From f09994e5273e358c5fc764db681bd3dafecc3e2d Mon Sep 17 00:00:00 2001
From: Alex Martelli <aleaxit@gmail.com>
Date: Sun, 9 Nov 2003 16:44:09 +0000
Subject: [PATCH] fixed wrong error checking on fcntl call as per SF bug #
 821896 (same as commit of Sun Nov 2 to the release23-maint branch)

---
 Lib/tempfile.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index 472fd83155b..1405a7f7424 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -47,8 +47,9 @@ except (ImportError, AttributeError):
         pass
 else:
     def _set_cloexec(fd):
-        flags = _fcntl.fcntl(fd, _fcntl.F_GETFD, 0)
-        if flags >= 0:
+        try: flags = _fcntl.fcntl(fd, _fcntl.F_GETFD, 0)
+        except IOError: pass
+        else:
             # flags read successfully, modify
             flags |= _fcntl.FD_CLOEXEC
             _fcntl.fcntl(fd, _fcntl.F_SETFD, flags)