Fix #160

httplib.h

@@ -1736,13 +1736,14 @@ inline bool Server::listen_internal() {
   is_running_ = true;
 
   for (;;) {
-    auto val = detail::select_read(svr_sock_, 0, 100000);
-
-    if (val == 0) { // Timeout
     if (svr_sock_ == INVALID_SOCKET) {
       // The server socket was closed by 'stop' method.
       break;
     }
+
+    auto val = detail::select_read(svr_sock_, 0, 100000);
+
+    if (val == 0) { // Timeout
       continue;
     }