fails(JRUBY-4869):Signal.trap ignores the signal when passed nil
fails(JRUBY-4869):Signal.trap uses the command argument when passed both a command and block
fails(JRUBY-4869):Signal.trap accepts 'SIG_DFL' in place of a proc
fails(JRUBY-4869):Signal.trap accepts 'DEFAULT' in place of a proc
fails(JRUBY-4869):Signal.trap accepts 'SIG_IGN' in place of a proc
fails(JRUBY-4869):Signal.trap accepts 'IGNORE' in place of a proc
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap returns the previous handler
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap accepts a block in place of a proc/command argument
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap accepts long names as Strings
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap acceps short names as Strings
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap accepts long names as Symbols
fails(rubyspec.org/issues/show/228,JRUBY-5265):Signal.trap accepts short names as Symbols
fails(JRUBY-5666):Signal.trap the special EXIT signal code accepts the EXIT code
fails(JRUBY-5666):Signal.trap the special EXIT signal code runs the proc before at_exit handlers
