mu578 commented on code in PR #10681:
URL: https://github.com/apache/nuttx/pull/10681#discussion_r1330512276
##########
libs/libc/pthread/pthread_once.c:
##########
@@ -73,15 +75,15 @@ int pthread_once(FAR pthread_once_t *once_control,
/* Prohibit pre-emption while we test and set the once_control. */
- sched_lock();
+ flags = enter_critical_section();
Review Comment:
yes it needs a full mutex implementation, so context aware i.e so that mutex
holds internally a critical section and so on
```
C process lock.lock
|
A ---+
C process preempted by B
|
C +----+
B +-------->
B keeps A from running.
```
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