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From: Daniel Jacobowitz <>
To: Jim Blandy <>
Subject: Re: NPTL work committed to jimb-rda-nptl-branch
Date: Thu, 02 Dec 2004 20:15:00 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <vt2r7mlw0t2.fsf@zenia.home>

On Tue, Nov 23, 2004 at 01:12:57AM -0500, Jim Blandy wrote:
> + /* Under NPTL, LWP's simply disappear, without becoming a zombie or
> +    producing any wait status.  At the kernel level, we have no way of
> +    knowing that the LWP's PID is now free and may be reused ---
> +    perhaps by an entirely different program!  So we need to use the
> +    death events from libthread_db to help us keep our LWP table clean.

FYI, that should not be true.  I think there was at least one broken
Red Hat kernel which behaved this way, but nowadays the debugger should
see exit events for LWPs.

Daniel Jacobowitz

  reply	other threads:[~2004-12-02 20:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-23  6:16 Jim Blandy
2004-12-02 20:15 ` Daniel Jacobowitz [this message]
2004-12-03  0:44   ` Jim Blandy
2004-12-03  0:47     ` Daniel Jacobowitz
2004-12-03  3:33       ` Jim Blandy

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