IMS Connectivity in an On Demand Environment: A Practical Guide to IMS Connectivity

Chapter 14. Building roll your own clients 291

Closing the socket connection

To close the socket connection, use the close() function using the socket descriptor as a

parameter.

In the sample program, we use a

transaction socket. That means that the IMS Connect host

will close the connection as soon as the transaction has completed. Therefore, if we try to

send a second transaction to IMS, we receive an input output error, because we are trying to

write to a socket that has the remote end closed. If we want to send more than one

transaction without reopening the socket, we use a

permanent socket. See Chapter 7, “IMS

Connect programming model” ...