nobu	2014-11-17 12:42:49 +0900 (Mon, 17 Nov 2014)

  New Revision: 48467

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48467

  Log:
    timeout.rb: same object across fiber
    
    * lib/timeout.rb (Timeout::ExitException.catch): do not freeze the
      exception for tag, so that the same object can be passed to the
      target fiber without duplication to attach backtrace at raise.

  Modified files:
    trunk/lib/timeout.rb
Index: lib/timeout.rb
===================================================================
--- lib/timeout.rb	(revision 48466)
+++ lib/timeout.rb	(revision 48467)
@@ -31,17 +31,16 @@ module Timeout https://github.com/ruby/ruby/blob/trunk/lib/timeout.rb#L31
     def self.catch(*args)
       exc = new(*args)
       exc.instance_variable_set(:@thread, Thread.current)
-      exc.freeze
       ::Kernel.catch(exc) {yield exc}
     end
 
     def exception(*)
+      # TODO: use Fiber.current to see if self can be thrown
       if self.thread == Thread.current
         bt = caller
         begin
           throw(self, bt)
         rescue UncaughtThrowError
-          raise Error, message, backtrace
         end
       end
       self

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