From 2f81f5de275c8dad13c5497c540ab96952a24071 Mon Sep 17 00:00:00 2001
From: Alexey Borzenkov <snaury@gmail.com>
Date: Mon, 28 Feb 2011 00:48:00 +0300
Subject: [PATCH] Make GreenletExit based on BaseException on Python >= 2.5

This way it is more similar to SystemExit and becomes a little
harder to accidentally catch with "except Exception:" statement.
---
 greenlet.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/greenlet.c b/greenlet.c
index 25358ce8..973a12c5 100755
--- a/greenlet.c
+++ b/greenlet.c
@@ -1266,8 +1266,13 @@ void initgreenlet(void)
 	{
 		INITERROR;
 	}
+#if PY_MAJOR_VERSION >= 3 || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION >= 5)
+	PyExc_GreenletExit = PyErr_NewException("greenlet.GreenletExit",
+						PyExc_BaseException, NULL);
+#else
 	PyExc_GreenletExit = PyErr_NewException("greenlet.GreenletExit",
 						NULL, NULL);
+#endif
 	if (PyExc_GreenletExit == NULL)
 	{
 		INITERROR;