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Re: [Qemu-devel] [PATCH] linux-user: add kcmp() syscall
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] linux-user: add kcmp() syscall |
Date: |
Thu, 6 Oct 2016 14:19:15 +0100 |
On 6 October 2016 at 13:56, Laurent Vivier <address@hidden> wrote:
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
> linux-user/syscall.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index d21d901..a32386e 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -304,6 +304,11 @@ _syscall3(int, ioprio_set, int, which, int, who, int,
> ioprio)
> _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
> #endif
>
> +#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
> +_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
> + unsigned long, idx1, unsigned long, idx2)
> +#endif
> +
> static bitmask_transtbl fcntl_flags_tbl[] = {
> { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
> { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
> @@ -11943,6 +11948,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
> arg1,
> ret = get_errno(unshare(arg1));
> break;
> #endif
> +#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
> + case TARGET_NR_kcmp:
> + ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
> + break;
> +#endif
>
> default:
> unimplemented:
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM