Subject: Re: Test and set (was Re: postgreSQL)
To: Simon Burge <>
From: Bill Sommerfeld <>
List: tech-kern
Date: 05/29/1999 09:30:20
> I was only thinking in terms of Bill's interface for now.  Would this
> do for now?  One thing that's missing is the size of "atomic_value_t".
> Maybe that should be "atomic_set32" and so on...

The exact size or sizes which can be manipulated atomically may be

Besides what I wrote about PA requiring 16-*byte* alignment for
semaphores, I'd imagine that at least some LP64 systems would have
difficulty atomically setting a 32-bit object.

					- Bill