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atomic.c
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1 /*
2  * This file is part of FFmpeg.
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12  * Lesser General Public License for more details.
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18 
19 #include "libavutil/atomic.h"
20 #include "libavutil/avassert.h"
21 
22 int main(void)
23 {
24  volatile int val = 1;
25  int res;
26 
27  res = avpriv_atomic_int_add_and_fetch(&val, 1);
28  av_assert0(res == 2);
29  avpriv_atomic_int_set(&val, 3);
30  res = avpriv_atomic_int_get(&val);
31  av_assert0(res == 3);
32 
33  return 0;
34 }
const char const char void * val
Definition: avisynth_c.h:634
int main(void)
Definition: atomic.c:22
int avpriv_atomic_int_get(volatile int *ptr)
Load the current value stored in an atomic integer.
Definition: atomic.c:75
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
void avpriv_atomic_int_set(volatile int *ptr, int val)
Store a new value in an atomic integer.
Definition: atomic.c:80
simple assert() macros that are a bit more flexible than ISO C assert().
int avpriv_atomic_int_add_and_fetch(volatile int *ptr, int inc)
Add a value to an atomic integer.
Definition: atomic.c:85