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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_ALSA_NON_BLOCK_HXX
#define MPD_ALSA_NON_BLOCK_HXX
#include "check.h"
#include "util/ReusableArray.hxx"
#include <alsa/asoundlib.h>
#include <chrono>
class MultiSocketMonitor;
/**
* Update #MultiSocketMonitor's socket list from
* snd_pcm_poll_descriptors(). To be called from
* MultiSocketMonitor::PrepareSockets().
*
* Throws exception on error.
*/
std::chrono::steady_clock::duration
PrepareAlsaPcmSockets(MultiSocketMonitor &m, snd_pcm_t *pcm,
ReusableArray<pollfd> &pfd_buffer);
/**
* Update #MultiSocketMonitor's socket list from
* snd_mixer_poll_descriptors(). To be called from
* MultiSocketMonitor::PrepareSockets().
*/
std::chrono::steady_clock::duration
PrepareAlsaMixerSockets(MultiSocketMonitor &m, snd_mixer_t *mixer,
ReusableArray<pollfd> &pfd_buffer) noexcept;
#endif