Re: [man-pages PATCH 2/5] s390_runtime_instr.2: document the removal of the second argument

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On Wed, Jan 31, 2018 at 7:20 AM, Heiko Carstens
<heiko.carstens@xxxxxxxxxx> wrote:
> @@ -85,6 +91,12 @@ The run-time instrumentation facility is available beginning with System z EC12.
>  Glibc does not provide a wrapper for this system call, use
>  .BR syscall (2)
>  to call it.
> +.PP
> +Support for signalling was removed with Linux 4.4. With Linux 4.4
> +also the check if
> +.IR signum
> +is a valid real-time signal was removed. For backwards compatibility with old
> +kernels it is recommended to pass a valid real-time signal number.
I would recommend passing 0 instead, as passing non-zero signal number
implies that the userspace process expects to receive this signal in
the future in case of aforementioned events, and this will not happen
on Linux 4.4 onwards.

--
Eugene Syromyatnikov
mailto:evgsyr@xxxxxxxxx
xmpp:esyr@jabber.{ru|org}
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