Re: [PATCH 8/9] linux-user/nios2: Use set_sigmask in do_rt_sigreturn

[Laurent Vivier]

Le 01/10/2021 à 17:33, Richard Henderson a écrit :
> Using do_sigprocmask directly was incorrect, as it will
> leave the signal blocked by the outer layers of linux-user.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  linux-user/nios2/signal.c | 2 +-
>  linux-user/signal.c       | 2 --
>  2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/linux-user/nios2/signal.c b/linux-user/nios2/signal.c
> index 80e3d42fc9..517cd39270 100644
> --- a/linux-user/nios2/signal.c
> +++ b/linux-user/nios2/signal.c
> @@ -205,7 +205,7 @@ long do_rt_sigreturn(CPUNios2State *env)
>      }
>  
>      target_to_host_sigset(&set, &frame->uc.tuc_sigmask);
> -    do_sigprocmask(SIG_SETMASK, &set, NULL);
> +    set_sigmask(&set);
>  
>      if (rt_restore_ucontext(env, &frame->uc, &rval)) {
>          goto badframe;
> diff --git a/linux-user/signal.c b/linux-user/signal.c
> index 2038216455..5ec63cd092 100644
> --- a/linux-user/signal.c
> +++ b/linux-user/signal.c
> @@ -252,7 +252,6 @@ int do_sigprocmask(int how, const sigset_t *set, sigset_t 
> *oldset)
>      return 0;
>  }
>  
> -#if !defined(TARGET_NIOS2)
>  /* Just set the guest's signal mask to the specified value; the
>   * caller is assumed to have called block_signals() already.
>   */
> @@ -262,7 +261,6 @@ void set_sigmask(const sigset_t *set)
>  
>      ts->signal_mask = *set;
>  }
> -#endif
>  
>  /* sigaltstack management */
>  
> 

Reviewed-by: Laurent Vivier <laurent@vivier.eu>