local thread = require("thread")
local event = require("event")

local cleanup_thread = thread.create(function()
  event.pull("interrupted")
  print("cleaning up resources")
end)

local main_thread = thread.create(function()
  print("main program")
  while true do
    io.write("input: ")
    io.read()
  end
end)

thread.waitForAny({cleanup_thread, main_thread})
os.exit(0) -- closes all remaining threads