Re: atomic cas, again; PHP this time

[Thorsten Glaser <tg@mirbsd.de>]

Geert Uytterhoeven dixit:

>Yes, you should use the syscall, as finding out whether cas is safe
>or not from userspace is non-trivial.

OK. In the meantime, I found out that calling it via syscall(2)
uses the six-argument invocation, which may not yet be supported
by the particular libc. So I guess I will have to “repurpose” a
few lines from the libgcc helper.

Thanks,
//mirabilos
-- 
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	-- Haroon Khalid and Steve Shockley in gmane.os.openbsd.misc