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Re: [PhillyOnRails] [Fwd: [jruby-dev] Basic Fiber support on trunk]
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>From the post it seems like they're using native threads, so my guess is
no. Doing green threads in the JVM sounds like a tall order, but it
will probably happen at some point. Being able to work with both native
and green would be super nice.
Justin W. Reagor wrote:
> Any idea if it is the same Fiber code as the C implementation of Ruby?
> I remember reading in that article something about CLR's and VM's
> having issues with these and JRuby implementing possible work arounds
> (what the article said, not me).
>
> :: Justin Reagor
> :: justinwr@gmail.com <mailto:justinwr@gmail.com>
>
>
>
> On Aug 27, 2007, at 11:57 AM, Cliff Moon wrote:
>
>> Wow, that was quick. Looks like JRuby is getting fibers as well. Sweet.
>>
>> *From: *Charles Oliver Nutter <charles.nutter@sun.com
>> <mailto:charles.nutter@sun.com>>
>> *Date: *August 27, 2007 11:26:42 AM EDT
>> *To: *dev@jruby.codehaus.org <mailto:dev@jruby.codehaus.org>
>> *Subject: **[jruby-dev] Basic Fiber support on trunk*
>> *Reply-To: *dev@jruby.codehaus.org <mailto:dev@jruby.codehaus.org>
>>
>>
>> I've committed really basic Fiber support on trunk. It passes the
>> simple tests from YARV's test_fiber (also committed, with bits
>> commented out), and appears to run all demo code I've found online.
>> The following parts aren't implemented yet:
>>
>> - all error-handling
>> - Fiber.transfer (I wasn't clear how this is supposed to work, but it
>> will probably be simple to do)
>>
>> Also, two tests in test_fiber that construct a thousand or more
>> fibers are commented out, because my implementation uses native
>> threads (and the 10000-fiber test never seemed to return). This isn't
>> to say it's not possible to support that many fibers with this impl,
>> but it won't be cheap.
>>
>> Anyway, have a look at the code. I've asked for clarification or a
>> pointer to Fiber spec docs on ruby-core list...we can fill out the
>> rest of the behavior then.
>>
>> http://svn.codehaus.org/jruby/trunk/jruby/src/org/jruby/libraries/FiberLibrary.java
>> http://svn.codehaus.org/jruby/trunk/jruby/test/externals/mri/ruby/test_fiber.rb
>>
>> - Charlie
>>
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