From: Takashi Iwai <tiwai@suse.de>
To: Trent Piepho <tpiepho@gmail.com>
Cc: alsa-devel@alsa-project.org, Rob Krakora <B42341@freescale.com>
Subject: Re: Races in alsa-lib with threads
Date: Tue, 13 Nov 2012 08:30:57 +0100 [thread overview]
Message-ID: <s5hmwymvu1a.wl%tiwai@suse.de> (raw)
In-Reply-To: <CA+7tXijc833Bvi-E-L2itnRGF0CNBEY-sahgRhzD_uuws+TQwA@mail.gmail.com>
At Tue, 13 Nov 2012 02:14:08 -0500,
Trent Piepho wrote:
>
> On Tue, Nov 13, 2012 at 1:32 AM, Takashi Iwai <tiwai@suse.de> wrote:
> > At Mon, 12 Nov 2012 19:40:42 +0000 (UTC),
> > Rob Krakora wrote:
> >> Would you be able to point me the the ALSA documentation that indicates the
> >> stipulations on handle usage using multiple threads? I cannot find it.
> >
> > Think other way round:
> > The fact that it isn't documented means it's not safe to use in that
> > way :)
>
>
> The introduction on the alsa-project home page says, "SMP and
> thread-safe design. " Some people might misunderstand what
> thread-safe means. Maybe some clarification could be added.
> "Different streams are SMP and thread-safe (calls for the same stream
> must be serialized)."
Yeah this should be corrected. SMP things are just about the kernel
side at that time.
It's a Wiki, feel free to correct / improve the text.
Takashi
next prev parent reply other threads:[~2012-11-13 7:31 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-10 2:03 Races in alsa-lib with threads Trent Piepho
2012-11-10 13:53 ` Takashi Iwai
2012-11-11 16:35 ` Jaroslav Kysela
2012-11-12 19:40 ` Rob Krakora
2012-11-13 6:32 ` Takashi Iwai
2012-11-13 7:14 ` Trent Piepho
2012-11-13 7:30 ` Takashi Iwai [this message]
[not found] ` <5175C6FEA820754B902FF6873E9285B00C985240@039-SN2MPN1-021.039d.mgd.msft.net>
2012-11-13 13:47 ` Krakora Robert-B42341
2012-11-13 13:50 ` Takashi Iwai
2012-11-13 14:04 ` Krakora Robert-B42341
2012-11-13 14:18 ` Takashi Iwai
2012-11-13 14:08 ` Jaroslav Kysela
2012-11-13 14:15 ` Krakora Robert-B42341
2012-11-13 14:19 ` Takashi Iwai
2012-11-13 14:26 ` Krakora Robert-B42341
2012-11-13 19:41 ` Trent Piepho
2012-11-13 20:23 ` Clemens Ladisch
2012-11-13 20:36 ` Trent Piepho
2012-11-13 20:29 ` Takashi Iwai
2012-11-13 20:55 ` Krakora Robert-B42341
2012-11-13 21:11 ` Krakora Robert-B42341
2012-11-13 20:52 ` Krakora Robert-B42341
2012-11-14 8:02 ` David Henningsson
2012-11-14 12:55 ` Krakora Robert-B42341
2012-11-14 19:49 ` Trent Piepho
2012-11-14 20:03 ` Rémi Denis-Courmont
2012-11-14 20:06 ` Krakora Robert-B42341
2012-11-14 20:54 ` Trent Piepho
2012-11-14 21:19 ` Rémi Denis-Courmont
2012-11-15 1:52 ` Krakora Robert-B42341
2012-11-15 7:39 ` Takashi Iwai
2012-11-15 13:05 ` Krakora Robert-B42341
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