Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!husc6!m2c!jjmhome!smds!rh
From: rh@smds.UUCP (Richard Harter)
Newsgroups: comp.lang.c
Subject: Re: longjmp out of signal handler (was Re: alloca() portability)
Summary: Thanks, I think.
Message-ID: <257@smds.UUCP>
Date: 24 Nov 90 06:47:11 GMT
References: <14377@smoke.brl.mil> <9122@ncar.ucar.edu> <27537@mimsy.umd.edu> <1990Nov21.181358.8660@zoo.toronto.edu>
Organization: SMDS Inc., Concord, MA
Lines: 20

In article <1990Nov21.181358.8660@zoo.toronto.edu>, henry@zoo.toronto.edu (Henry Spencer) writes:
> In article <249@smds.UUCP> rh@smds.UUCP (Richard Harter) writes:
> >Is it allowed to ask for help?  :-)

> No. (!)  The exact wording is

	[... text deleted -- read Henry's article for exact text.]

I assume this is from the ANSI standard.  From this I gather that in
fact there is no guaranteed portable way to longjmp out of a signal
handler.  From this I infer (perhaps incorrectly) there is no way
in ANSI C to do what I want that is safe.  On the other hand it is
*probably* the case that the code schema I posted will work fine.

Thanks for the response.
-- 
Richard Harter, Software Maintenance and Development Systems, Inc.
Net address: jjmhome!smds!rh Phone: 508-369-7398 
US Mail: SMDS Inc., PO Box 555, Concord MA 01742
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