The VARY SMS,PDSE | PDSE1, FREELATCH command releases any latch that the ANALYSIS command indicates is held and will not release.

When the asid=0 and the tcbaddr=0, it will release any waiters for the latch.

If this command is used to release a latch held by a process that was still running, it could result in the breakage of the PDSE or PDSE1.

The latch is not released unless it is held by the ASID, tcbaddr, indicated in the command. The latch is released only if it is held by the same user for each of the retries.