SVC 78 (0A4E)
LSPACE macro - is type 3, gets LOCAL lock.
Calls module IGC0007H.
GTF data is:
- R15
- No applicable data.
- R0
- Address of the associated UCB or zero. If R0 = 0, R1 points to a parameter list. See z/OS DFSMSdfp Advanced Services for a description.
- R1
- SMF indicator and/or the message buffer address as follows:
- Bytes
- Contents
- 0
- SMF indicator (caller must be in protect key 0 or authorized to
specify either SMF indicator).
- X'80'
- Build SMF record type 19.
- X'40'
- LSPACE should test if the SMF volume information is requested before building the SMF record type 19.
- 1-3
- zero or the address of a 30-byte message buffer.
CUU | dddd | The device number in channel-unit format. |