From 5098d7ae0dcef98c82e64280d2aded2676738c3b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 9 Apr 2008 03:12:03 +0000
Subject: * test/ruby/test_thread.rb: new tests from Sylvain Joyeux in  
 [ruby-Patches-19361].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/lbtest.rb | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 test/ruby/lbtest.rb

(limited to 'test/ruby/lbtest.rb')

diff --git a/test/ruby/lbtest.rb b/test/ruby/lbtest.rb
new file mode 100644
index 0000000000..df7872dc76
--- /dev/null
+++ b/test/ruby/lbtest.rb
@@ -0,0 +1,48 @@
+require 'thread'
+
+class LocalBarrier
+  def initialize(n)
+    @wait = Queue.new
+    @done = Queue.new
+    @keeper = begin_keeper(n)
+  end
+
+  def sync
+    @done.push(true)
+    @wait.pop
+  end
+
+  def join
+    @keeper.join
+  end
+
+  private
+  def begin_keeper(n)
+    Thread.start do
+      n.times do
+        @done.pop
+      end
+      n.times do
+        @wait.push(true)
+      end
+    end
+  end
+end
+
+n = 10
+
+lb = LocalBarrier.new(n)
+
+(n - 1).times do |i|
+  Thread.start do
+    sleep((rand(n) + 1) / 10.0)
+    puts "#{i}: done"
+    lb.sync
+    puts "#{i}: cont"
+  end
+end
+
+lb.sync
+puts "#{n-1}: cone"
+
+puts "exit."
-- 
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