From 4c79a83e0c0cb6c68a63c116857a18307cafd9c9 Mon Sep 17 00:00:00 2001
From: "Kurt B. Kaiser" <kbk@shore.net>
Date: Tue, 23 Nov 2004 18:06:08 +0000
Subject: Hye-Shik Chang's fix for Bug 875692.

Improve signal handling, especially when using threads, by forcing an early
re-execution of PyEval_EvalFrame() "periodic" code when things_to_do is not
cleared by Py_MakePendingCalls().

M Misc/NEWS
M Python/ceval.c
---
 Python/ceval.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'Python/ceval.c')

diff --git a/Python/ceval.c b/Python/ceval.c
index 4d26a7a735..85e35183f5 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -786,6 +786,12 @@ PyEval_EvalFrame(PyFrameObject *f)
 					why = WHY_EXCEPTION;
 					goto on_error;
 				}
+				if (things_to_do)
+					/* MakePendingCalls() didn't succeed.
+					   Force early re-execution of this
+					   "periodic" code, possibly after
+					   a thread switch */
+					_Py_Ticker = 0;
 			}
 #ifdef WITH_THREAD
 			if (interpreter_lock) {
-- 
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