> From: Frank van der Linden <[EMAIL PROTECTED]>
> Subject: Re: [osol-code] Re: SIGINFO (VSTATUS) support
...
> About signals: adding SIGINFO would probably mean we have to bump the
> total number of signals anyway. Currently, the number of RT signals is
> 8, and that seems to be the minimum (e.g. _POSIX_RTSIG_MAX is defined as
> 8). I'm not quite sure what the defined/expected values are here.
> SIGRTMIN and SIGRTMAX are defined to be sysconf(2) values, so that's no
> problem, but having the number of available realtime signals drop below
> 8 could be a problem. If someone knows what the standards say, speak
> up.. I have not been able to find a conclusive answer on this.
Your understanding is basically correct: the symbol _POSIX_RTSIG_MAX
is a minimum maximum for the number of realtime signals; there can
be no less than 8 realtime signals. This is from IEEE 1003.1
or ISO/IEC 9945-1.
-JZ
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