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Re: [Patch] x % 0 hangs

From: Ian Lance Taylor <ian at wasabisystems dot com>
To: Andrew Cagney <cagney at gnu dot org>
Cc: Mark Kettenis <kettenis at chello dot nl>, mec dot gnu at mindspring dot com, david at streamline-computing dot com, gdb-patches at sources dot redhat dot com
Date: 27 Jun 2004 11:06:19 -0400
Subject: Re: [Patch] x % 0 hangs
References: <20040626154420.265CD4B104@berman.michael-chastain.com><200406262252.i5QMqJGP000626@elgar.kettenis.dyndns.org><40DE0454.1020908@gnu.org>

Andrew Cagney <cagney@gnu.org> writes:

> > The only approach that's somewhat
> > portable is longjmp-ing out of the signal handler, and even that seems
> > to have its problems on some platforms.
> 
> I'm curious, which platforms?

I would think that it would be safe enough to longjmp on SIGFPE into
the gdb catch_errors stack.  You would obviously be in trouble if the
SIGFPE came from any libc stdio routine, but I would expect that to be
impossible with a working library.

Ian

Follow-Ups:
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References:
- Re: [Patch] x % 0 hangs
  - From: Michael Elizabeth Chastain
- Re: [Patch] x % 0 hangs
  - From: Mark Kettenis
- Re: [Patch] x % 0 hangs
  - From: Andrew Cagney

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