Fix-Point commented on code in PR #16231:
URL: https://github.com/apache/nuttx/pull/16231#discussion_r2051878926
##########
sched/wqueue/kwork_thread.c:
##########
@@ -216,18 +288,49 @@ static int work_thread(int argc, FAR char *argv[])
* posted.
*/
+ /* Check the waiting queue */
+
+ has_next = false;
+
+ if (!list_is_empty(&wqueue->q))
+ {
+ work = list_first_entry(&wqueue->q, struct work_s, node);
+
+ /* The work thread will go sleep until work->qtime */
+
+ ticks = work->qtime;
+ has_next = true;
+ }
+
wqueue->wait_count++;
spin_unlock_irqrestore(&wqueue->lock, flags);
sched_unlock();
+ /* Set the earliest expired work delay */
+
+ if (has_next)
+ {
+ /* If the earliest work has already expired. */
+
+ if (clock_compare(ticks, clock_systime_ticks()))
+ {
+ /* Continue the work thread loop. */
+
+ continue;
+ }
+
+ /* Else we start a time to wake up the work thread. */
+
+ wd_start_abstick(&wqueue->timer, ticks, work_timer_expired,
Review Comment:
I will try to optimize the synchronization in the next patch.
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