From: Berker Peksag <berker.peksag@gmail.com>
Date: Sat, 23 Jul 2016 04:13:14 +0000 (+0300)
Subject: Issue #27591: Set sigint_event to NULL if _PyOS_IsMainThread() returns false
X-Git-Tag: v3.6.0a4~135^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1fd497ed91a14eabaf37e9b3f17dde8c3169ef25;p=thirdparty%2FPython%2Fcpython.git

Issue #27591: Set sigint_event to NULL if _PyOS_IsMainThread() returns false

Patch by Chris Angelico.
---

diff --git a/Modules/_multiprocessing/semaphore.c b/Modules/_multiprocessing/semaphore.c
index de85a90d472a..cea962ab26c3 100644
--- a/Modules/_multiprocessing/semaphore.c
+++ b/Modules/_multiprocessing/semaphore.c
@@ -114,6 +114,9 @@ semlock_acquire(SemLockObject *self, PyObject *args, PyObject *kwds)
         assert(sigint_event != NULL);
         handles[nhandles++] = sigint_event;
     }
+    else {
+        sigint_event = NULL;
+    }
 
     /* do the wait */
     Py_BEGIN_ALLOW_THREADS