Specifications

Chapter 18. TCP/IP
487
Syntax:
CALL "SOCKET.FN3" .fcShutdwn SOCKFD%, HOWTO%
Description: This function shuts down socket transfers in the specified direction.
BSD4.4 socket API equivalent: This function is equivalent to the BSD4.4
socket API shutdown() function.
Parameters:
SOCKFD% Socket identifier
HOWTO% Direction specification
The direction specification (
HOWTO%) must be one of the following values:
Return value: (None)
Run-time errors:
.fcShutdwn Shut down socket
.soSdRecv 0 Receive
.soSdSend 1 Transmit
.soSdBoth 2 Both
Error code Meaning
105h
Power-off detected
106h
An internal error has occurred in the TCP/IP module during data
transmission.
107h
The TCP/IP module has not been initiated.
108h
The memory for the TCP/IP module has became insufficient dur-
ing data transmission.
209h
Socket identifier is invalid.
216h
A parameter is invalid.
22Ah
This option is not recognized at the specification level.