$ cmake . && make
Pthreads is required on your system.
This demonstrates how to cleanly assign tasks bound to a wsi to a thread pool, with a queue if the pool is occupied.
It creates a threadpool with 3 worker threads and a maxiumum queue size of 4.
The web page at http://localhost:7681 then starts up 8 x ws connections.
$ ./lws-minimal-ws-server-threadpool [2018/03/13 13:09:52:2208] USER: LWS minimal ws server + threadpool | visit http://localhost:7681 [2018/03/13 13:09:52:2365] NOTICE: Creating Vhost 'default' port 7681, 2 protocols, IPv6 off