From: Matt Armstrong <matt@...>
Date: 2002-04-01T07:53:45+09:00
Subject: Re: Multithreaded socket code.  Request for Comments

"Robert C. Martin" <u.n.c.l.e.b.o.b.@.o.b.j.e.c.t.m.e.n.t.o.r.d.o.t.c.o.m> writes:

>     @lock.synchronize {@threads << Thread.current}
>     @lock.synchronize {@threads.delete(Thread.current)}
>     @lock.synchronize {threads = @threads.dup}

I don't think you need to synchronize these operations.  For the first
two, the value returned by Thread.current won't become invalid no
matter what other threads do.  And I am 90% sure that Array.delete,
Array.<< and Array.dup are all atomic in Ruby's thread model.

-- 
matt