MuseScore/src/engraving/libmscore/fifo.cpp
2021-06-01 14:46:22 +02:00

58 lines
1.5 KiB
C++

/*
* SPDX-License-Identifier: GPL-3.0-only
* MuseScore-CLA-applies
*
* MuseScore
* Music Composition & Notation
*
* Copyright (C) 2021 MuseScore BVBA and others
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#include "fifo.h"
namespace Ms {
//---------------------------------------------------------
// clear
//---------------------------------------------------------
void FifoBase::clear()
{
ridx = 0;
widx = 0;
counter = 0;
}
//---------------------------------------------------------
// push
//---------------------------------------------------------
void FifoBase::push()
{
widx = (widx + 1) % maxCount;
// q_atomic_increment(&counter);
++counter;
}
//---------------------------------------------------------
// pop
//---------------------------------------------------------
void FifoBase::pop()
{
ridx = (ridx + 1) % maxCount;
// q_atomic_decrement(&counter);
--counter;
}
}