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/*
* Copyright (C) 2003-2015 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.
*/
/*
* Support library for the "idle" command.
*
*/
#include "config.h"
#include "Idle.hxx"
#include "GlobalEvents.hxx"
#include "util/ASCII.hxx"
#include <atomic>
#include <assert.h>
static std::atomic_uint idle_flags;
static const char *const idle_names[] = {
"database",
"stored_playlist",
"playlist",
"player",
"mixer",
"output",
"options",
"sticker",
"update",
"subscription",
"message",
"neighbor",
"mount",
nullptr
};
void
idle_add(unsigned flags)
{
assert(flags != 0);
unsigned old_flags = idle_flags.fetch_or(flags);
if ((old_flags & flags) != flags)
GlobalEvents::Emit(GlobalEvents::IDLE);
}
unsigned
idle_get(void)
{
return idle_flags.exchange(0);
}
const char*const*
idle_get_names(void)
{
return idle_names;
}
unsigned
idle_parse_name(const char *name)
{
#if !CLANG_CHECK_VERSION(3,6)
/* disabled on clang due to -Wtautological-pointer-compare */
assert(name != nullptr);
#endif
for (unsigned i = 0; idle_names[i] != nullptr; ++i)
if (StringEqualsCaseASCII(name, idle_names[i]))
return 1 << i;
return 0;
}
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