# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1591024748 -7200
# Node ID e12690a37795b01509c412afbc465b412591f411
# Parent  934dca972f2c7a2a8c38ff3d5a886b9e621176e9
net.server_epoll: Add way to start accepting clients on an arbitrary server socket

This adds an escape hatch where things like UNIX sockets can be added.

diff -r 934dca972f2c -r e12690a37795 net/server_epoll.lua
--- a/net/server_epoll.lua	Mon Jun 01 16:14:44 2020 +0100
+++ b/net/server_epoll.lua	Mon Jun 01 17:19:08 2020 +0200
@@ -719,10 +719,7 @@
 	self:on("connect");
 end
 
-local function listen(addr, port, listeners, config)
-	local conn, err = socket.bind(addr, port, cfg.tcp_backlog);
-	if not conn then return conn, err; end
-	conn:settimeout(0);
+local function wrapserver(conn, addr, port, listeners, config)
 	local server = setmetatable({
 		conn = conn;
 		created = realtime();
@@ -741,6 +738,13 @@
 	return server;
 end
 
+local function listen(addr, port, listeners, config)
+	local conn, err = socket.bind(addr, port, cfg.tcp_backlog);
+	if not conn then return conn, err; end
+	conn:settimeout(0);
+	return wrapserver(conn, addr, port, listeners, config);
+end
+
 -- COMPAT
 local function addserver(addr, port, listeners, read_size, tls_ctx)
 	return listen(addr, port, listeners, {
@@ -897,6 +901,7 @@
 	closeall = closeall;
 	setquitting = setquitting;
 	wrapclient = wrapclient;
+	wrapserver = wrapserver;
 	watchfd = watchfd;
 	link = link;
 	set_config = function (newconfig)