From 61a84eece37a46c659d3dff48394347a0fcbd932 Mon Sep 17 00:00:00 2001
From: "Paul J. Davis" <paul.joseph.davis@gmail.com>
Date: Mon, 15 Mar 2010 22:59:26 -0400
Subject: [PATCH] Be more considerate to future me.

Sergey points out that its more proper to |= with the current value of
the fd flags. I concur.
---
 gunicorn/util.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gunicorn/util.py b/gunicorn/util.py
index 0b5a1f44..4f809571 100644
--- a/gunicorn/util.py
+++ b/gunicorn/util.py
@@ -76,7 +76,9 @@ def get_maxfd():
     return maxfd
 
 def close_on_exec(fd):
-    fcntl.fcntl(fd, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
+    flags = fcntl.fcntl(fd, fcntl.F_GETFD)
+    flags |= fcntl.FD_CLOEXEC
+    fcntl.fcntl(fd, fcntl.F_SETFD, flags)
     
 def set_non_blocking(fd):
     flags = fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK