commit 9a16fa69dda64ed01b2239a732c0445f22babb57
author Richard Oudkerk <shibturn@gmail.com> Sat May 05 20:41:08 2012 +0100
committer Richard Oudkerk <shibturn@gmail.com> Sat May 05 20:41:08 2012 +0100
tree 0bfcf7340ac53202c1db567ec9ee9120864329b6
parent c642f67c637b8a31d2e7781cb7b737b14937f711

Fix for issue 14725 for 2.7 branch

Lib/multiprocessing/connection.py

diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 530a8df..a02793f 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -348,7 +348,10 @@
             try:
                 win32.ConnectNamedPipe(handle, win32.NULL)
             except WindowsError, e:
-                if e.args[0] != win32.ERROR_PIPE_CONNECTED:
+                # ERROR_NO_DATA can occur if a client has already connected,
+                # written data and then disconnected -- see Issue 14725.
+                if e.args[0] not in (win32.ERROR_PIPE_CONNECTED,
+                                     win32.ERROR_NO_DATA):
                     raise
             return _multiprocessing.PipeConnection(handle)