wangchdo opened a new pull request, #17222:
URL: https://github.com/apache/nuttx/pull/17222
This PR includes three commits:
**commit 1:**
In the current scheduler implementation, nxsched_ticksleep()
sets the current task state to TSTATE_WAIT_SIG, which is not
semantically appropriate. A dedicated TSTATE_SLEEPING state
is more suitable for this purpose.
Additionally, list_sleepingtasks() is introduced to replace
list_waitingforsignal() in the nxsched_ticksleep() implementation,
to clearly distinguish tasks sleeping for timeout from those
waiting for signals.
**commit 2:**
Add a new function nxsched_wakeup() to the scheduler,
which allows waking up a sleeping task before its timeout.
**commit 3:**
Refactor nxsched_timeout() to use nxsched_wakeup() in order to
eliminate code duplication and improve maintainability
## Summary
Improved implementation of nxsched_ticksleep() and introduced new function
nxsched_wakeup()
## Impact
Improvement of newly added function nxsched_ticksleep() and introduced a
new function nxsched_wakeup()
No impact to other nuttx functions
## Testing
[PR 17204 ](https://github.com/apache/nuttx/pull/17204) has already replace
all Signal-based sleep implement to Scheduled sleep, So CI will verify this
PR's improvement of nxsched_ticksleep() is OK
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