[Mono-list] threads and Async Socket methods
Gonzalo Paniagua Javier
Fri, 07 May 2004 20:02:48 +0200
El vie, 07-05-2004 a las 18:09, Kele Turnipseed escribió:
> I am not sure if the problem I am experiencing is the same as yours, but I
> will explain what appears to be happening to me.
> I have a similar program: a TCP server with lots of data being relayed
> between the clients. I am using async for accepting, sending and receiving.
> When I have about 20 async calls which have not returned for a while, all
> subsequent calls lock up until the first calls finish. This happens a lot
> when a client stops acknowledging packets, but is not registering as
> disconnected. I can see a large send queue value in netstat when this
The default socket implementation for asynchronous methods uses the
threadpool, which, by default, has 25 worker threads. If you use all of
them bad things may happen. I wrote something about that: