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Date: Thu, 2 Jan 2003 16:22:19 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: "J.A. Magallon" <jamagallon@able.es>
Cc: Lista Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: __NR_exit_group for 2.4-O(1)
Message-ID: <20030103002219.GW9704@holomorphy.com>
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References: <20030103001522.GA1539@werewolf.able.es>
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On Fri, Jan 03, 2003 at 01:15:22AM +0100, J.A. Magallon wrote:
> Hi all...
> I am running glibc-2.3.1 on top of a hacked 2.4.21-pre2+aa, and all programs
> show a curious message at exit when straced:
> strace ls:
> ...
> SYS_252(0, 0x1000, 0x156ad360, 0x156ae824, 0) = -1 ENOSYS (Function not implemented)
> _exit(0)                                = ?
> 252 is __NR_exit_group. I can not recover anything about this on MARC, is there
> any pointer to that for 2.4 ? Is it in -ac kernels ?
> BTW: I remember to see some posts about this, but _how_ can I make the search
> engine in MARC to do _not_ convert underscores to spaces ("exit_group" ->
> "exit group", and results not be half the posts in LKML) ???

This is probably threading-related. They're trying to exit the program
as a whole so exit_group() (by divination) would appear to be something
that exits an entire thread group instead of that task alone.

It's probably somewhere in 2.5.x kernel source.

Bill
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