-- limit.lua

-- Limiting the CPU time used by a child process;

-- it will be killed and we don't get the final message

local posix = require 'posix'

posix.setrlimit ('cpu',1,1)

local t = posix.times 'elapsed'

local pid = posix.fork ()

if pid == 0 then -- child

  print 'start'

  for i = 1, 1e9 do

  end

  print 'finish'

else

  print (posix.wait (pid))

  print (posix.times 'elapsed' - t)

end