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Date:      Tue, 11 Mar 1997 21:06:48 +0300 (MSK)
From:      =?KOI8-R?B?4c7E0sXKIP7F0s7P1w==?= <ache@nagual.ru>
To:        Eivind Eklund <eivind@dimaga.com>
Cc:        Bruce Evans <bde@zeta.org.au>, brian@awfulhak.demon.co.uk, brian@utell.co.uk, current@freebsd.org
Subject:   Re: ppp
Message-ID:  <Pine.BSF.3.95q.970311210506.449C-100000@nagual.ru>
In-Reply-To: <3.0.32.19970311182952.00ca33a0@dimaga.com>

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On Tue, 11 Mar 1997, Eivind Eklund wrote:

> >The big difference here is pended (delayed) and not pended signals
> >handling. PPP code was written in assumptions that SIGALRM reaction
> >is not delayed, so if we trust developer, he choose timeout + handler
> >action in the way that signals not missed.
> 
> That would surprise me.  Every other 'weird' condition (like malloc
> returning NULL, or lines not being the apropriate length) seems to be
> assumed to never happen - why should we assume the signal handling was
> robust when nothing else is?  (I'll try to finish off the patches to those
> problems and send to Brian Real Soon Now.)

I don't want to say that it is robust currently. I say different thing:
even if we assume that it is robust, signal pending can broke it.

-- 
Andrey A. Chernov
<ache@null.net>
http://www.nagual.ru/~ache/




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