From: Antoine Pitrou <solipsis@pitrou.net>
Date: Mon, 9 May 2011 19:00:28 +0000 (+0200)
Subject: os.dup()-then-close() can be replaced with detach()
X-Git-Tag: v3.3.0a1~2331
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5aa878c61a7ecf043ac390672b997adbe7e340d0;p=python

os.dup()-then-close() can be replaced with detach()
---

diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index afd580bff2..415e21066a 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -469,10 +469,8 @@ if sys.platform != 'win32':
         '''
         if duplex:
             s1, s2 = socket.socketpair()
-            c1 = Connection(os.dup(s1.fileno()))
-            c2 = Connection(os.dup(s2.fileno()))
-            s1.close()
-            s2.close()
+            c1 = Connection(s1.detach())
+            c2 = Connection(s2.detach())
         else:
             fd1, fd2 = os.pipe()
             c1 = Connection(fd1, writable=False)