Re: [patch] O(1) sys_exit(), threading, scalable-exit-2.5.31-A6

From: Dave McCracken (
Date: Mon Aug 19 2002 - 16:01:14 EST

--On Monday, August 19, 2002 10:59:17 PM +0200 Ingo Molnar <>

> 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 McCracken IBM Linux Base Kernel Team 1-512-838-3059 T/L 678-3059

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