[Bug sanitizer/81066] sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined

[raj.khem at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81066

--- Comment #7 from Khem Raj <raj.khem at gmail dot com> ---
(In reply to Florian Weimer from comment #6)
> (In reply to Khem Raj from comment #5)
> > +#ifndef __stack_t_defined
> > +struct stack_t;
> > +#endif
> 
> Where does __stack_t_defined come from?  If this is the definition from the
> glibc headers, that's really brittle because it's totally internal.

infact it is from bits/types/stack_t.h so you are right. sanitizers redefine a
lot
of stuff from libc. So we can not include signal.h without such quirks