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use a latch to avoid busy loops

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This commit is contained in:
Aaron Patterson 2014-03-17 17:29:33 -07:00
parent 8f218266bb
commit 4db4f90917
1 changed files with 4 additions and 3 deletions
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7
activerecord/test/cases/connection_pool_test.rb
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@ -1,4 +1,5 @@
require "cases/helper" require "cases/helper"
require 'active_support/concurrency/latch'
module ActiveRecord module ActiveRecord
module ConnectionAdapters module ConnectionAdapters
@ -133,15 +134,15 @@ module ActiveRecord
end end
def test_reap_inactive def test_reap_inactive
ready = false ready = ActiveSupport::Concurrency::Latch.new
@pool.checkout @pool.checkout
child = Thread.new do child = Thread.new do
@pool.checkout @pool.checkout
@pool.checkout @pool.checkout
ready = true ready.release
Thread.stop Thread.stop
end end
Thread.pass until ready ready.await
assert_equal 3, active_connections(@pool).size assert_equal 3, active_connections(@pool).size