getpid (BPX1GPI, BPX4GPI) — Get the process ID
Function
The getpid callable service gets the process ID (PID) of the calling process.
Requirements
Operation | Environment |
---|---|
Authorization: | Supervisor state or problem state, any PSW key |
Dispatchable unit mode: | Task |
Cross memory mode: | PASN = HASN |
AMODE (BPX1GPI): | 31-bit |
AMODE (BPX4GPI): | 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. |
Format
The syntax format is as follows:
|
Parameters
- Process_ID
- Returned parameter
- Type:
- Integer
- Length:
- Fullword
The name of a fullword where the getpid service places the caller's process ID.
Usage notes
- If the getpid service fails, the process abends.
- To optimize performance, see Optimizing performance using process- and thread-level information.
Related services
Characteristics and restrictions
There are no restrictions on the use of the getpid service.
Examples
For an example using this callable service, see BPX1GPI (getpid) example.