From: Clemens Ladisch <clemens@ladisch.de>
To: gsantosh@codeaurora.org
Cc: tiwai@suse.de, alsa-devel@alsa-project.org, lgirdwood@gmail.com
Subject: Re: Question on wait_for_avail function
Date: Wed, 05 Jun 2013 11:17:23 +0200 [thread overview]
Message-ID: <51AF0223.5020901@ladisch.de> (raw)
In-Reply-To: <1794d77072add642c43309c0a06bfadb.squirrel@www.codeaurora.org>
gsantosh@codeaurora.org wrote:
> 2) HAL issues pause in parallel to the write
This is illegal.
<http://www.alsa-project.org/main/index.php/SMP_Design> says:
| The use of returned handles [such as snd_pcm_t*] must be serialized in
| the application using own locking scheme.
If you want to issue a pause while waiting for data to be written, use
non-blocking writes.
Regards,
Clemens
next prev parent reply other threads:[~2013-06-05 9:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-05 8:28 Question on wait_for_avail function gsantosh
2013-06-05 9:17 ` Clemens Ladisch [this message]
2013-06-06 6:25 ` Patrick Lai
2013-06-06 6:53 ` Takashi Iwai
2013-06-06 18:29 ` gsantosh
2013-06-07 10:55 ` Takashi Iwai
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