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machu/safe.org.rb

Created June 5, 2010 08:12
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safe.org.rb
require 'thread'
module Safe
def safe( level = 4 )
result = nil
if $SAFE < level then
Thread.start {
$SAFE = level
result = yield
}.join
else
result = yield
end
result
end
module_function :safe
end
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