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util.xml: Break reference to help the GC (fix #1711) LuaExpat uses a registry reference to track handlers, which makes it so that an upvalue like this creates a reference loop that keeps the parser and its handlers from being garbage collected. The same issue has affected util.xmppstream in the past. Code for checking: local xml_parse = require"util.xml".parse; for i = 1, 10000 do xml_parse("<root/>") end collectgarbage(); collectgarbage(); print(collectgarbage("count"), "KiB"); A future release of LuaExpat may fix the underlying issue there.

-- COMPAT w/pre-0.9
local log = require "util.logger".init("net.connlisteners");
local traceback = debug.traceback;

local _ENV = nil;
-- luacheck: std none

local function fail()
	log("error", "Attempt to use legacy connlisteners API. For more info see https://prosody.im/doc/developers/network");
	log("error", "Legacy connlisteners API usage, %s", traceback("", 2));
end

return {
	register = fail;
	get = fail;
	start = fail;
	-- epic fail
};