Libav
atomic.h
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1 /*
2  * Copyright (c) 2012 Ronald S. Bultje <rsbultje@gmail.com>
3  *
4  * This file is part of Libav.
5  *
6  * Libav is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * Libav is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with Libav; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVUTIL_ATOMIC_H
22 #define AVUTIL_ATOMIC_H
23 
24 #include "config.h"
25 
26 #if HAVE_ATOMICS_NATIVE
27 
28 #if HAVE_ATOMICS_GCC
29 #include "atomic_gcc.h"
30 #elif HAVE_ATOMICS_WIN32
31 #include "atomic_win32.h"
32 #elif HAVE_ATOMICS_SUNCC
33 #include "atomic_suncc.h"
34 #endif
35 
36 #else
37 
45 int avpriv_atomic_int_get(volatile int *ptr);
46 
54 void avpriv_atomic_int_set(volatile int *ptr, int val);
55 
65 int avpriv_atomic_int_add_and_fetch(volatile int *ptr, int inc);
66 
75 void *avpriv_atomic_ptr_cas(void * volatile *ptr, void *oldval, void *newval);
76 
77 #endif /* HAVE_ATOMICS_NATIVE */
78 
79 #endif /* AVUTIL_ATOMIC_H */