Date: Fri, 15 Dec 2000 14:46:10 -0800 From: Julian Elischer <julian@elischer.org> To: Alfred Perlstein <bright@wintelcom.net> Cc: John Baldwin <jhb@FreeBSD.ORG>, smp@FreeBSD.ORG Subject: Re: atomic increment? Message-ID: <3A3A9F32.3C6E1B0E@elischer.org> References: <3A39F8DA.FD4CA0A5@elischer.org> <XFMail.001215105012.jhb@FreeBSD.org> <20001215105605.S19572@fw.wintelcom.net>
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Alfred Perlstein wrote:
>
> * John Baldwin <jhb@FreeBSD.ORG> [001215 10:51] wrote:
> >
> > On 15-Dec-00 Julian Elischer wrote:
> > > CAn we have an atomic increment and decrement primative?
> > >
> > > presently we get:
> > >
> > > .L565:
> > > movl $1,%eax
> > >#APP
> > > lock
> > > addl %eax,4(%ebx)
> > >
> > >
> > > the movl is totally useless and it would be
> > > an absolutly trivial addition..
> > > the question is;
> > > is there a religious reason we don't already have it?
> >
> > man atomic
>
> I think he's looking for a useable and intuative interface.
that would be the one.. :-)
.
>
> no offence I hope. :)
>
> --
> -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
> "I have the heart of a child; I keep it in a jar on my desk."
--
__--_|\ Julian Elischer
/ \ julian@elischer.org
( OZ ) World tour 2000
---> X_.---._/ presently in: Budapest
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