From: Daniel Jacobowitz <drow@false.org>
To: Jim Blandy <jimb@redhat.com>
Cc: rda@sources.redhat.com
Subject: Re: NPTL work committed to jimb-rda-nptl-branch
Date: Thu, 02 Dec 2004 20:15:00 -0000 [thread overview]
Message-ID: <20041202201542.GA10670@nevyn.them.org> (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
next prev parent 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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