+int
+taskq_empty_ent(taskq_ent_t *t)
+{
+ return t->tqent_next == NULL;
+}
+
+void
+taskq_init_ent(taskq_ent_t *t)
+{
+ t->tqent_next = NULL;
+ t->tqent_prev = NULL;
+ t->tqent_func = NULL;
+ t->tqent_arg = NULL;
+ t->tqent_flags = 0;
+}
+
+void
+taskq_dispatch_ent(taskq_t *tq, task_func_t func, void *arg, uint_t flags,
+ taskq_ent_t *t)
+{
+ ASSERT(func != NULL);
+ ASSERT(!(tq->tq_flags & TASKQ_DYNAMIC));
+
+ /*
+ * Mark it as a prealloc'd task. This is important
+ * to ensure that we don't free it later.
+ */
+ t->tqent_flags |= TQENT_FLAG_PREALLOC;
+ /*
+ * Enqueue the task to the underlying queue.
+ */
+ mutex_enter(&tq->tq_lock);
+
+ if (flags & TQ_FRONT) {
+ t->tqent_next = tq->tq_task.tqent_next;
+ t->tqent_prev = &tq->tq_task;
+ } else {
+ t->tqent_next = &tq->tq_task;
+ t->tqent_prev = tq->tq_task.tqent_prev;
+ }
+ t->tqent_next->tqent_prev = t;
+ t->tqent_prev->tqent_next = t;
+ t->tqent_func = func;
+ t->tqent_arg = arg;
+ cv_signal(&tq->tq_dispatch_cv);
+ mutex_exit(&tq->tq_lock);
+}
+