[Bordeaux-threads-devel] compare-and-swap

[Josh Marchán]

On Sat, Jul 21, 2012 at 09:42:30AM -0400, Paul Khuong wrote:
>In article <20120720140001.GA1193 at Zushakon>,
> Josh March?n <sykopomp at sykosomatic.org> wrote:
>
>> There's also weird behavior on
>> some implementations (notably SBCL) when it comes to accessing dynamic
>> variables (where it can only access the global binding, not the local
>> one).
>
>I don't know where you're getting that. SYMBOL-VALUE works with dynamic
>variables and their current dynamic binding, if any.

You're right. I hadn't tested it myself. I got that from Luis' post:

> (2012-06-10 update: Nikodemus wrote in to point out that (cas
> (symbol-value '*foo*) ...) on SBCL modifies the special variable's global
> value rather than its dynamic binding. Fixed table accordingly.)

-- 
Josh Marchán
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