tests/test_atomic.c

   1 #include <stdio.h>
   2 #include <arch_atomic.h>
   3 #include <assert.h>
   4
   5 struct testvals {
   6         unsigned char c;
   7         unsigned short s;
   8         unsigned int i;
   9         unsigned long l;
  10 };
  11
  12 static struct testvals vals;
  13
  14 int main(int argc, void **argv)
  15 {
  16         atomic_add(&vals.c, 10);
  17         assert(vals.c == 10);
  18         atomic_add(&vals.c, -11);
  19         assert((char)vals.c == -1);
  20 }