[PATCH] posix_spawn: skip SIGKILL & SIGSTOP

[Takashi Yano]

On Mon, 10 Mar 2025 22:55:17 +0800
Yuyi Wang wrote:
> 
> sigaction() returns EINVAL on SIGKILL & SIGSTOP. We need to skip them.
> ---
>   newlib/libc/posix/posix_spawn.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/newlib/libc/posix/posix_spawn.c b/newlib/libc/posix/posix_spawn.c
> index 6fd6159d0..46e4e5369 100644
> --- a/newlib/libc/posix/posix_spawn.c
> +++ b/newlib/libc/posix/posix_spawn.c
> @@ -199,6 +199,8 @@ process_spawnattr(const posix_spawnattr_t sa)
> 
>       if (sa->sa_flags & POSIX_SPAWN_SETSIGDEF) {
>           for (i = 1; i < NSIG; i++) {
> +            if (i == SIGKILL || i == SIGSTOP)
> +                continue;
>               if (sigismember(&sa->sa_sigdefault, i))
>                   if (sigaction(i, &sigact, NULL) != 0)
>                       return (errno);
> -- 
> 2.48.1.windows.1-2
> 

Thanks for the patch. LGTM.

Corinna, is this as you intended?

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>