Re: [lwip-users] Issue with netconn_close closing connection before netconn_write's have completed

[ricardoschoof]

Hi,
I have fixed my code (although I'm using sockets). It seems the socket
implementation was closing the connection even when there was pending data.
Enabling SO_LINGER cause the application to close the socket after all data
was sent, or a timeout occured.

The netconn solution also has a linger option, this might be the solution
you need?

netconn linger:
https://www.nongnu.org/lwip/2_0_x/structnetconn.html#a25ed06d944da0b0b9e7db5265be3fa3d

For more info on linger see (search for SO_LINGER)
http://man7.org/linux/man-pages/man7/socket.7.html



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