AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE User's Guide download pdf (Page 212)

198

DAK

KwikNet TCP/IP Sockets

Returns ...continued

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 The socket is already bound to an address or

parameter destaddr or addrlen is invalid.

EADDRNOTAVAIL The specified address is not available from the

local machine or a broadcast address is not allowed

as a destination for this socket.

EADDRINUSE The specified address is already in use.

EAFNOSUPPORT Addresses in the address family specified by

*destaddr cannot be used with this socket.

ETIMEDOUT Timed out before connection could be established.

(see note below)

ECONNREFUSED The attempt to connect was forcefully rejected.

(see note below)

EHOSTUNREACH There is no route available to reach the destination

address specified. (see note below)

EINPROGRESS The socket is non-blocking and the connection has

not yet been established.

EALREADY The socket is non-blocking and a previous connection

attempt is in progress but is not yet complete.

EPERM The socket descriptor s is a listening socket. Do not

call kn_connect() after calling kn_listen().

ENOBUFS Memory needed to service the request is unavailable.

** note ** You should close the socket identified by descriptor s

to ensure that the connection attempt is aborted.

Then, if necessary, call kn_socket() to obtain a new

socket descriptor and attempt the connection again.

See Also kn_bind(), kn_getsockname(), kn_select(), kn_socket()

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AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE User's Guide Page 212