static struct testvals vals;
-int main(int argc, void **argv)
+#define do_test(ptr) \
+do { \
+ __typeof__(*ptr) v; \
+ \
+ atomic_add(ptr, 10); \
+ assert(*ptr == 10); \
+ atomic_add(ptr, -11); \
+ assert(*ptr == (__typeof__(*ptr))-1U); \
+ v = cmpxchg(ptr, -1, 22); \
+ assert(*ptr == 22); \
+ assert(v == (__typeof__(*ptr))-1U); \
+ v = cmpxchg(ptr, 33, 44); \
+ assert(*ptr == 22); \
+ assert(v == 22); \
+ v = xchg(ptr, 55); \
+ assert(*ptr == 55); \
+ assert(v == 22); \
+} while (0)
+
+int main(int argc, char **argv)
{
- atomic_add(&vals.c, 10);
- assert(vals.c == 10);
- atomic_add(&vals.c, -11);
- assert((char)vals.c == -1);
+ do_test(&vals.c);
+ do_test(&vals.s);
+ do_test(&vals.i);
+ do_test(&vals.l);
+ printf("Atomic ops test OK\n");
+
+ return 0;
}