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From: Richard Weinberger <richard.weinberger@gmail.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Xenomai <xenomai@xenomai.org>,
	David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Subject: Re: [PATCH v2 0/3] Add callback-like mechanism before/after ptrace stops
Date: Tue, 20 Jul 2021 13:17:20 +0200	[thread overview]
Message-ID: <CAFLxGvwxCyhxVAFP6nRBgi5riFVTxHWPZ7H0gisL=6trWeMhuA@mail.gmail.com> (raw)
In-Reply-To: <7daf0026-aab0-0d32-b52f-3f5ce993a7ac@siemens.com>

On Tue, Jul 20, 2021 at 12:53 PM Jan Kiszka <jan.kiszka@siemens.com> wrote:
> > I've heard that with dovetail Xenomai no longer sees exceptions.
> > So this is a set in stone concept?
>
> Xenomai can no longer declare exceptions resolved. It still sees them.

Understood.

> If we come up with a reasonable use case, I can't imagine that this is
> set in stone.

I can understand that dovetail doesn't want to offer something super generic
as ipipe_trap_hook().
But maybe it can offer enough to implement signal delivery for exceptions?

The signal approach also allows us to use the very same signal
handlers in userspace
for realtime as provided by Xenomai and PREEMPT_RT.

-- 
Thanks,
//richard


  reply	other threads:[~2021-07-20 11:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-08 20:47 [PATCH v2 0/3] Add callback-like mechanism before/after ptrace stops Jan Kiszka
2021-07-08 20:47 ` [PATCH v2 1/3] cobalt/kernel: Introduce XNDBGCTRL to block SIGINT/SIGSTOP Jan Kiszka
2021-07-08 20:47 ` [PATCH v2 2/3] cobalt: Add ptrace debugging helper interface Jan Kiszka
2021-07-08 20:47 ` [PATCH v2 3/3] testsuite/smokey/gdb: Add test cases for ptrace-based debugging helper Jan Kiszka
2021-07-12  9:45 ` [PATCH v2 0/3] Add callback-like mechanism before/after ptrace stops Jan Kiszka
2021-07-19 10:08 ` Richard Weinberger
2021-07-19 14:42   ` Jan Kiszka
2021-07-20  7:57     ` Richard Weinberger
2021-07-20  9:27       ` Jan Kiszka
2021-07-20  9:33         ` Richard Weinberger
2021-07-20 10:53           ` Jan Kiszka
2021-07-20 11:17             ` Richard Weinberger [this message]
2021-07-20 13:56               ` Philippe Gerum
2021-07-20 14:08                 ` Philippe Gerum
2021-07-20 19:22                 ` Richard Weinberger

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