The getppid callable service gets the parent process ID (PPID) 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 (BPX1GPP): | 31-bit |
| AMODE (BPX4GPP): | 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. |
|
AMODE 64 callers use BPX4GPP.
The name of a fullword in which the getppid service returns the parent process ID of the calling process.
If the getppid service fails, the process ends abnormally.
There are no restrictions on the use of the getppid service.
For an example using this callable service, see BPX1GPP (getppid) example.