pussuw commented on code in PR #16194:
URL: https://github.com/apache/nuttx/pull/16194#discussion_r2060189145
##########
sched/semaphore/sem_recover.c:
##########
@@ -100,7 +101,39 @@ void nxsem_recover(FAR struct tcb_s *tcb)
* place.
*/
- atomic_fetch_add(NXSEM_COUNT(sem), 1);
+ if (NXSEM_IS_MUTEX(sem))
+ {
+ FAR dq_entry_t *wtcb;
+ uint32_t mholder;
+ uint32_t blocks_mask = ~NXSEM_MBLOCKS_BIT;
+
+ /* The TID of the mutex holder is correct but we need to
+ * update the blocking bit. Count the remaining tcbs in the
+ * blocking list (ignoring the one that is being cancelled).
+ */
+
+ for (wtcb = dq_peek(SEM_WAITLIST(sem)); wtcb; wtcb = dq_next(wtcb))
Review Comment:
Check that nxsem_wait_irq is not called by the task exit logic, I forgot to
verify that
Edit: There is no call to nxsem_wait_irq
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