[PATCH] linux/mips: handle wait status 0x7f specially for WIFSIGNALED and WIFSTOPPED

[Xi Ruoyao]

On Thu, 2026-02-12 at 14:43 +0100, Florian Weimer wrote:
> * Xi Ruoyao:
> 
> > MIPS Linux has SIGRTMAX=127, thus the wait status 0x7f means the program
> > is terminated by SIGRTMAX, not stopped.
> > 
> > This cannot happen on other ports so make a special version of
> > waitstatus.h for MIPS to avoid adding redundant calculation to others.
> > I cannot find a way to use status only once in the expression, so use
> > inline functions instead of macros to avoid double-evaluating status.
> 
> What happens with exit (127) before and after these changes?

exit (127) produces wstatus=0x7f00, not 0x007f.  Thus with or without
the changes it's handled correctly.


-- 
Xi Ruoyao <xry111@xry111.site>