Re: 2.5.40+ futex broken with COW

From: Peter Wächtler (
Date: Tue Oct 08 2002 - 18:15:48 EST

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 :)
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