fixed http fd passing on POST

plugins/http/http.c

@@ -696,7 +696,7 @@ void http_loop() {
 							}
 
 							// fd passing: PERFORMANCE EXTREME BOOST !!!
-							if (uhttp_session->pass_fd) {
+							if (uhttp_session->pass_fd && !uhttp_session->remains) {
 								msg.msg_name    = NULL;
                 						msg.msg_namelen = 0;
                 						msg.msg_iov     = uhttp_session->iov;

plugins/python/python_plugin.c

@@ -832,6 +832,9 @@ int uwsgi_python_signal_handler(uint8_t sig, void *handler) {
 	if (!args)
 		return -1;
 
+	if (!handler) return -1;
+
+
 	PyTuple_SetItem(args, 0, PyInt_FromLong(sig));
 
 	ret = python_call(handler, args, 0);