osfmk/kern/task_policy.c

58  *  as well as importance inheritance, process suppression, task QoS, and apptype.
456 	integer_t			importance)
475 	task->importance = importance;
1015 		/* Calculate 'live donor' status for live importance */
1219 	 * TODO: pidbind needs to stuff remembered importance into saved_importance
1225 		thread->saved_importance = thread->importance;
1226 		policy.importance = INT_MIN;
1228 		policy.importance = thread->saved_importance;
1280 		priority += task->importance;
2045 proc_setthread_saved_importance(__unused thread_t thread, __unused int importance)
2270 			 * A boot arg controls whether interactive daemons are importance receivers.
3140  * Routines for importance donation/inheritance/boosting
3220 	/* TODO: Lower importance downstream before disconnect */
3270  * Check if this task should donate importance.
3366  * External importance assertions are managed by the process in userspace
3367  * Internal importance assertions are the responsibility of the kernel
3377 	/* must already have set up an importance */
3391 	/* may be first time, so allow for possible importance setup */
3408 	/* may be first time, so allow for possible importance setup */
3425 	/* must already have set up an importance */
3440 	/* must already have set up an importance */
3455 	/* must already have set up an importance */
3470 	/* must already have set up an importance */
3547  * Routines for VM to query task importance
3552  * Order to be considered while estimating importance
3676  * Estimate task importance for purging its purgeable memory
3684  * Returns: Estimated task importance. Less important task will have lower
3685  *          estimated importance.