Mail Archives: cygwin-developers/2002/07/19/22:17:18

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Date: Fri, 19 Jul 2002 22:17:12 -0400
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From: Joe Buehler <jbuehler AT hekimian DOT com>
Reply-To: joseph DOT buehler AT spirentcom DOT com
Organization: Spirent Communications
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To: cygwin-developers AT cygwin DOT com
Subject: Re: cygwin hang problem
References: <3D32FC00 DOT 5090108 AT hekimian DOT com> <20020719050925 DOT GA24259 AT redhat DOT com> <3D37F0E5 DOT 50F3669B AT yahoo DOT com> <20020719141242 DOT GB27697 AT redhat DOT com> <3D38949C DOT 3090200 AT hekimian DOT com> <20020720013040 DOT GA3445 AT redhat DOT com>

Christopher Faylor wrote:

> Why did you feel that you had to modify handle_exceptions to wait for
> dumper?  Since dumper is invoked as a debugger, and your backtrace
> showed that try_to_debug was invoked with waitloop == true, this code
> should have been exercised:

That was my change -- to invoke with waitloop == true.  At least in
the snapshot I am using, the code goes like this:

if (try_to_debug(0)) {
	debugging = 1;
	return 0;

I observed that "debugging" got quite high in value before
dumper managed to attach, and I was concerned that who knows what
had been done to the stack in the meanwhile.

I am typing this via vnc and a cable modem, so will submit
the code change for this later if you want it -- it is an easy enough change.
Joe Buehler
Principal Software Engineer
Hekimian Division
15200 Omega Drive
Rockville, MD 20850-3240 USA
Phone: +1 301.590.3600
Fax: +1 301.590.3692

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