Re: PATCH: more selection

[Peter Stephenson <pws@xxxxxxx>]

Borsenkow Andrej wrote:
> My only concern is that if there is any chance handler will block you can
> just as well kill your shell - there is no way to give shell input
> anymore.

Yes, you could use `read -t' to read from it.  But unless someone else
has been tinkering with the fd before the handler get's to look at it,
the result of the select assures you that the first read won't block.

There's some rudimentary support for recovery: if there's an error in
a handler (e.g. ^C), the error flag is unset and the select is tried
again with all the handlers removed (it could simply drop through to the
read).  It could be altered so that this actually uninstalled the
handler in question.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 392070


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