Poller::poll(const std::chrono::milliseconds& timeout)
             socket_handler->on_send();
             nb_events--;
         }
-      else if (this->fds[i].revents & POLLOUT)
+      else if (this->fds[i].revents & POLLOUT ||
+               this->fds[i].revents & POLLIN)
         {
           socket_handler->connect();
           nb_events--;