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Date: Tue, 18 Mar 1997 00:27:27 +0100 (MET)
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From: Peter Mutsaers <plm@xs4all.nl>
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To: freebsd-questions@freebsd.org
Subject: test and set instruction: how?
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Is there a (portable ?) way for a test-and-set instruction under
FreeBSD?

I don't even know whether the Intel CPU's provide such an
instruction. If so, does FreeBSD offer an easy interface to it?