From: Ralph Shnelvar <ralphs@...32.com>
Date: 2010-09-04T01:07:14+09:00
Subject: Getting notification that a subprocess is killed on Windows

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What is the proper way, under Windows, to detect that a process was killed?  Crashed?


      Signal.list.each_key do |key|
        puts key
        Signal.trap(key, lambda {|signo| puts "#{key}: pid #{$$} with signo #{signo}"})
      end
      @the_command_pipe = IO.popen(the_command)
      @the_command_pid = @the_command_pipe.pid
      Process.waitpid(@the_command_pid)
      @child_process_return_status = $?
      .
      .
      .


    Process.kill(:KILL, @the_command_pid)	  # Seems to properly kill my process


All that is TRAP'd is EXIT.  Worse, @child_process_return_status.exitstatus is zero.


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