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From: Kevin Buettner <kevinb@redhat.com>
To: "J. Johnston" <jjohnstn@redhat.com>, gdb-patches@sources.redhat.com
Subject: Re: RFA: infptrace fix
Date: Tue, 25 Feb 2003 00:10:00 -0000	[thread overview]
Message-ID: <1030225001024.ZM8081@localhost.localdomain> (raw)
In-Reply-To: "J. Johnston" <jjohnstn@redhat.com> "RFA: infptrace fix" (Feb 24,  6:31pm)

On Feb 24,  6:31pm, J. Johnston wrote:

> The following patch fixes a problem on linux regarding attached
> processes.  When gdb quits, it goes to detach the process.  If the
> process has already been killed, the ptrace detach call sets errno.
> This causes infptrace.c: detach() to issue a perror_with_name()
> call which eventually gets caught and the user is returned to the
> gdb prompt.  If we try and quit again, we go through the same
> sequence and so on and so on.
> 
> The patch recognizes if errno is set to ESRCH, indicating that the
> process cannot be found which is ok and should not result in an
> error being flagged.
> 
> Ok to install?
> 
> 
> -- Jeff J.
> 
> 2003-02-24  Jeff Johnston  <jjohnstn@redhat.com>
> 
> 	* infptrace.c (detach): Do not flag error if ptrace detach fails and
> 	errno is set to ESRCH.

This is okay.

(For other errors during detach, I wonder if it'd make sense to just
issue a warning which decodes the errno...)

Kevin


  reply	other threads:[~2003-02-25  0:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-02-24 23:31 J. Johnston
2003-02-25  0:10 ` Kevin Buettner [this message]
2003-02-25 19:40   ` J. Johnston

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