From: Joel VanderWerf <vjoel@...>
Date: 2006-02-12T16:46:59+09:00
Subject: Re: Thread#stop

David Vallner wrote:
> Dňa Piatok 10 Február 2006 21:29 Joel VanderWerf napísal:
>> As I understand it, a latch would not serve this purpose. A latch stops
>> newly created threads from running until the latch is opened. In ruby
>> this would be easy to implement using Thread.stop within the block of
>> each thread. Then another thread can wakeup those threads as needed:
>>
>>    th = Thread.new { Thread.stop; do_some_work }
>>    prepare_for_th_to_run
>>    th.wakeup
> 
> For some strange reason I thought you were using looping worker threads with 
> short execution time. Ah well.

Well, some are fairly short lived, but those ones are fired off by some
"permathreads". In fact, the are so perma that they have a big rescue
clause with a retry (for StandardErrors) around everything they do.

Still wish I knew how to "freeze frame" all the threads, except the drb
threads that are inspecting them...

-- 
      vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407