static struct testvals vals;
-int main(int argc, void **argv)
+#define do_test(ptr) \
+do { \
+ __typeof__(*(ptr)) v; \
+ \
+ atomic_add(ptr, 10); \
+ assert(atomic_read(ptr) == 10); \
+ atomic_add(ptr, -11UL); \
+ assert(atomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \
+ v = cmpxchg(ptr, -1UL, 22); \
+ assert(atomic_read(ptr) == 22); \
+ assert(v == (__typeof__(*(ptr)))-1UL); \
+ v = cmpxchg(ptr, 33, 44); \
+ assert(atomic_read(ptr) == 22); \
+ assert(v == 22); \
+ v = xchg(ptr, 55); \
+ assert(atomic_read(ptr) == 55); \
+ assert(v == 22); \
+ atomic_set(ptr, 22); \
+ atomic_inc(ptr); \
+ assert(atomic_read(ptr) == 23); \
+ atomic_dec(ptr); \
+ assert(atomic_read(ptr) == 22); \
+ v = atomic_add_return(ptr, 100); \
+ assert(v == 122); \
+ assert(atomic_read(ptr) == 122); \
+ v = atomic_sub_return(ptr, 1); \
+ assert(v == 121); \
+ assert(atomic_read(ptr) == 121); \
+} 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;
}