[Bug 24101] Recursive CreateProcess() fails

http://bugs.winehq.org/show_bug.cgi?id=24101

--- Comment #37 from Ken Thomases  2010-09-23 12:57:48 CDT ---
(In reply to comment #36)
> I suppose there could be a bug in the kernel such that the file object is not
> independent of the sending user process until it's been copied to the receiving
> process.

Another theory is that, since the fd is a socket, the close() is doing an
implicit shutdown(SHUT_RDWR).  So, the receiver is getting a file descriptor
which is still open, nominally, but can't be used for reading or writing.