HP-UX 11i Release Notes (December 2000)

Process, Threads, Memory, and Kernel Parameters
Changes to mpctl() System Call (new)
Chapter 8172
require any changes when the processor set functionality is made
available. The mpctl()’s existing commands will return information
about what processors are available for binding.
When processor set functionality becomes available, if the system is not
partitioned into more than one processor sets, no applications using the
mpctl() interface with current command requests will be affected.