[Profnsched] update based on discuss of PR #507

mods/profnsched/after.lua

@@ -0,0 +1,32 @@
+dofile(minetest.get_modpath("profnsched").."/queue.lua")
+
+local jobs = {}
+local scheduler = scheduler
+
+-- For minetest.after replacement
+local function check_expired_jobs()
+	local time = core.get_us_time()
+	for i,job in pairs(jobs) do
+		if time >= job.expire then
+			scheduler.add(1, job)
+			jobs[i] = nil
+		end
+	end
+	scheduler.asap(4, check_expired_jobs)
+end
+scheduler.asap(4, check_expired_jobs)
+
+
+-- redefine core.after function
+function minetest.after(after, func, ...)
+	assert(type(func) == "function", "Invalid core.after invocation")
+	local fname = debug.getinfo(2, "S").linedefined --imprecis
+	local job = {
+		func_code = func,
+		expire = core.get_us_time() + after*1000000,
+		arg = {...},
+		mod_name = core.get_last_run_mod(),
+		func_id = "#"..fname
+	}
+	jobs[#jobs+1] = job
+end