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SubjectRe: SCO: "thread creation is about a thousand times faster than on native Linux"
> I think shared sigprocmask is very useful. How otherwise would you lock
> against signals in a multithreaded process ? Locking is really
> needed when you're e.g. using queued SIGIO for IO. Doing the locking
> in user space is really nasty in this case

If you have many to 1 mappings it has to be user space.

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