[erlang-questions] Simple tcp server

Kaiduan Xie <>
Sun Jan 16 19:02:04 CET 2011


The gen_server is the controlling process of the listen socket, when
you terminate the gen_server, the gen_tcp:accept(Socket) will return
error with reason closed, and it goes endless loop in your accept()
process, so your CPU hits 97-100%.

You can catch [error, closed} for gen_tcp:accept(), and close the listen socket.

/Kaiduan

On Sun, Jan 16, 2011 at 12:36 PM, shk <> wrote:
>
> Hello,
>
> I'm new in erlang and try to write simple tcp server.
>
> Code :  https://gist.github.com/781975  My Code
>
> I start server, then connect some client with help telnet. When I try to
> stop it i call stop() And after it thats CPU engaged 97-100 %. I think that
> i must close socket. How can I make it correctly? And just do the correct
> terminate server?
>
> Thank you.
>
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