From: Paul Davis <paul@linuxaudiosystems.com>
To: Jaroslav Kysela <perex@suse.cz>
Cc: James Courtier-Dutton <James@superbug.demon.co.uk>,
alsa-devel <alsa-devel@lists.sourceforge.net>
Subject: Re: problems using select() on alsa pcm.
Date: Thu, 25 Mar 2004 09:44:53 -0500 [thread overview]
Message-ID: <200403251444.i2PEisl8003668@dhin.linuxaudiosystems.com> (raw)
In-Reply-To: Your message of "Thu, 25 Mar 2004 10:38:18 +0100." <Pine.LNX.4.58.0403251037200.1807@pnote.perex-int.cz>
>> select is generally deprecated in linux (linus says so!). but you can
>> use the same pfds in select as in poll (select is implemented in the
>> kernel using the poll code). the problem is interpreting the results
>> you get back (as noted recently for the dmix plugin).
>
>Nope, the application must give results back to pfd array and call
>snd_pcm_poll_descriptors_revents() function. In this way, everything
>will work as expected.
i thought that the flags set by select(2) were different than those
set by poll(2) ??
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next prev parent reply other threads:[~2004-03-25 14:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-25 3:39 problems using select() on alsa pcm James Courtier-Dutton
2004-03-25 4:08 ` Paul Davis
2004-03-25 9:38 ` Jaroslav Kysela
2004-03-25 14:44 ` Paul Davis [this message]
2004-03-25 15:05 ` Jaroslav Kysela
2004-03-25 15:13 ` James Courtier-Dutton
2004-03-25 15:38 ` Jaroslav Kysela
2004-03-25 10:25 ` Martijn Sipkema
2004-03-25 13:19 ` Paul Davis
2004-03-25 14:00 ` Takashi Iwai
2004-03-25 14:35 ` Martijn Sipkema
2004-03-25 21:44 ` Glenn Maynard
2004-03-25 9:36 ` Jaroslav Kysela
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