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From: Petr Vorel <pvorel@suse.cz>
To: Cyril Hrubis <chrubis@suse.cz>
Cc: ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v2] openposix: timer_*/speculative: Handle SIGSEGV on invalid timer ID
Date: Tue, 29 Sep 2026 14:16:13 +0200	[thread overview]
Message-ID: <20260929121613.GA2462033@pevik> (raw)
In-Reply-To: <aruobnaT_g0U7CDo@yuki.lan>

Hi Cyril,

> Hi!
> > I'm not sure if the approach of creating bogus timer_t is a good idea anyway.
> > Shouldn't be just some timer_t tid set to invalid value? That would IMHO be
> > less awkward solution.

> There is no documented invalid value. It's a opaque handle we get from
> libc and different versions of libc interpret the value differently.
> Sometimes it's a pointer, sometimes it is not and we have no idea what
> it is until we try to pass it to the timer functions.

> So choosing safe enough safe value and handling SIGSEGV is probably the
> best we can do.

Thanks for correcting me, fair enough. I guess we don't bother with factoring
out function into include/.

Reviewed-by: Petr Vorel <pvorel@suse.cz>

Will you add your RBT/ABT?

Kind regards,
Petr

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp

  reply	other threads:[~2026-09-29 12:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-08 15:03 [LTP] [PATCH v2] openposix: timer_*/speculative: Handle SIGSEGV on invalid timer ID Avinesh Kumar via ltp
2026-08-08 15:31 ` [LTP] " linuxtestproject.agent
2026-09-29 11:49 ` [LTP] [PATCH v2] " Petr Vorel
2026-09-29 12:00   ` Cyril Hrubis
2026-09-29 12:16     ` Petr Vorel [this message]
2026-09-29 13:24     ` Petr Vorel

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