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John Paul Adrian Glaubitz 1df21e6ab6 core-util: Use _SC_NPROCESSORS_ONLN instead of _SC_NPROCESSORS_CONF 
pa_ncpu() is supposed to report the number of processors available on
the system. For that, it currently calls sysconf(_SC_NPROCESSORS_CONF).
However, since the operating system can disable individual processors,
we should call sysconf(_SC_NPROCESSORS_ONLN) to determine the number
of processors currently available [1]. Consequently, the once-test will
fail since pthread_setaffinity_np() is called with CPUs that are
currently not available.

It might also be advisable to change the code in the future to use CPU
sets on Linux as even the suggested change is not 100% safe but at least
it improves over the existing code. If PulseAudio was to be run in a CPU
set [2], the number of processors available to PulseAudio could be even
less than the number of CPUs currently online (_SC_NPROCESSORS_CONF).

[1] https://www.gnu.org/software/libc/manual/html_node/Processor-Resources.html
[2] http://man7.org/linux/man-pages/man7/cpuset.7.html

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=96809
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
2016-08-15 17:23:36 +03:00
doc doc: Add an example stream-restore fallback table file. 2011-10-01 13:25:16 +01:00
doxygen update FSF addresses to FSF web page 2015-01-14 22:20:40 +02:00
m4 build-sys: Move to compiling with C11 support 2016-02-25 09:09:13 +05:30
man Disable LFE remixing by default 2016-05-24 19:34:44 +03:00
po i18n: Update Polish translation 2016-07-28 12:21:38 +05:30
scripts scripts: Plot memory benchmarks using gnuplot 2015-10-31 15:29:48 +02:00
shell-completion core: Support memfd transport; bump protocol version 2016-04-27 18:37:08 +05:30
src core-util: Use _SC_NPROCESSORS_ONLN instead of _SC_NPROCESSORS_CONF 2016-08-15 17:23:36 +03:00
vala vala: Added cnames to callback delegates in Vala VAPI 2016-01-22 13:25:29 +05:30
.gitignore gitignore: Add .orig and .rej to gitignore 2015-12-18 13:34:46 +01:00
.mailmap add a .mailmap file for git shortlog 2009-02-04 22:41:45 +01:00
.travis.yml travis: Run make install in travis. 2015-12-29 05:36:50 +05:30
autogen.sh update FSF addresses to FSF web page 2015-01-14 22:20:40 +02:00
bootstrap.sh build-sys: bootstrap.sh: Do a make only if configure has succeeded 2015-09-25 15:05:43 +03:00
configure.ac build: Check version of check library, require >= 0.9.10 2016-08-10 17:05:01 +03:00
git-version-gen git-version-gen: Avoid further processing when tarball-version is present 2015-10-20 16:55:23 +02:00
GPL * rename "LICENSE" to "LGPL" 2006-04-20 12:33:00 +00:00
LGPL * rename "LICENSE" to "LGPL" 2006-04-20 12:33:00 +00:00
libpulse-mainloop-glib.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
libpulse-simple.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
libpulse.pc.in build: Fix static linking 2012-07-17 11:05:34 +05:30
LICENSE lfe-filter: Import code from the Chrome OS audio server 2015-03-30 10:52:29 +02:00
Makefile.am scripts: Plot memory benchmarks using gnuplot 2015-10-31 15:29:48 +02:00
NEWS Update NEWS for 9.0 2016-06-22 12:22:04 +05:30
orc.mak build-sys: Move ORC_SOURCE definitions outside of "if HAVE_ORC" 2014-01-24 22:56:27 +02:00
PROTOCOL core: Support memfd transport; bump protocol version 2016-04-27 18:37:08 +05:30
pulseaudio-text.svg merge 'lennart' branch back into trunk. 2007-10-28 19:13:50 +00:00
pulseaudio.supp Add a Valgrind suppression file 2014-09-21 11:00:51 +03:00
pulseaudio.svg Add PulseAudio logo to tree. 2006-08-28 06:25:41 +00:00
PulseAudioConfig.cmake.in build-sys: Provide a simple CMake Config setup (similar to pkgconfig) 2011-10-19 23:49:23 +01:00
PulseAudioConfigVersion.cmake.in build-sys: Provide a simple CMake Config setup (similar to pkgconfig) 2011-10-19 23:49:23 +01:00
README Remove link to CIA from README 2014-10-28 17:36:21 +01:00
todo Update todo 2011-06-24 00:35:26 +01:00

README 

PULSEAUDIO SOUND SERVER

WEB SITE:
	http://pulseaudio.org/

GIT:
	git://anongit.freedesktop.org/pulseaudio/pulseaudio

GITWEB/CGIT:
	http://cgit.freedesktop.org/pulseaudio/pulseaudio/

MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss

GIT COMMITS MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-commits

TRAC/BUGZILLA TICKET CHANGES MAILING LIST:
	http://lists.freedesktop.org/mailman/listinfo/pulseaudio-bugs

IRC:
	#pulseaudio on irc.freenode.org

FRESHMEAT:
	http://freshmeat.net/projects/pulseaudio/

OHLOH:
	http://www.ohloh.net/projects/4038

AUTHORS:
	Several

HACKING:
	In order to run pulseaudio from the build dir __OPTIMIZE__ should be
	disabled (look at src/pulsecore/core-util.h::pa_run_from_build_tree()),
	this can be done by passing "CFLAGS=-O0" to the configure script:
	  ./autogen.sh
	  CFLAGS="-ggdb3 -O0" LDFLAGS="-ggdb3" ./configure
	  make
	  ./src/pulseaudio -n -F src/default.pa -p $(pwd)/src/

SPELLING:
        PulseAudio