SVC 2 (0A02)

POST macro - is type 1, gets LOCAL lock.

Calls module IEAVEPST, entry point IGC002.

GTF data is:
R15
No applicable data.
R0
For POST: The completion code to be placed in the ECB.
R1
For POST: The address of the ECB to be posted or (if the high-order bit is 1), the address of a parameter list as follows:
Bytes
Contents
0-3
Address of the ECB.
4-7
Address of the ASCB for the address space that contains the ECB
8-11
Address of the ERRET routine.
12
Bits 0-3 contain the storage protection key of the ECB if the high-order bit of R0 is on and the high-order bit of R1 is on.