Le 14/09/2016 à 22:19, Aleksandar Markovic a écrit :
> From: Aleksandar Markovic <aleksandar.marko...@imgtec.com>
>
> If syscalls msgrcv() and msgsnd() fail, they return E2BIG, EACCES,
> EAGAIN, EFAULT, EIDRM, EINTR, EINVAL, ENOMEM, or ENOMSG.
>
> By examining negative scenarios of these syscalls for Mips, it was
> established that ENOMSG does not have the same value accross all
> platforms, but it is nevertheless not included for conversion in
> the correspondant conversion table defined in linux-user/syscall.c.
> This is certainly a bug, since it leads to the incorrect emulation
> of msgrcv() and msgsnd() for scenarios involving ENOMSG.
>
> This patch fixes this by extending the conversion table to include
> ENOMSG.
>
> Also, LTP test msgrcv04 will be fixed for some platforms.
>
> Signed-off-by: Aleksandar Markovic <aleksandar.marko...@imgtec.com>
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
> ---
> linux-user/syscall.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 7f8ae41..bdc12ae 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -750,6 +750,9 @@ static uint16_t
> host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
> #ifdef ENOTRECOVERABLE
> [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
> #endif
> +#ifdef ENOMSG
> + [ENOMSG] = TARGET_ENOMSG,
> +#endif
> };
>
> static inline int host_to_target_errno(int err)
>
