[PATCH] S390: Sync ptrace.h with kernel. [BZ #21539]

[Carlos O'Donell]

On 07/18/2017 06:20 AM, Dmitry V. Levin wrote:
> Mark Wielaard has spotted [1] a regression that I missed during review.
> After this change, this test case fails to compile with the following
> diagnostics:
> 
> $ gcc -c -xc -o/dev/null - <<'EOF'
> #include <asm/ptrace.h>
> #include <sys/ptrace.h>
> EOF

This is a linux/glibc header coordination issue.

https://sourceware.org/glibc/wiki/Synchronizing_Headers

> The following change fixes this and similar compilation issues that arise
> when sys/ptrace.h is included after linux/ptrace.h:
 
This is a known conflict, and needs to be fixed properly using libc-compat.h
on the kernel side and the appropriate defines on the glibc side.

-- 
Cheers,
Carlos.