ENDLOG
NM and CM callable.
Posts a record to the logging file marking the end of a logical
transaction. When the record is posted, ENDLOG flushes the user logging
memory buffer to ensure that the record gets to the logging file. User
logging (LG) or system supervisor (OP) capability is required.
I32 U16A I16 I16 I16
ENDLOG(index,data,length,mode,logstatus);