Msgpack: Userdata packer. Huge hack.

builtin/ConfGlue.lua

@@ -5,3 +5,5 @@ args = args and luar.slice2table(args)
 srv = srv or require("wrappers.srv")
 
 require("wrappers.mw")
+
+require("wrappers.init")

builtin/libs/msgpack.lua

@@ -34,6 +34,17 @@ msgpack.packers['table'] = function(buffer, t)
 	end
 end
 
+-- Userdata
+msgpack.packers['userdata'] = function(buffer, ud)
+	-- Hack. A big one, too.
+	local idpool = "tmp:msgpack:ud-tmp"
+	kvstore.inc(idpool)
+	local numid = kvstore.get(idpool)
+	local id = idpool..":"..tostring(numid)
+	kvstore.set(id, ud)
+	msgpack.packers['ext'](buffer, 43, tostring(numid))
+end
+
 -- Unpacker for both
 msgpack.build_ext = function (tag, data)
 	if tag == 7 then -- Function
@@ -49,6 +60,11 @@ msgpack.build_ext = function (tag, data)
 		local _, t = f()
 		local _, mt = f()
 		return setmetatable(t, mt)
+	elseif tag == 43 then -- Userdata. Big hack.
+		local id = "tmp:msgpack:ud-tmp:"..data
+		local ud = kvstore.get(id)
+		kvstore.del(id)
+		return ud
 	end
 end
 

builtin/libs/thread.lua

@@ -10,7 +10,7 @@ function thread.spawn(code, bindings, buffer, dontusemsgpack)
 	elseif type(code) == "string" then
 		fn, err = loadstring(code)
 		if err then
-			error(err)
+			error(err, 0)
 		end
 	end
 	local buffer = tonumber(buffer) or -1

builtin/libs/wrappers/init.lua

@@ -0,0 +1,2 @@
+-- Init Glue for Config State
+kvstore.set("tmp:msgpack:ud-tmp", 0)

tests/thread.lua

@@ -0,0 +1,6 @@
+thread = require("thread")
+local a = "test"
+thread.spawn(function()
+	print(a)
+end)
+os.sleep(10)