From: Guido van Rossum <guido@python.org>
Date: Wed, 17 Jul 2002 16:57:13 +0000 (+0000)
Subject: SF patch 552161 - Py_AddPendingCall doesn't unlock on fail (Daniel
X-Git-Tag: v2.3c1~4965
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=04e7032c6e7626741a8f211fe2494577420fe2df;p=python

SF patch 552161 - Py_AddPendingCall doesn't unlock on fail (Daniel
Dunbar)

Can't test this, but looks correct to me.
---

diff --git a/Python/ceval.c b/Python/ceval.c
index ab6d88b41a..50c832aa25 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -379,8 +379,10 @@ Py_AddPendingCall(int (*func)(void *), void *arg)
 	busy = 1;
 	i = pendinglast;
 	j = (i + 1) % NPENDINGCALLS;
-	if (j == pendingfirst)
+	if (j == pendingfirst) {
+		busy = 0;
 		return -1; /* Queue full */
+	}
 	pendingcalls[i].func = func;
 	pendingcalls[i].arg = arg;
 	pendinglast = j;