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From: guy@sun.uucp (Guy Harris)
Newsgroups: comp.unix.questions
Subject: Re: catching signals while writing to a tty-line
Message-ID: <27741@sun.uucp>
Date: Fri, 11-Sep-87 04:17:14 EDT
Article-I.D.: sun.27741
Posted: Fri Sep 11 04:17:14 1987
Date-Received: Sat, 12-Sep-87 15:43:53 EDT
References: <589@euraiv1.UUCP> <2021@sfsup.UUCP>
Organization: Sun Microsystems, Inc. - Mtn View, CA
Lines: 11

> Previous versions of UNIX(R) behaved as you'd like it to - write returned
> the number of characters actually written.

Are you certain that *all* versions prior to S5 did this?  I am not aware of
any commonly distributed versions that did; V6 returned -1 and set "errno" to
EINTR, as did V7 (and thus 4BSD, at least if any data had actually been
transferred), as did System III.
-- 
	Guy Harris
	{ihnp4, decvax, seismo, decwrl, ...}!sun!guy
	guy@sun.com (or guy@sun.arpa)