made getty actually start relevant services and re-start on failure

build.sh

@@ -1,9 +1,11 @@
 #!/bin/sh
 rm -r target/*
-mkdir target
+mkdir target &>/dev/null
+mkdir target/cfg
 lua luapreproc.lua module/init.lua target/init.lua
 echo _OSVERSION=\"PsychOS 2.0a1-$(git rev-parse --short HEAD)\" > target/version.lua
 cat target/version.lua target/init.lua > target/tinit.lua
 mv target/tinit.lua target/init.lua
 cp -r exec/ service/ lib/ target/
+cp default-init.txt target/cfg/
 lua finddesc.lua $(find module/ -type f) $(find lib/ -type f) > apidoc.md

default-init.txt

@@ -1,3 +1 @@
-minitel.lua
+getty.lua
-tape-iofs.lua
-fsmanager.service

exec/init.lua

@@ -1,16 +1,26 @@
-xpcall(function()
+if os.taskInfo(1) then
+ return false, "init already started"
+end
 os.setenv("PWD","/boot")
-os.spawnfile("/boot/service/getty.lua")
+io.input("/dev/null")
-coroutine.yield()
+io.output("/dev/syslog")
-for k,v in pairs(fs.list("/dev/")) do
+local pids = {}
- if v:sub(1,3) == "tty" then
+local function loadlist()
-  dprint(tostring(io.input("/dev/"..v)))
+ local f = io.open("/boot/cfg/init.txt","rb")
-  dprint(tostring(io.output("/dev/"..v)))
+ if not f then return false end
-  print(_OSVERSION.." - "..tostring(math.floor(computer.totalMemory()/1024)).."K RAM")
+ for line in f:read("*a"):gmatch("[^\r\n]+") do
-  os.spawnfile("/boot/exec/shell.lua")
+  dprint(line)
+  pids[line] = -1
  end
+ f:close()
 end
+loadlist()
 while true do
+ for k,v in pairs(pids) do
+  if not os.taskInfo(v) then
+   dprint("Starting service "..k)
+   pids[k] = os.spawnfile("/boot/service/"..k)
+  end
+ end
  coroutine.yield()
 end
-end,function(e) dprint(e) end,"init")

module/sched.lua

@@ -30,6 +30,7 @@ function os.tasks()
  return rt
 end
 function os.taskInfo(pid)
+ pid = pid or os.pid()
  if not tTasks[pid] then return false end
  return {name=tTasks[pid].n,parent=tTasks[pid].P}
 end

service/getty.lua

@@ -1,4 +1,4 @@
-local gpus,screens,ttyn = {}, {}, 0
+local gpus,screens,ttyn,pids = {}, {}, 0, {}
 local function scan()
  local w,di = pcall(computer.getDeviceInfo)
  if w then
@@ -29,6 +29,14 @@ local function nextScreen(n)
  end
  return rt[n] or rt[8000] or rt[2000] or rt[600]
 end
+
+local function spawnShell(fin,fout)
+ io.input(fin)
+ io.output(fout)
+ print(_OSVERSION.." - "..tostring(math.floor(computer.totalMemory()/1024)).."K RAM")
+ return os.spawnfile("/boot/exec/shell.lua")
+end
+
 local function allocate()
  for k,v in pairs(gpus) do
   dprint(k)
@@ -38,13 +46,22 @@ local function allocate()
    devfs.register("tty"..tostring(ttyn), function() return r,w,function() end end)
    gpus[k][1] = true
    screens[sA][1] = true
+   pids["tty"..tostring(ttyn)] = {-1}
    ttyn = ttyn + 1
   end
  end
 end
+
 scan()
 allocate()
 dprint("screens ready")
 while true do
  coroutine.yield()
+ for k,v in pairs(pids) do
+  if not os.taskInfo(v[1]) then
+   dprint("Spawning new shell for "..k)
+   pids[k][1] = spawnShell(v[2] or "/dev/"..k, v[3] or "/dev/"..k)
+   pids[k][2], pids[k][3] = pids[k][2] or io.input(), pids[k][3] or io.output()
+  end
+ end
 end