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-rw-r--r--lib/singleton.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/singleton.rb b/lib/singleton.rb
index 235ba898fd..aa245b32b2 100644
--- a/lib/singleton.rb
+++ b/lib/singleton.rb
@@ -16,10 +16,10 @@ module Singleton
klass.instance_eval %{
@__instance__ = nil
def instance
- Thread.critical = true
unless @__instance__
+ Thread.critical = true
begin
- @__instance__ = new
+ @__instance__ ||= new
ensure
Thread.critical = false
end