libs/lucid: only execute handlers if daemon is below the thread limit, this allows to hold connections without having to fork immediately

libs/lucid/luasrc/lucid.lua

@@ -110,8 +110,10 @@ end
 -- This main function of LuCId will wait for events on given file descriptors.
 function run()
 	local pollint = tonumber((cursor:get(UCINAME, "main", "pollinterval")))
+	local threadlimit = tonumber(cursor:get(UCINAME, "main", "threadlimit"))
 
 	while true do
+		if not threadlimit or tcount < threadlimit then
 			local stat, code = nixio.poll(pollt, pollint)
 		
 			if stat and stat > 0 then
@@ -124,6 +126,7 @@ function run()
 				ifaddrs = nixio.getifaddrs()
 				collectgarbage("collect")
 			end
+		end
 		
 		for _, cb in ipairs(tickt) do
 			cb()