pthread_self (BPX1PTS, BPX4PTS) — Query the thread ID

Function

The pthread_self callable service gets the thread ID of the calling thread.

Operation	Environment
Authorization:	Supervisor state or problem state, any PSW key
Dispatchable unit mode:	Task
Cross memory mode:	PASN = HASN
AMODE (BPX1PTS):	31-bit
AMODE (BPX4PTS):	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.

CALL BPX1PTS,(Thread_ID)

AMODE 64 callers use BPX4PTS with the same parameter.

Thread_ID

Returned parameter

The name of an 8-byte field in which the service places the thread ID of the calling thread.

The caller should request this service only once when it needs the thread ID of the active thread. It should save a copy of the thread ID in its own storage for repeated usage.
If this service fails, the calling thread ends abnormally.

There are no restrictions on the use of the pthread_self service.

For an example using this callable service, see BPX1PTS (pthread_self) example.