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Fix race condition issue reported in #24 #25
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The chaining of two getOrElseUpdate calls could result in two separate threads attempting to register the same counter. Widening the scope of the synchronised section should remedy this.
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The chaining of two getOrElseUpdate calls could result in two separate threads attempting to register the same counter. Widening the scope of the synchronised section should remedy this.
Thanks to @seanbrant for reporting this.