VMS Help POSIX Threads, PTHREAD routines, pthread_attr_setschedparam, Associated Routines  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       pthread_attr_init()
       pthread_attr_getschedparam()
       pthread_attr_setinheritsched()
       pthread_attr_setschedpolicy()
       pthread_create()
       sched_yield()