wangchdo commented on code in PR #17642:
URL: https://github.com/apache/nuttx/pull/17642#discussion_r2661134359
##########
sched/hrtimer/hrtimer.h:
##########
@@ -173,4 +178,66 @@ int hrtimer_compare(FAR const hrtimer_node_t *a,
RB_PROTOTYPE(hrtimer_tree_s, hrtimer_node_s, entry, hrtimer_compare);
+/****************************************************************************
+ * Name: hrtimer_is_armed
+ *
+ * Description:
+ * Test whether a timer is currently armed (inserted into the RB-tree).
+ *
+ * Returned Value:
+ * true if armed, false otherwise.
+ ****************************************************************************/
+
+static inline_function bool hrtimer_is_armed(FAR hrtimer_t *hrtimer)
+{
+ /* RB-tree root has NULL parent, so root must be checked explicitly */
+
+ return (RB_PARENT(&hrtimer->node, entry) != NULL ||
Review Comment:
Done
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