Re: [PATCH v4 0/1] MR2126: ntdll: Print an error if we receive a signal not on the signal stack.

[Jinoh Kang (＠iamahuman)]

Jinoh Kang (@iamahuman) commented about dlls/ntdll/unix/thread.c:
> +/***********************************************************************
> + *           check_signal_stack
> + */
> +void check_signal_stack(void)
> +{
> +    stack_t ss;
> +
> +    sigaltstack( NULL, &ss );
> +    if (!(ss.ss_flags & SS_ONSTACK))
> +    {
> +        struct sigaction sa;
> +
> +        /* if this happened we probably got a signal from a non-wine thread.
> +         * regardless of the reason, we can't get access to the TEB (or there
> +         * isn't one), so print a message and bail */
> +        fprintf( stderr, "wine: received signal not on the signal stack; terminating\n" );
> `fprintf` is not async-signal-safe.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2126#note_26517