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The Advanced Linux Sound Architecture (ALSA) - library
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Takashi Iwai 24e63b7527 pcm: direct: Fix deadlock in poll_descriptors 
The recent change in PCM direct plugins to check XRUN in
poll_descriptors callback caused a regression; as consequence, the
whole playback hangs up.

The culprit is a mutex dead lock by the call in snd_pcm_state() inside
the new snd_pcm_direct_poll_descriptors().  The poll_descriptors code
path is protected with pcm mutex, thus an unlocked version
(__snd_pcm_state()) has to be used inside the callback instead.

Fixes: 789ee39727 ("pcm: direct: check state before enter poll on timer")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-01-16 16:21:52 +01:00
alsalisp autotools: update style 2014-02-26 08:16:22 +01:00
aserver coverity fixes 2016-01-12 16:26:58 +01:00
doc doxygen: Suppress timestamp 2016-06-23 16:29:07 +02:00
include pcm: fix get_stop_threshold alsa-lib 0.9 alias 2016-12-15 22:47:02 +01:00
m4 Add the attributes.m4 macro file from xine/lscube. 2008-11-21 13:04:19 +01:00
modules mixer: Don't install smixer modules unless python is enabled 2016-11-14 11:46:05 +01:00
src pcm: direct: Fix deadlock in poll_descriptors 2017-01-16 16:21:52 +01:00
test test: use actual information for TLV operation 2016-09-30 17:12:38 +02:00
utils autotools: update style 2014-02-26 08:16:22 +01:00
.gitignore Add pcm-multi-thread to .gitignore 2016-07-07 16:30:54 +02:00
acinclude.m4 fixed for the recent autoconf. 2004-01-26 15:52:17 +00:00
ChangeLog * update to libtool 1.3.3 1999-07-22 12:18:42 +00:00
configure.ac conf/ucm: broxton: add broxton-rt298 conf files 2017-01-12 11:21:33 +01:00
COPYING Updated GNU GPL license (address). 2001-12-30 09:22:54 +00:00
gitcompile Introduce --with-pkgconfdir, add 64-bit defaults to gitcompile 2012-01-20 16:14:44 +01:00
INSTALL pcm: Add thread-safety to PCM API 2016-07-11 15:25:30 +02:00
Makefile.am autotools: update style 2014-02-26 08:16:22 +01:00
MEMORY-LEAK Initial version 2003-02-04 14:56:07 +00:00
NOTES Change assert condition in error message handler 2007-10-24 12:53:08 +02:00
TODO Added snd_config_load_override(). 2002-01-09 21:28:15 +00:00