socket_listen

NAME

socket_listen() - listen for connections on a socket

SYNOPSIS

#include <socket_err.h>

int socket_listen( int s, string listen_callback );

DESCRIPTION

To accept connections, a socket is first created with socket_create(3),
the socket is them put into listening mode with  socket_listen(3),  and
the connections are accepted with socket_accept(3). The socket_listen()
call applies only to sockets of type STREAM or MUD.

The argument listen_callback is the name of a function for  the  driver
to  call  when  a  connection is requested on the listening socket. The
listen callback should follow this format:

    void listen_callback(int fd)

Where fd is the listening socket.

RETURN VALUES

socket_listen() returns:

    EESUCCESS on success.

    a negative value indicated below on error.

ERRORS

EEFDRANGE      Descriptor out of range.

EEBADF         Descriptor is invalid.

EESECURITY     Security violation attempted.

EEMODENOTSUPP  Socket mode not supported.

EENOADDR       Socket not bound to an address.

EEISCONN       Socket is already connected.

EELISTEN       Problem with listen.

SEE ALSO

socket_accept(3), socket_connect(3), socket_create(3)