new syscall stub support for ia64 libc

[Ulrich Drepper]

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David Mosberger wrote:

> Hans Boehm pointed out that pthread_setcancelstate() isn't
> asynch-signal-safe,

Where does he get this from?  pthread_setcancelstate() is one of the
three functions which are guaranteed to be async-cancel safe.

- -- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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