osfmk/kern/sched_prim.h

74 #include <kern/thread.h>
86 /* Force a preemption point for a thread and wait for it to stop running */
88 						thread_t	thread,
93 						thread_t	thread);
95 /* Wait for a thread to stop running */
97 						thread_t	thread,
100 /* Unblock thread on wake up */
102 						thread_t		thread,
105 /* Unblock and dispatch thread */
107 						 	thread_t		thread,
115 /* Switch directly to a particular thread */
122 /* Resume thread with new stack */
134 					thread_t		thread,
137 /* Set base priority of the specified thread */
139 					thread_t		thread,
142 /* Set the thread to be categorized as 'background' */
143 extern void             sched_set_thread_throttled(thread_t thread,
146 /* Set the thread's true scheduling mode */
147 extern void             sched_set_thread_mode(thread_t thread,
150 extern void             sched_thread_mode_demote(thread_t thread,
153 extern void             sched_thread_mode_undemote(thread_t thread,
156 /* Reset scheduled priority of thread */
158 					thread_t		thread,
161 /* Adjust scheduled priority of thread during execution */
163 					thread_t		thread);
170 					thread_t		thread);
173 											thread_t		thread);
176 								thread_t		thread);
178 extern void		sched_traditional_quantum_expire(thread_t	thread);
180 /* Idle processor thread */
196 /* Reschedule thread for execution */
198 					thread_t	thread,
208 /* Bind the current thread to a particular processor */
212 /* Choose the best processor to run a thread */
216 									 thread_t			thread);
218 /* Choose a thread from a processor's priority-based runq */
226 								thread_t thread);
237 							  thread_t			thread,
242 									 thread_t			thread);
248                                                  thread_t thread);
258                                                 thread_t thread);
263 /* Remove thread from its run queue */
265 						thread_t	thread);
268 					void			*thread,
272 						thread_t thread);
282 void		sched_traditional_fairshare_enqueue(thread_t thread);
286 boolean_t	sched_traditional_fairshare_queue_remove(thread_t thread);
296 void		sched_grrr_fairshare_enqueue(thread_t thread);
300 boolean_t	sched_grrr_fairshare_queue_remove(thread_t thread);
305 /* Set the maximum interrupt level for the thread */
310 						thread_t		 thread,
313 /* Wake up locked thread directly, passing result */
315 						thread_t		thread,
348 #define THREAD_URGENCY_BACKGROUND	1	/* indicates that the thread is marked as a "background" thread */
349 #define THREAD_URGENCY_NORMAL		2	/* indicates that the thread is marked as a "normal" thread */
350 #define THREAD_URGENCY_REAL_TIME	3	/* indicates that the thread is marked as a "real-time" or urgent thread */
352 /* Returns the "urgency" of a thread (provided by scheduler) */
354 					thread_t	thread,
358 /* Tells the "urgency" of the just scheduled thread (provided by CPU PM) */
386 /* Wake up thread directly, passing result */
388 						thread_t		thread,
391 /* Start thread running */
407 /* Declare thread will wait on a particular event */
412 /* Assert that the thread intends to wait with a timeout */
419 /* Assert that the thread intends to wait with an urgency, timeout and leeway */
433 /* Assert that the thread intends to wait with an urgency, deadline, and leeway */
441 /* Wake up thread (or threads) waiting on a particular event */
492 	 * Choose a thread of greater or equal priority from the per-processor
501 	 * Steal a thread from another processor in the pset so that it can run
512 					 thread_t	thread,
516 	 * Pick the best processor for a thread (any kind of thread) to run on.
521 										 thread_t			thread);
523 	 * Enqueue a timeshare or fixed priority thread onto the per-processor
528 								 thread_t			thread,
535 	/* Remove the specific thread from the per-processor runqueue */
538 									thread_t		thread);
555 	 * should cause the currently-running thread to be preempted?
560 	 * Does the per-processor runqueue contain a runnable thread
562 	 * thread selection
568 	/* Quantum size for the specified non-realtime thread. */
569 	uint32_t	(*initial_quantum_size)(thread_t thread);
571 	/* Scheduler mode for a new thread */
575 	 * Is it safe to call update_priority, which may change a thread's
579 	boolean_t	(*can_update_priority)(thread_t thread);
585 	void		(*update_priority)(thread_t thread);
588 	void		(*lightweight_update_priority)(thread_t thread);
591 	void		(*quantum_expire)(thread_t thread);
618 	void		(*fairshare_enqueue)(thread_t thread);
622 	boolean_t	(*fairshare_queue_remove)(thread_t thread);
629 	* Use processor->next_thread to pin a thread to an idle