Re: [PATCH] Futexes IV (Fast Lightweight Userspace Semaphores)

Alan Cox
2002-03-09T00:57:13Z

> > cmpxchg-doubleword, still its not fool proof.
>
> Uh, just the pid would do. Maybe reserve a bit to indicate contention,
> but surly one word would be enough.

Make it a dword, the 16bit pid is beginning to look strained on big
boxes