From: Clemens Ladisch <clemens@ladisch.de>
To: Trent Piepho <tpiepho@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Krakora Robert-B42341 <B42341@freescale.com>
Subject: Re: Races in alsa-lib with threads
Date: Tue, 13 Nov 2012 21:23:36 +0100 [thread overview]
Message-ID: <50A2AC48.7080206@ladisch.de> (raw)
In-Reply-To: <CA+7tXii5Lecb3GW4GPgMg6UWYe1jmpEWi_FHM24_nEB5Q7YT0w@mail.gmail.com>
Trent Piepho wrote:
> Consider snd_pcm_writei(), most of the time is usually spent blocked
> waiting for a period to elapse. It is perfectly ok to call
> snd_pcm_delay() during this time. But if one isn't allowed to make
> any other pcm calls during snd_pcm_writei() then this can't be done.
Then use non-blocking mode. Blocking mode is suitable only for
applications that do not want to access the device while waiting.
Regards,
Clemens
next prev parent reply other threads:[~2012-11-13 20:23 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
[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 [this message]
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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