Don't send INT signal itself.
On make test-all, it kills the process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Don't send INT signal itself.
On make test-all, it kills the process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e