wangchdo commented on code in PR #17359:
URL: https://github.com/apache/nuttx/pull/17359#discussion_r2549131668
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fs/vfs/fs_signalfd.c:
##########
@@ -149,7 +149,7 @@ static int signalfd_file_close(FAR struct file *filep)
for (signo = MIN_SIGNO; signo <= MAX_SIGNO; signo++)
{
- if (nxsig_ismember(&dev->sigmask, signo))
+ if (nxsig_ismember(&dev->sigmask, signo) == 1)
Review Comment:
I think `nxsig_ismember()` is intended to implement the POSIX API`
sigismember()`.
According to` sigismember()`, a return value of 1 means the specified signal
is a member of the set, and 0 means it is not.
In addition, `group_signal_handler(`) also checks for `== 1`.
I changed here because I think these usages should be consistent.
Maybe I should not change here and go to update `group_signal_handler() `to
not use `==1`?
<img width="810" height="816" alt="image"
src="https://github.com/user-attachments/assets/6851538c-647f-4fbc-866f-4e54d4516edb";
/>
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