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From: 'Daniel Jacobowitz' <drow@false.org>
To: Dave Korn <dave.korn@artimi.com>
Cc: cygwin-patches@cygwin.com, gdb-patches@sourceware.org
Subject: Re: [patch] fix spurious SIGSEGV faults under Cygwin
Date: Thu, 02 Feb 2006 17:46:00 -0000	[thread overview]
Message-ID: <20060202174600.GA5696@nevyn.them.org> (raw)
In-Reply-To: <009401c62820$3ab87730$a501a8c0@CAM.ARTIMI.COM>

On Thu, Feb 02, 2006 at 05:43:51PM -0000, Dave Korn wrote:
>   What I can't see is any point in gdb reading a variable from the
> inferior that tells gdb if there is a debugger attached to the
> inferior, because I can't see how gdb could read that variable except
> by attaching to the inferior, at which point the value in the
> variable should always be 'true', shouldn't it?

He wrote:

> If it turns out that it's expensive, I was thinking that the inferior
> could maintain this information in some variable, and just communicate
> its location to gdb once at startup, then gdb could simply read that
> variable in the process' memory before deciding whether to handle the
> fault.

"this information" does not refer to "if there is a debugger attached".

-- 
Daniel Jacobowitz
CodeSourcery


  reply	other threads:[~2006-02-02 17:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-02 12:26 Brian Dessent
2006-02-02 16:00 ` Brian Dessent
2006-02-02 17:06   ` Christopher Faylor
2006-02-02 17:21     ` Brian Dessent
2006-02-02 17:30       ` Dave Korn
2006-02-02 17:38         ` Daniel Jacobowitz
2006-02-02 17:43           ` Dave Korn
2006-02-02 17:46             ` 'Daniel Jacobowitz' [this message]
2006-02-02 17:52               ` Dave Korn
2006-02-02 17:56                 ` 'Daniel Jacobowitz'
2006-02-02 17:42         ` Brian Dessent
2006-02-02 17:47           ` Dave Korn

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