do {
rc = connect(sock->socketdes,
(const struct sockaddr *)&sa->sa.sin,
sa->salen);
} while (rc == -1 && errno == EINTR);

/* we can see EINPROGRESS the first time connect is called on a non-blocking
* socket; if called again, we can see EALREADY
*/
if ((rc == -1) && (errno == EINPROGRESS || errno == EALREADY)
&& (sock->timeout > 0)) {
rc = apr_wait_for_io_or_timeout(NULL, sock, 0); /** USE SELECT TO WAIT TIMEOUT **/
if (rc != APR_SUCCESS) {
return rc;
}

#ifdef SO_ERROR
{
int error;
apr_socklen_t len = sizeof(error);
if ((rc = getsockopt(sock->socketdes, SOL_SOCKET, SO_ERROR,
(char *)&error, &len)) < 0) {
return errno;
}
if (error) {
return error;
}
}
#endif /* SO_ERROR */
}

if (rc == -1 && errno != EISCONN) {
return errno;
}