anchao commented on code in PR #17222:
URL: https://github.com/apache/nuttx/pull/17222#discussion_r2452051102


##########
include/nuttx/sched.h:
##########
@@ -251,6 +251,7 @@ enum tstate_e
   TSTATE_TASK_RUNNING,        /* READY_TO_RUN - And running */
 
   TSTATE_TASK_INACTIVE,       /* BLOCKED      - Initialized but not yet 
activated */
+  TSTATE_SLEEPING,            /* BLOCKED      - Waiting for wakeup or timeout 
*/
   TSTATE_WAIT_SEM,            /* BLOCKED      - Waiting for a semaphore */
   TSTATE_WAIT_SIG,            /* BLOCKED      - Waiting for a signal */

Review Comment:
   1. Sleep/signal is a niche use case. Application design should prioritize 
event triggering over timeouts.
   2. This change will maintain the same performance as before, as both use 
signal lists.



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