Thread.list has a race condition
--------------------------------
Key: JRUBY-2380
URL: http://jira.codehaus.org/browse/JRUBY-2380
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1
Environment: Latest JRuby 1.1
Reporter: Vladimir Sizikov
Basically, Thread.list doesn't show the just started thread:
{noformat}
t = Thread.new {sleep 5}
p t
p Thread.list
{noformat}
JRuby prints:
#<Thread:0x1e2befa run>
[#<Thread:0x1630ab9 run>]
Registering the thread...#<Thread:0x1e2befa>
(The registering in thread output is just added by me when the thread is being
registered with the service).
As you see, the created thread has "run" status, but the thread list doesn't
have it, since the thread is not yet registered with the ThreadService. After a
small delay, the Thread.list returns the new thread correctly.
MRI, btw, returns the proper list right away.
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