+#else
+ {
+ fd_set wfds, *z=NULL;
+
+#ifdef FD_SETSIZE
+ if ( s >= FD_SETSIZE ) {
+ rc = AC_SOCKET_ERROR;
+ tcp_close( s );
+ ldap_pvt_set_errno( EMFILE );
+ return rc;
+ }
+#endif
+ do {
+ FD_ZERO(&wfds);
+ FD_SET(s, &wfds );
+ rc = select( ldap_int_tblsize, z, &wfds, z, opt_tv ? &tv : NULL );
+ } while( rc == AC_SOCKET_ERROR && errno == EINTR &&
+ LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART ));
+
+ if( rc == AC_SOCKET_ERROR ) return rc;
+
+ if ( FD_ISSET(s, &wfds) ) {
+ if ( ldap_pvt_is_socket_ready(ld, s) == -1 ) return -1;
+ if ( ldap_pvt_ndelay_off(ld, s) == -1 ) return -1;
+#ifdef DO_SENDMSG
+ goto sendcred;
+#else
+ return ( 0 );
+#endif
+ }
+ }
+#endif
+