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core: Support memfd transport; bump protocol version

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Now that all layers in the stack support memfd blocks, add memfd
support for the daemon's global core mempool. Also introduce
"enable-memfd=" daemon argument and configuration option.

For now, memfd support is an opt-in feature to be activated only
when daemon's enable-memfd= is set to yes.

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
This commit is contained in:
Ahmed S. Darwish 2016-04-15 23:07:36 +02:00 • committed by Arun Raghavan
parent b1d47d60fc
commit d2a6afcab3
13 changed files with 122 additions and 24 deletions
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7
man/pulse-daemon.conf.5.xml.in
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@ -189,11 +189,16 @@ License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
<option>
<p><opt>enable-shm=</opt> Enable data transfer via POSIX
shared memory. Takes a boolean argument, defaults to
or memfd shared memory. Takes a boolean argument, defaults to
<opt>yes</opt>. The <opt>--disable-shm</opt> command line
argument takes precedence.</p>
</option>
<option>
<p><opt>enable-memfd=</opt>. Enable memfd shared memory. Takes
a boolean argument, defaults to <opt>no</opt>.</p>
</option>
<option>
<p><opt>shm-size-bytes=</opt> Sets the shared memory segment
size for the daemon, in bytes. If left unspecified or is set to 0