[Python-checkins] cpython: asyncio: Fix race in subprocess transport, by Victor Stinner.

[guido.van.rossum]

http://hg.python.org/cpython/rev/14161c960900
changeset:   88400:14161c960900
user:        Guido van Rossum <guido at python.org>
date:        Fri Jan 10 13:28:59 2014 -0800
summary:
  asyncio: Fix race in subprocess transport, by Victor Stinner.

files:
  Lib/asyncio/unix_events.py |  3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/Lib/asyncio/unix_events.py b/Lib/asyncio/unix_events.py
--- a/Lib/asyncio/unix_events.py
+++ b/Lib/asyncio/unix_events.py
@@ -160,9 +160,10 @@
             transp = _UnixSubprocessTransport(self, protocol, args, shell,
                                               stdin, stdout, stderr, bufsize,
                                               extra=None, **kwargs)
+            yield from transp._post_init()
             watcher.add_child_handler(transp.get_pid(),
                                       self._child_watcher_callback, transp)
-        yield from transp._post_init()
+
         return transp
 
     def _child_watcher_callback(self, pid, returncode, transp):

-- 
Repository URL: http://hg.python.org/cpython