do
 local fs=component.proxy(computer.bootAddress())
 local fi=fs.open("/boot.lua","rb")
 local nc,ls,ne="","",{}
 repeat
  ls=ls..nc
  nc=fs.read(fi,2048)
 until nc == "" or nc == nil
 fs.close(fi)
 setmetatable(ne,{__index=_G})
 ne.computer = _G.computer
 function ne.computer.pullSignal(n)
  local et = computer.uptime()+n
  while true do
   local eT = {C.yield()}
   if eT ~= {} then
    return table.unpack(eT)
   elseif computer.uptime() >= et then
    break
   end
  end
 end
 local fscr=load(ls)
 setfenv(ls,ne)
 s("virt process",fscr)
end