Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (n - p) pthread_cleanup_pop(2)
Include the spthread.h header file in the application.
Compile the application using the _SPT_MODEL_ feature test macro or equivalent
compiler command option.
RELATED INFORMATION
Functions: pthread_cancel(2), pthread_cleanup_push(2), pthread_create(2),
pthread_exit(2).
STANDARDS CONFORMANCE
Interfaces documented on this reference page conform to the following industry standards:
IEEE Std 1003.1-2004, POSIX System Application Program Interface
The use of the header file spthread.h is an HP exception to the POSIX standard.
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