DFSCMC10 (shutdown appendage)
The only modules that manipulate the LXB trace stack are the CTC access method modules, DFSCMC00, DFSCMC10, DFSCMC40, and DFSCMC50. The shutdown values and meaning of DFSCMC100 are listed.
- Byte 1, bits 4-7
-
- Value
- Meaning
- 1
- Completion was normal; a new I/O operation was scheduled
- 2
- Completion was normal; LLB was posted
- 3
- Completion was abnormal; UCB was already cleared
- 4
- Completion was abnormal; this routine has cleared UCB and posted LLB
- 5
- Completion was abnormal; this routine will restart I/O
- 6
- Completion was abnormal; this routine has restarted I/O
- 7
- Completion was normal; UCB was already cleared
- Byte 2
- This contains the first command code in the just-completed channel program (pointed by IOSVST).