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#! /usr/bin/env lua
-- limit.lua
-- Limiting the CPU time used by a child process;
-- it will be killed and we don't get the final message
local M = require 'posix.sys.resource'
local times = require 'posix.sys.times'.times
M.setrlimit (M.RLIMIT_CPU, {rlim_cur=1, rlim_max=1})
local t = times().elapsed
local pid = require 'posix.unistd'.fork ()
if pid == 0 then -- child
print 'start'
for i = 1, 1e9 do
end
print 'finish'
else
print (require 'posix.sys.wait'.wait (pid))
print (times().elapsed - t)
end
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