AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE Guia do Utilizador descarregar pdf (Página 234)

220

DAK

KwikNet TCP/IP Sockets

kn_shutdown kn_shutdown

Purpose Shut down All or Part of a Full Duplex Socket Connection

Used by

n Task o ISP o Timer Procedure o Restart Procedure o Exit Procedure

Setup Prototype is in file KN_SOCK.H.

#include "KN_SOCK.H"

int kn_shutdown(int s, int how);

Description S is a socket descriptor identifying the socket with the connection which is

to be shut down.

How is an integer which defines how the connection is to be adjusted.

0 if no further receives are allowed

1 if no further sends are allowed

2 if no further receives or sends are allowed

Returns If successful, a value of 0 is returned.

On failure, the error status -1 is returned.

The error indicator for socket s is set to define the reason for failure. Use

kn_errno() to retrieve the error code.

EBADF The socket descriptor s is invalid.

EINVAL Parameter how is invalid.

ESHUTDOWN The connection has been shut down or

the socket is in the process of closing.

EOPNOTSUPP Invalid operation (not a TCP socket).

Restriction This procedure can only be used to shut down a socket which supports the

TCP protocol.

See Also kn_accept(), kn_connect(), kn_socket()

1 2 ... 229 230 231 232 233 234 235 236 237 238 239 ... 315 316

Sem comentários

AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE Guia do Utilizador Página 234