TurboIMAGE/XL Database Management System Reference Manual MPE/iX V6.5 (30391-90011)

Appendix F 655
MPE/iX Log Record Formats
F MPE/iX Log Record Formats
This appendix lists the MPE/iX Log Record Formats for log files and user recovery files.
HEADER
HALFWORD(0) - RECORD NUMBER (1 WORD)
HALFWORD(2) - CHECKSUM
HALFWORD(3) - SUBSYSTEM IDENTIFIER (1ST BYTE)
HALFWORD(3) - LOG RECORD CODE (2ND BYTE - 4)
HALFWORD(4) - TIME
HALFWORD(6) - DATE
HALFWORD(7) - LOGGING IDENTIFIER
OPENLOG
HALFWORD(0) - RECORD NUMBER (1 WORD)
HALFWORD(2) - CHECKSUM
HALFWORD(3) - SUBSYSTEM IDENTIFIER (1ST BYTE)
HALFWORD(3) - LOG RECORD CODE (2ND BYTE - 1)
HALFWORD(4) - TIME
HALFWORD(6) - DATE
HALFWORD(7) - LOGGING IDENTIFIER
HALFWORD(11) - LOG NUMBER
HALFWORD(12) - USER NAME,GROUP,ACCOUNT
HALFWORD(24) - PIN#
WRITELOG
HALFWORD(0) - RECORD NUMBER (1 WORD)
HALFWORD(2) - CHECKSUM
HALFWORD(3) - SUBSYSTEM IDENTIFIER (lST BYTE)
HALFWORD(3) - LOG RECORD CODE (2ND BYTE - 2)
HALFWORD(4) - TIME
HALFWORD(6) - DATE
HALFWORD(7) - LOG NUMBER
HALFWORD(8) - USER BUFFER LENGTH
HALFWORD(9) - USER BUFFER AREA
WRITELOG CONTINUATION
HALFWORD(0) - RECORD NUMBER (1 WORD)
HALFWORD(2) - CHECKSUM
HALFWORD(3) - SUBSYSTEM IDENTIFIER (lST BYTE)
HALFWORD(3) - LOG RECORD CODE (2ND BYTE - 7)
HALFWORD(4) - TIME
HALFWORD(6) - DATE
HALFWORD(7) - LOG NUMBER
HALFWORD(8) - USER BUFFER LENGTH
HALFWORD(9) - USER BUFFER AREA