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Re: sysconf(_SC_RTSIG_MAX)



On Wed, Oct 16, 2019 at 06:16:57PM +0000, Niclas Rosenvik wrote:
> On Mon, 14 Oct 2019 20:40:10 +0000
> coypu%sdf.org@localhost wrote:
> 
> > Patch attached. Needed this for sudo update.
> > 
> > Please tell me how I am wrong.
> > Thanks.
> 
> According to the opengroup docs on sysconf _SC_RTSIG_MAX is to return
> the same value as RTSIG_MAX that might be defined in limits.h.
> RTSIG_MAX is defined as "the number of realtime signals reserved for
> application use in this implementation" with a value of at least
> _POSIX_RTSIG_MAX defined in limits.h. That is the difference between
> SIGRTMAX and SIGRTMIN, not SIGRTMAX. RTSIG_MAX is not guaranteed to be
> defined but _POSIX_RTSIG_MAX shall be defined to 8 in limits.h.
> Make sysconf return SIGRTMAX - SIGRTMIN
Thanks.


> and define _POSIX_RTSIG_MAX to 8 in limits.h

What is POSIX thinking with that requirement...?


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