patacongo commented on issue #8869:
URL: https://github.com/apache/nuttx/issues/8869#issuecomment-1478818623
I just did a quit glance through some of the code to see how real time
signal numbers are being defined. The appear:
1. to be hard-coded, and
2. to overlap the standard signals.
For example, in nuttx-apps I can do:
$ find . -name *.c | xargs grep -l "signal[.]h" | xargs grep define |
grep SIG
The only value real time signals at this moment are 30 and 31. Those are
never used. All signals overlap the standard signal numbers and could have
some really weird consequences.
The value of SIGRTMIN must be created to avoid the overlap, then all usage
of real time signals must be defined something like:
#define SIGNO_A (SIGRTMIN)
#define SIGNO_B (SIGRTMIN + 1)
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