# File lib/childprocess/unix/process.rb, line 28 def exited? return true if @exit_code assert_started pid, status = ::Process.waitpid2(_pid, ::Process::WNOHANG | ::Process::WUNTRACED) pid = nil if pid == 0 # may happen on jruby log(:pid => pid, :status => status) if pid set_exit_code(status) end !!pid rescue Errno::ECHILD # may be thrown for detached processes true end