Function SocketShutdown() Professional
Disables data transfer on a socket.
Syntax
SocketShutdown( <nSocket> , ;
<nHow> , ;
[@<nError>] ) --> lSuccess
Parameters
<nSocket>
This is a numeric socket descriptor identifying a socket.
<nHow>
#define constants from the file SOCKET.CH are used for this parameter. It specifies the operation that is disabled on the socket.
Constants for shut down operations
| Constant | Description |
|---|---|
| SD_RECEIVE | Disables receives |
| SD_SEND | Disables sends |
| SD_BOTH | Disables any data transfer |
<nError>
If this parameter is passed by reference to the function, it gets assigned a numeric error code when the function fails. #define constants beginning with WSAE are available in the file SOCKET.CH to identify an error condition.
Return
The function returns .T. (true) when the shut down operation is successful, otherwise .F. (false) is returned.
Description
SocketShutdown() is used on all types of sockets to disable transmission of incoming or outgoing data, or both. Note that SocketShutdown() does not close the socket. Call function SocketClose() to close a socket.
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