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From: Daniel Jacobowitz <drow@false.org>
To: Phil Muldoon <pmuldoon@redhat.com>
Cc: gdb@sourceware.org
Subject: Re: unwindonsignal variable question
Date: Tue, 16 Sep 2008 16:12:00 -0000	[thread overview]
Message-ID: <20080916161125.GA26345@caradoc.them.org> (raw)
In-Reply-To: <48CFD764.2050405@redhat.com>

On Tue, Sep 16, 2008 at 04:57:24PM +0100, Phil Muldoon wrote:
> Setting this to "on" fixes the most problematic aspects of gnats pr 2495. 
> (This is where an exception is raised in a C++ function executed by 
> inferior function call, and no in-frame exception handler results in a 
> sigabrt being delivered to the inferior).
>
> As this is a very useful flag, and it only seems to apply in inferior  
> function calls, I am curious why it appears to default as "off",  
> requiring the user to perform:
>
> set unwindonsignal on
>
> (I'm not advocating changing it, just curious if there is a  particular  
> reason for it to be this way). And also, if there would be known  
> side-effects to having it to default as on.

Well, it makes things harder if the abort is what you're trying to
debug.

It would be nice if there was a single command that would do this:
discard the dummy frame and clear the received signal...

-- 
Daniel Jacobowitz
CodeSourcery


      reply	other threads:[~2008-09-16 16:12 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-16 15:58 Phil Muldoon
2008-09-16 16:12 ` Daniel Jacobowitz [this message]

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