Re: [PATCH 10/19] csky: Signal handling

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On Sun, Mar 18, 2018 at 8:51 PM, Guo Ren <ren_guo@xxxxxxxxx> wrote:
> Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx>
> ---
>  arch/csky/include/uapi/asm/sigcontext.h |  33 +++
>  arch/csky/include/uapi/asm/signal.h     | 164 ++++++++++++++
>  arch/csky/kernel/signal.c               | 379 ++++++++++++++++++++++++++++++++
>  3 files changed, 576 insertions(+)

Please have a look at arch/riscv and arch/nds32 for this, I think it can be
simplified. This is an incompatible change of course, but when we change
the system call ABI anyway, that is the right time to do it.


> +#define NSIG           32
> +typedef unsigned long sigset_t;
> +
> +#endif /* __KERNEL__ */
> +
> +#define SIGHUP          1
> +#define SIGINT          2
> +#define SIGQUIT                 3
> +#define SIGILL          4
> +#define SIGTRAP                 5
> +#define SIGABRT                 6
> +#define SIGIOT          6
> +#define SIGBUS          7
> +#define SIGFPE          8
> +#define SIGKILL                 9
> +#define SIGUSR1                10
> +#define SIGSEGV                11
> +#define SIGUSR2                12
> +#define SIGPIPE                13

In particular the constants should come from the asm-generic headers
rather than being duplicated. If you need anything special, it may be
better to modify the generic headers.

        Arnd



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