signal framework ported to gevent

plugins/python/python_plugin.c

@@ -1213,6 +1213,7 @@ int uwsgi_python_signal_handler(uint8_t sig, void *handler) {
 	ret = python_call(handler, args, 0, NULL);
 	Py_DECREF(args);
 	if (ret) {
+		Py_DECREF(ret);
 		UWSGI_RELEASE_GIL;
 		return 0;
 	}

plugins/python/uwsgi_python.h

@@ -264,6 +264,8 @@ void uwsgi_python_reset_random_seed(void);
 
 char *uwsgi_pythonize(char *);
 
+#define uwsgi_pyexit {PyErr_Print();exit(1);}
+
 #ifdef __linux__
 #ifndef PYTHREE
 int uwsgi_init_symbol_import(void);