(If possible, please preserve the 611591-forwarded address in any replies.)

It looks like there may be a problem with wait_for_termination() on
GNU/Hurd systems.

Samuel Thibault <sthibault@debian.org> writes:

> emacs23 would sometimes hang while waiting for a child. This is because
> wait_for_termination assumes that on all BSD-like systems kill() returns
> -1 on zombies. It happens that GNU/Hurd is a BSD-like system, but its
> kill() returns 0 on zombies.
>
> The attached patch fixes that.