commit f09994e5273e358c5fc764db681bd3dafecc3e2d
author Alex Martelli <aleaxit@gmail.com> Sun Nov 09 16:44:09 2003 +0000
committer Alex Martelli <aleaxit@gmail.com> Sun Nov 09 16:44:09 2003 +0000
tree cbc25c6168dcaaf08fed6c168e447bbea923fd16
parent 0c5b4ad8f2c83b8c7731731ae0ed48b95da9515e

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

diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index 472fd83..1405a7f 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -47,8 +47,9 @@
         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)