Re: a question about the use of MAP_ANON in libsigsegv

[Dennis Clarke]

On 8/10/23 15:16, Bruno Haible wrote:
> Hi Dennis,
>
> > -std=iso9899:1999 -pedantic -pedantic-errors
> > ...
> > ./stackvma-rofile.c:154:22: error: call to undeclared function
> > 'getpagesize'; ISO C99 and later do not support implicit function
> > declarations [-Werror,-Wimplicit-function-declaration]
> >             pagesize = getpagesize ();
> >                        ^
> > ./stackvma-rofile.c:169:36: error: use of undeclared identifier
> > 'MAP_ANONYMOUS'
> >                                      MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
> >                                      ^
>
> I explained already in
> <https://lists.gnu.org/archive/html/bug-libsigsegv/2022-10/msg00000.html>
> why this cannot work.
>
> Bruno

but ... GNU is not a standard.

Whatever ... I'll never bother you again on that one. Guess the code is
 just not portable and never will be.




--
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Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
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