Fix-Point commented on code in PR #17784:
URL: https://github.com/apache/nuttx/pull/17784#discussion_r2667182760
##########
sched/hrtimer/hrtimer_cancel.c:
##########
@@ -129,11 +129,13 @@ int hrtimer_cancel(FAR hrtimer_t *hrtimer)
if (hrtimer_is_armed(hrtimer))
{
hrtimer_remove(hrtimer);
- }
- /* Mark timer as cancelled */
+ /* Mark timer as cancelled */
+
+ hrtimer->func = NULL;
+ }
- hrtimer->expired = UINT64_MAX;
+ hrtimer->expired++;
Review Comment:
> but should we check func in hrtimer_process
We can not check the `hrtimer->func` since the restarted timer may be with
the same function and same expired but different next delay. There is still
ownership invariant violation of the hrtimer. I will detailed discussed it in
next patches.
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