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Date: Mon, 19 Aug 2002 16:01:14 -0500
From: Dave McCracken <dmccr@us.ibm.com>
To: Ingo Molnar <mingo@elte.hu>
cc: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [patch] O(1) sys_exit(), threading, scalable-exit-2.5.31-A6
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--On Monday, August 19, 2002 10:59:17 PM +0200 Ingo Molnar <mingo@elte.hu>
wrote:

> this whole mess can only be fixed by decoupling the ptrace() mechanism
> from signals and wait4 completely, it's a nasty relationship that infests
> both the kernel and userspace code [check out strace.c once to see the
> kind of pain it has to go through to isolate ptrace events from other
> signals.]

I guess this is why most versions of Unix have abandoned ptrace for a
debugging API based on /proc.

Dave

======================================================================
Dave McCracken          IBM Linux Base Kernel Team      1-512-838-3059
dmccr@us.ibm.com                                        T/L   678-3059

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