wangchdo opened a new pull request, #17362:
URL: https://github.com/apache/nuttx/pull/17362
## Summary
If the task is blocked waiting for a event, then that task must
be unblocked when a signal is received.
## Impact
Fix signal dispatch issue, no impact to other nuttx functions.
## Testing
**ostest passed on board fvp-armv8r-aarch32**
```
NuttShell (NSH)
nsh> [ 0] Idle_Task: nx_start: CPU0: Beginning Idle Loop
nsh> uname -a
NuttX 0.0.0 78d7e29638 Nov 22 2025 15:49:02 arm fvp-armv8r-aarch32
nsh>
nsh> ostest
(...)
user_main: nxevent test
[ 4] ostest: nxtask_activate: ostest pid=86,TCB=0x20011988
[86] ostest: nx_pthread_exit: exit_value=0
[86] ostest: pthread_completejoin: pid=86 exit_value=0
[86] ostest: nxtask_exit: ostest pid=86,TCB=0x20011988
[ 4] ostest: pthread_destroyjoin: pjoin=0x20011a70
[ 4] ostest: pthread_join: Returning 0
[ 4] ostest: nxtask_activate: ostest pid=87,TCB=0x20011988
[ 4] ostest: nxtask_activate: ostest pid=88,TCB=0x20011ac8
[87] ostest: nx_pthread_exit: exit_value=0
[87] ostest: pthread_completejoin: pid=87 exit_value=0
[87] ostest: nxtask_exit: ostest pid=87,TCB=0x20011988
[88] ostest: nx_pthread_exit: exit_value=0
[88] ostest: pthread_completejoin: pid=88 exit_value=0
[88] ostest: nxtask_exit: ostest pid=88,TCB=0x20011ac8
[ 4] ostest: pthread_destroyjoin: pjoin=0x20011a70
[ 4] ostest: pthread_join: Returning 0
[ 4] ostest: pthread_destroyjoin: pjoin=0x20011a80
[ 4] ostest: pthread_join: Returning 0
End of test memory usage:
VARIABLE BEFORE AFTER
======== ======== ========
arena 7ff9d1c 7ff9d1c
ordblks 5 5
mxordblk 7febeb8 7febeb8
uordblks b664 b664
fordblks 7fee6b8 7fee6b8
Final memory usage:
VARIABLE BEFORE AFTER
======== ======== ========
arena 7ff9d1c 7ff9d1c
ordblks 1 5
mxordblk 7ff0840 7febeb8
uordblks 94dc b664
fordblks 7ff0840 7fee6b8
user_main: Exiting
[ 4] ostest: nxtask_exit: ostest pid=4,TCB=0x2000d390
ostest_main: Exiting with status 0
stdio_test: Standard I/O Check: fprintf to stderr
[ 3] ostest: nxtask_exit: ostest pid=3,TCB=0x2000af68
nsh>
```
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