Re: Bug+patch: zsh fails to set itself as process group leader when running interactively

[Peter Stephenson <pws@csr.com>]

Philippe Troin <phil@fifi.org> writes:
> Found in 4.0.6 (and earlier).
> 
> If zsh is spawned interactively from another program, it fails to
> establish itself as a process group leader, leading to deliveries of
> terminal-related signals to both zsh and its parent. Generally the
> parent dies, leaving two shells reading from the same terminal.
>
> Terminal I/O is pretty tricky, so I hope I did not screw up anything :-)

I'm not really competent to look at terminal process group handling.  I am
committing this on the main trunk and if it seems to work we can put it on
4.0, too.  I suspect it's a good deal better than the old code.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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