From: Masaki Matsushita <glass.saga@...>
Date: 2012-02-01T23:19:43+09:00
Subject: [ruby-core:42311] [ruby-trunk - Feature #5958][Open] ThreadGroup#join


Issue #5958 has been reported by Masaki Matsushita.

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Feature #5958: ThreadGroup#join
https://bugs.ruby-lang.org/issues/5958

Author: Masaki Matsushita
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: 


=begin
I propose the method ThreadGroup#join.
Calling thread waits all threads in receiving threadgroup.

 thgrp = ThreadGroup.new
 thgrp.add(Thread.new{ sleep 1 })
 thgrp.join #=> #<ThreadGroup:0x007ff257d6d098>

Time limit to run the threads in the threadgroup can be specified.
If the time limit expires, nil will be returned.

 thgrp = ThreadGroup.new
 thgrp.add(Thread.new{})
 thgrp.add(Thread.new{ sleep })
 thgrp.join(0.1) #=> nil

I think it is useful to wait grouped threads together.
=end


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