[openssl-users] Extra EPOLLIN event at end of SSL connection

Kurt Roeckx kurt at roeckx.be
Mon Feb 8 22:14:33 UTC 2016

On Mon, Feb 08, 2016 at 07:43:00AM -0700, counterpoint wrote:
> Working on a multi-threaded system that is providing an SSL server
> capability, I am running into an odd problem at the end of a connection.
> There seems no functional downside, in that it appears all data is handled
> correctly. The trouble is errors are being logged.
> What seems to happen is that the connection works fine up to the point where
> it comes to an end. The client uses the application protocol (MySQL) to send
> a message saying it wants to disconnect. However, it seems that there is an
> EPOLLIN event that occurs after this.

TLS also does a shutdown of the connection, in which no
application data is send anymore but at the TLS level packets
still get send.  Is that what you mean?


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