diff options
Diffstat (limited to 'lib/thread.rb')
-rw-r--r-- | lib/thread.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/thread.rb b/lib/thread.rb index 58c4f6b9e6..09f2d58ecc 100644 --- a/lib/thread.rb +++ b/lib/thread.rb @@ -185,7 +185,9 @@ class Queue while true if @que.empty? raise ThreadError, "queue empty" if non_block - @waiting.push Thread.current + # @waiting.include? check is necessary for avoiding a race against + # Thread.wakeup [Bug 5195] + @waiting.push Thread.current unless @waiting.include?(Thread.current) @mutex.sleep else return @que.shift |