[armedbear-devel] Franz-style Gates implementation

Erik Huelsmann ehuels at gmail.com
Fri Jul 3 20:55:44 UTC 2009

Hi Mark,

On Fri, Jul 3, 2009 at 8:09 AM, Mark Evenson<evenson at panix.com> wrote:
> Tobias Rittweiler writes:
>> The attached patch adds Gates to ABCL, inspired by what Franz Allegro
>> Common Lisp provides.
>>   A GATE is an object with two states, open and closed. It is
>>   created with MAKE-GATE. Its state can be opened (OPEN-GATE) or
>>   closed (CLOSE-GATE) and can be explicitly tested with
>>   GATE-OPEN-P. Usually though, a thread awaits the opening of a
>>   gate by WAIT-OPEN-GATE.
>> This will be used to implement the threading communication style in
>> ABCL's Swank backend.
>> I'm not particularly good at writing multiprocessing, or Java code. So
>> please review carefully.
> Tobias wrote this to support his version of a multi-threaded SLIME backend,
> and has proposed it for inclusion in ABCL.
> When I get some time, I'll do some tests, but post the patch here in case it
> helps someone else out before that time or if their is any feedback.

Well, I had a look at it this afternoon and from my reading, Tobias
does really understand how to write Java and ABCL/Java code. I didn't
see any particular issues with the code, but any testing before
committing will be highly appreciated, ofcourse.



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