aboutsummaryrefslogtreecommitdiffhomepage
path: root/compat/atomics.h
blob: e27825de8f2b4f83a5d14d72f4121ae3ec8da40a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/*
 * This file is part of mpv.
 * Copyright (c) 2013 Stefano Pigozzi <stefano.pigozzi@gmail.com>
 *
 * mpv 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.
 *
 * mpv 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 mpv.  If not, see <http://www.gnu.org/licenses/>.
 */

// At this point both gcc and clang had __sync_synchronize support for some
// time. We only support a full memory barrier.

#define mp_memory_barrier()           __sync_synchronize()
#define mp_atomic_add_and_fetch(a, b) __sync_add_and_fetch(a, b)