From: Roland McGrath <roland@redhat.com>
To: Albert Cahalan <albert@users.sourceforge.net>
Cc: linux-kernel mailing list <linux-kernel@vger.kernel.org>,
Andrew Morton OSDL <akpm@osdl.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH] cleanup ptrace stops and remove notify_parent
Date: Tue, 31 Aug 2004 16:54:10 -0700 [thread overview]
Message-ID: <200408312354.i7VNsAND001811@magilla.sf.frob.com> (raw)
In-Reply-To: Albert Cahalan's message of , 31 August 2004 11:59:25 -0400 <1093967964.434.7086.camel@cube>
> For TASK_DEAD and TASK_TRACED, might you be hiding some underlying state?
Not really.
> I want to display stuff like:
>
> T stopped (not traced)
> TX stopped, and being traced
> RX running or runnable, and being traced
> ZE zombie, and trying to exit
> RXE running, trying to exit, and traced
These distinctions don't exist in any data structures, except for the
PF_EXITING flag.
> It's troubling the way TASK_DEAD and TASK_TRACED show up as
> actual states and hide any other stuff. I'd much prefer them
> to be flags of some sort.
That's a different implementation than what we've got now. Feel free to
try to make it work. Linus has talked before about treating the state as a
bitmask, but the code is not actually written that way now.
next prev parent reply other threads:[~2004-08-31 23:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-31 15:59 Albert Cahalan
2004-08-31 23:54 ` Roland McGrath [this message]
2004-09-01 0:27 ` Linus Torvalds
[not found] <2z7vs-2F1-13@gated-at.bofh.it>
2004-08-31 10:00 ` Andi Kleen
2004-09-01 0:27 ` Roland McGrath
2004-09-01 1:56 ` Roland McGrath
2004-09-04 13:38 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2004-08-31 3:25 Roland McGrath
2004-08-31 3:43 ` Andrew Morton
2004-08-31 4:11 ` Roland McGrath
2004-08-31 4:26 ` Andrew Morton
2004-08-31 5:43 ` Roland McGrath
2004-08-31 4:27 ` Linus Torvalds
2004-08-31 4:50 ` Roland McGrath
2004-08-31 13:19 ` OGAWA Hirofumi
2004-08-31 13:56 ` Daniel Jacobowitz
2004-09-01 0:11 ` Roland McGrath
2004-09-01 4:25 ` OGAWA Hirofumi
2004-08-31 9:29 ` Christoph Hellwig
2004-08-31 9:43 ` Anton Blanchard
2004-09-01 0:00 ` Roland McGrath
2004-08-31 3:59 ` Roland McGrath
2004-08-31 4:22 ` Daniel Jacobowitz
2004-08-31 4:55 ` Roland McGrath
2004-08-31 4:59 ` Daniel Jacobowitz
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