osfmk/kern/sched_prim.c

1011 			thread_setrun(thread, SCHED_PREEMPT | SCHED_TAILQ);
1385 		thread_setrun(thread, SCHED_PREEMPT | SCHED_TAILQ);
2402 					thread_setrun(thread, SCHED_TAILQ);
2405 					thread_setrun(thread, SCHED_HEADQ);
2407 					thread_setrun(thread, SCHED_PREEMPT | SCHED_TAILQ);
3511  *	thread_setrun:
3520 thread_setrun(
3682 		thread_setrun(thread, SCHED_TAILQ);
3748 		thread_setrun(thread, SCHED_PREEMPT | SCHED_TAILQ);
4132 			thread_setrun(new_thread, SCHED_HEADQ);
4175 			thread_setrun(new_thread, SCHED_HEADQ);