OpenTP1 Version 7 TP1/Client User's Guide TP1/Client/W, TP1/Client/P
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2.6.3 Notes on using the continuous reception function for one-way messages
The following provides notes on using the continuous reception function for one-way messages:
- In the client environment definition, if DCSELINT is set to 0, control is not returned to the operating system.
- The maximum number of messages that the TCP/IP queue can contain depends on the maximum defined in the operating system. If more messages than the maximum arrive at the queue, the dc_rpc_cltsend function executed on the server side returns a DCRPCER_SERVICE_NOT_UP error.
- With TP1/Client/P, a problem exists such that even if you specify an already used port number, an error will not be detected. Since TP1/Client/P does not check for duplicated port number specifications, make sure that you do not specify the number of an already used port.
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