static void _dispatch_root_queue_drain_deferred_item()

in src/queue.c [5457:5482]

• 24 lines of code
• 5 McCabe index (conditional complexity)

static void _dispatch_root_queue_drain_deferred_item(
		dispatch_deferred_items_t ddi DISPATCH_PERF_MON_ARGS_PROTO);
static void _dispatch_root_queue_drain_deferred_wlh(
		dispatch_deferred_items_t ddi DISPATCH_PERF_MON_ARGS_PROTO);

void
_dispatch_kevent_workqueue_init(void)
{
	// Initialize kevent workqueue support
	_dispatch_root_queues_init();
	if (!_dispatch_kevent_workqueue_enabled) return;
	dispatch_once_f(&_dispatch_mgr_sched_pred, NULL, _dispatch_mgr_sched_init);
	qos_class_t qos = _dispatch_mgr_sched.qos;
	int prio = _dispatch_mgr_sched.prio;
	pthread_priority_t pp = 0;
	if (qos) {
		pp = _pthread_qos_class_encode(qos, 0, 0);
	}
	if (prio > _dispatch_mgr_sched.default_prio) {
		pp = (pthread_priority_t)prio | _PTHREAD_PRIORITY_SCHED_PRI_FLAG;
	}
	if (pp) {
		int r = _pthread_workqueue_set_event_manager_priority(pp);
		(void)dispatch_assume_zero(r);
	}
}