timeout.rb: watcher thread name
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
timeout.rb: watcher thread name
caller location for debugging.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e