The getpgrp callable service gets the process group ID (PGID) of the calling process.
| Operation | Environment |
|---|---|
| Authorization: | Supervisor state or problem state, any PSW key |
| Dispatchable unit mode: | Task |
| Cross memory mode: | PASN = HASN |
| AMODE (BPX1GPG): | 31-bit |
| AMODE (BPX4GPG): | 64-bit |
| ASC mode: | Primary mode |
| Interrupt status: | Enabled for interrupts |
| Locks: | Unlocked |
| Control parameters: | All parameters must be addressable by the caller and in the primary address space. |
|
The name of a fullword in which the getpgrp service places the caller's process group ID.
If getpgrp fails, the process ends abnormally.
There are no restrictions on the use of the getpgrp service.
For an example using this callable service, see BPX1GPG (getpgrp) example.