From: "Peter Wächtler" <pwaechtler@mac.com>
To: linux-kernel@vger.kernel.org,
pthreads-devel@www-124.southbury.usf.ibm.com
Subject: Re: 2.5.40+ futex broken with COW
Date: Wed, 09 Oct 2002 01:15:48 +0200 [thread overview]
Message-ID: <3DA36724.B5E62CB9@mac.com> (raw)
In-Reply-To: 3DA3589A.ED470EC5@mac.com
Peter Wächtler schrieb:
>
> The COW changes break PROCESS_SHARED futexes in
> mmap( MAP_SHARED ).
>
> I think that COW is unconditionally used on fork().
> But you need to check for MAP_SHARED, eh?
>
> If wanted I can provide a testcase (that runs fine on
> 2.4.19+futex patch + NGPT and on Irix)
Argh, forget it. Made a silly mistake too painful to mention :)
prev parent reply other threads:[~2002-10-08 23:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-08 22:13 2.5.40+ futex broken with COW Peter Wächtler
2002-10-08 23:15 ` Peter Wächtler [this message]
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