-- 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