Method: #spawn_with_timeout

Defined in:
lib/zipf/misc.rb

#spawn_with_timeout(cmd, t = 4, ignore_fail = false, debug = false) ⇒ Object 



60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/zipf/misc.rb', line 60

def spawn_with_timeout cmd, t=4, ignore_fail=false, debug=false
  STDERR.write cmd+"\n" if debug
  pipe_in, pipe_out = IO.pipe
  pid = Process.spawn(cmd, :out => pipe_out)
  begin
    Timeout.timeout(t) { Process.wait pid }
  rescue Timeout::Error
    Process.kill('TERM', pid) if !ignore_fail
  end
  pipe_out.close
  return pipe_in.read
end