1 /* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 /* 20 * based on vlc_atomic.h from VLC 21 * Copyright (C) 2010 Rémi Denis-Courmont 22 */ 23 24 #include <pthread.h> 25 #include <stdint.h> 26 27 #include "stdatomic.h" 28 29 static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER; 30 avpriv_atomic_lock(void)31void avpriv_atomic_lock(void) 32 { 33 pthread_mutex_lock(&atomic_lock); 34 } 35 avpriv_atomic_unlock(void)36void avpriv_atomic_unlock(void) 37 { 38 pthread_mutex_unlock(&atomic_lock); 39 } 40