Re: [Qemu-devel] [PATCH v2] linux-user: Support the accept4 socketcall

[Riku Voipio <riku.voipio@iki.fi>]

Hi,

On Mon, Jan 06, 2014 at 05:15:50PM +0100, André Hentschel wrote:
> From: André Hentschel <nerv@dawncrow.de>
> Cc: Riku Voipio <riku.voipio@iki.fi>
> Signed-off-by: André Hentschel <nerv@dawncrow.de>
> ---
> See https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/net.h for the value.

Thanks, applied to the linux-user branch. I'm still checking if there
are other linux-user patches that need submitting upstream before
sending a pull request.

Riku

> 
>  linux-user/syscall.c      | 16 ++++++++++++++++
>  linux-user/syscall_defs.h |  1 +
>  2 files changed, 17 insertions(+)
> 
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index efd1453..1a848a6 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -2245,6 +2245,22 @@ static abi_long do_socketcall(int num, abi_ulong vptr)
>              ret = do_accept4(sockfd, target_addr, target_addrlen, 0);
>          }
>          break;
> +    case SOCKOP_accept4:
> +        {
> +            abi_ulong sockfd;
> +            abi_ulong target_addr, target_addrlen;
> +            int flags;
> +
> +            if (get_user_ual(sockfd, vptr)
> +                || get_user_ual(target_addr, vptr + n)
> +                || get_user_ual(target_addrlen, vptr + 2 * n)
> +                || get_user_ual(flags, vptr + 3 * n)) {
> +                return -TARGET_EFAULT;
> +            }
> +
> +            ret = do_accept4(sockfd, target_addr, target_addrlen, flags);
> +        }
> +        break;
>      case SOCKOP_getsockname:
>          {
>              abi_ulong sockfd;
> diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
> index cf08db5..ae30476 100644
> --- a/linux-user/syscall_defs.h
> +++ b/linux-user/syscall_defs.h
> @@ -27,6 +27,7 @@
>  #define SOCKOP_getsockopt       15
>  #define SOCKOP_sendmsg          16
>  #define SOCKOP_recvmsg          17
> +#define SOCKOP_accept4          18
>  
>  #define IPCOP_semop		1
>  #define IPCOP_semget		2
> -- 
> 1.8.1.2
>