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-rw-r--r--activesupport/lib/active_support/concurrency/latch.rb24
1 files changed, 8 insertions, 16 deletions
diff --git a/activesupport/lib/active_support/concurrency/latch.rb b/activesupport/lib/active_support/concurrency/latch.rb
index 1507de433e..7b8df0df04 100644
--- a/activesupport/lib/active_support/concurrency/latch.rb
+++ b/activesupport/lib/active_support/concurrency/latch.rb
@@ -1,26 +1,18 @@
-require 'thread'
-require 'monitor'
+require 'concurrent/atomics'
module ActiveSupport
module Concurrency
- class Latch
- def initialize(count = 1)
- @count = count
- @lock = Monitor.new
- @cv = @lock.new_cond
- end
+ class Latch < Concurrent::CountDownLatch
- def release
- @lock.synchronize do
- @count -= 1 if @count > 0
- @cv.broadcast if @count.zero?
- end
+ def initialize(count = 1)
+ ActiveSupport::Deprecation.warn("ActiveSupport::Concurrency::Latch is deprecated. Please use Concurrent::CountDownLatch instead.")
+ super(count)
end
+
+ alias_method :release, :count_down
def await
- @lock.synchronize do
- @cv.wait_while { @count > 0 }
- end
+ wait(nil)
end
end
end