Fix-Point commented on code in PR #16342:
URL: https://github.com/apache/nuttx/pull/16342#discussion_r2081173625


##########
sched/wqueue/kwork_cancel.c:
##########
@@ -60,55 +61,50 @@ static int work_qcancel(FAR struct kwork_wqueue_s *wqueue, 
bool sync,
 
   flags = spin_lock_irqsave(&wqueue->lock);
 
-  /* Check whether we own the work structure. */
-
   if (!work_available(work))
     {
-      bool is_head = list_is_head(&wqueue->pending, &work->node);
-
-      /* Seize the ownership from the work thread. */
-
-      work->worker = NULL;
-
-      list_delete(&work->node);
-
       /* If the head of the pending queue has changed, we should reset
        * the wqueue timer.
        */
 
-      if (is_head)
+      if (work_remove(wqueue, work))
         {
-          if (!list_is_empty(&wqueue->pending))
-            {
-              work = list_first_entry(&wqueue->pending, struct work_s, node);
-
-              ret = wd_start_abstick(&wqueue->timer, work->qtime,
-                                     work_timer_expired, (wdparm_t)wqueue);
-            }
-          else
-            {
-              wd_cancel(&wqueue->timer);
-            }
+          work_timer_reset(wqueue);
         }
     }
-  else if (!up_interrupt_context() && !sched_idletask() && sync)
+
+  if (sync)
     {
       int wndx;
 
+      /* We can not cancel_sync in the interrupt and idletask context. */
+
+      DEBUGASSERT(!up_interrupt_context() && !sched_idletask());
+
+      /* Wait until the worker thread finished the work. */
+
       for (wndx = 0; wndx < wqueue->nthreads; wndx++)
         {
           if (wqueue->worker[wndx].work == work &&
               wqueue->worker[wndx].pid != nxsched_gettid())
             {
               wqueue->worker[wndx].wait_count++;
-              spin_unlock_irqrestore(&wqueue->lock, flags);
-              nxsem_wait_uninterruptible(&wqueue->worker[wndx].wait);
-              return 1;
+              sync_wait = &wqueue->worker[wndx].wait;
+
+              /* Return 1 means waiting for it to finish. */
+
+              ret = 1;

Review Comment:
   Seems like an unused return value, removed.



##########
sched/wqueue/kwork_queue.c:
##########
@@ -81,18 +81,15 @@ int work_queue_period_wq(FAR struct kwork_wqueue_s *wqueue,
 {
   irqstate_t flags;
   clock_t    expected;
-  bool wake = false;
-  int  ret  = OK;
+  bool retimer = false;
+  bool wake    = false;
+  int  ret     = OK;

Review Comment:
   Done.



##########
sched/wqueue/kwork_queue.c:
##########
@@ -134,6 +139,11 @@ int work_queue_period_wq(FAR struct kwork_wqueue_s *wqueue,
       wake = true;
     }
 
+  if (retimer)
+    {
+      work_timer_reset(wqueue);
+    }
+
   spin_unlock_irqrestore(&wqueue->lock, flags);
 
   if (wake)

Review Comment:
   Done.



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