hujun260 commented on code in PR #14578:
URL: https://github.com/apache/nuttx/pull/14578#discussion_r1847563134
##########
sched/sched/sched_lock.c:
##########
@@ -46,6 +46,30 @@
* Public Functions
****************************************************************************/
+/****************************************************************************
+ * Name: sched_lock_wo_note
+ *
+ * Description:
+ * This function disables context switching.
+ * It does not perform instrumentation logic.
+ *
+ ****************************************************************************/
+
+bool sched_lock_wo_note(void)
+{
+ FAR struct tcb_s *tcb;
+
+ if (OSINIT_TASK_READY() && !up_interrupt_context())
+ {
+ tcb = this_task();
+ tcb->lockcount++;
+
+ return tcb->lockcount == 1 ? true : false;
Review Comment:
lockcount is only modified and read by the current task, and there are no
race condition here
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