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* [PATCH] manual: SA_ONSTACK is ignored without alternate stack
@ 2022-02-03  9:48 Florian Weimer
  2022-02-03 11:31 ` Alejandro Colomar (man-pages)
  0 siblings, 1 reply; 2+ messages in thread
From: Florian Weimer @ 2022-02-03  9:48 UTC (permalink / raw)
  To: libc-alpha; +Cc: Ivan Zuboff, Alejandro Colomar (man-pages)

The current stack is used.  No SIGILL is generated.

---
 manual/signal.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/manual/signal.texi b/manual/signal.texi
index 8a12baf044..5c2ba7dae6 100644
--- a/manual/signal.texi
+++ b/manual/signal.texi
@@ -1329,7 +1329,7 @@ Setting this flag for a signal other than @code{SIGCHLD} has no effect.
 If this flag is set for a particular signal number, the system uses the
 signal stack when delivering that kind of signal.  @xref{Signal Stack}.
 If a signal with this flag arrives and you have not set a signal stack,
-the system terminates the program with @code{SIGILL}.
+the normal user stack is used instead, as if the flag had not been set.
 @end deftypevr
 
 @deftypevr Macro int SA_RESTART


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] manual: SA_ONSTACK is ignored without alternate stack
  2022-02-03  9:48 [PATCH] manual: SA_ONSTACK is ignored without alternate stack Florian Weimer
@ 2022-02-03 11:31 ` Alejandro Colomar (man-pages)
  0 siblings, 0 replies; 2+ messages in thread
From: Alejandro Colomar (man-pages) @ 2022-02-03 11:31 UTC (permalink / raw)
  To: Florian Weimer; +Cc: Ivan Zuboff, libc-alpha

Hi Florian,

On 2/3/22 10:48, Florian Weimer wrote:
> The current stack is used.  No SIGILL is generated.
> 
> ---

Thanks for the help!

Alex

>   manual/signal.texi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/manual/signal.texi b/manual/signal.texi
> index 8a12baf044..5c2ba7dae6 100644
> --- a/manual/signal.texi
> +++ b/manual/signal.texi
> @@ -1329,7 +1329,7 @@ Setting this flag for a signal other than @code{SIGCHLD} has no effect.
>   If this flag is set for a particular signal number, the system uses the
>   signal stack when delivering that kind of signal.  @xref{Signal Stack}.
>   If a signal with this flag arrives and you have not set a signal stack,
> -the system terminates the program with @code{SIGILL}.
> +the normal user stack is used instead, as if the flag had not been set.
>   @end deftypevr
>   
>   @deftypevr Macro int SA_RESTART
> 

-- 
Alejandro Colomar
Linux man-pages comaintainer; http://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-02-03  9:48 [PATCH] manual: SA_ONSTACK is ignored without alternate stack Florian Weimer
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