The DLC_ENTER_LBUSY ioctl operation is selectable through the fp_ioctl kernel service or the ioctl subroutine. It can be called from the process environment only.
The following parameter block enters local busy mode on a particular link station (LS):
The fields of this ioctl operation are:
Field | Description |
---|---|
gdlc_sap_corr | Contains the GDLC SAP correlator of the target LS. |
gdlc_ls_corr | Contains the GDLC LS correlator to enter local busy mode. |