RE: JavaMemoryModel: On which JDK 1.4 VMs is "volatile access" already compliant with the proposed JDK 1.5 JMM?

From: Evan Ireland (eireland@sybase.com)
Date: Wed Feb 11 2004 - 13:53:49 EST


OK, thanks.

> -----Original Message-----
> From: owner-javamemorymodel@cs.umd.edu
> [mailto:owner-javamemorymodel@cs.umd.edu]On Behalf Of Doug Lea
> Sent: Wednesday, 11 February 2004 1:31 p.m.
> To: Evan Ireland
> Cc: javamemorymodel@cs.umd.edu
> Subject: RE: JavaMemoryModel: On which JDK 1.4 VMs is "volatile access"
> already compliant with the proposed JDK 1.5 JMM?
>
>
> > For which 1.4 JVMs can we be certain that a == d?
>
> Officially, none of them. JSR133 is a JDK1.5 spec.
> Unofficially, at least Sun hotspot has been approximately
> compliant since 1.4.0, and known failures have been treated
> as bugs and fixed.
>
> -Doug
>
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