| 1 | #include <stdio.h> |
| 2 | #include <assert.h> |
| 3 | #include <urcu/uatomic.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 | #define do_test(ptr) \ |
| 15 | do { \ |
| 16 | __typeof__(*(ptr)) v; \ |
| 17 | \ |
| 18 | uatomic_add(ptr, 10); \ |
| 19 | assert(uatomic_read(ptr) == 10); \ |
| 20 | uatomic_add(ptr, -11UL); \ |
| 21 | assert(uatomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \ |
| 22 | v = uatomic_cmpxchg(ptr, -1UL, 22); \ |
| 23 | assert(uatomic_read(ptr) == 22); \ |
| 24 | assert(v == (__typeof__(*(ptr)))-1UL); \ |
| 25 | v = uatomic_cmpxchg(ptr, 33, 44); \ |
| 26 | assert(uatomic_read(ptr) == 22); \ |
| 27 | assert(v == 22); \ |
| 28 | v = uatomic_xchg(ptr, 55); \ |
| 29 | assert(uatomic_read(ptr) == 55); \ |
| 30 | assert(v == 22); \ |
| 31 | uatomic_set(ptr, 22); \ |
| 32 | uatomic_inc(ptr); \ |
| 33 | assert(uatomic_read(ptr) == 23); \ |
| 34 | uatomic_dec(ptr); \ |
| 35 | assert(uatomic_read(ptr) == 22); \ |
| 36 | v = uatomic_add_return(ptr, 74); \ |
| 37 | assert(v == 96); \ |
| 38 | assert(uatomic_read(ptr) == 96); \ |
| 39 | uatomic_or(ptr, 58); \ |
| 40 | assert(uatomic_read(ptr) == 122); \ |
| 41 | v = uatomic_sub_return(ptr, 1); \ |
| 42 | assert(v == 121); \ |
| 43 | assert(uatomic_read(ptr) == 121); \ |
| 44 | uatomic_and(ptr, 129); \ |
| 45 | assert(uatomic_read(ptr) == 1); \ |
| 46 | } while (0) |
| 47 | |
| 48 | int main(int argc, char **argv) |
| 49 | { |
| 50 | #ifdef UATOMIC_HAS_ATOMIC_BYTE |
| 51 | do_test(&vals.c); |
| 52 | #endif |
| 53 | #ifdef UATOMIC_HAS_ATOMIC_SHORT |
| 54 | do_test(&vals.s); |
| 55 | #endif |
| 56 | do_test(&vals.i); |
| 57 | do_test(&vals.l); |
| 58 | printf("Atomic ops test OK\n"); |
| 59 | |
| 60 | return 0; |
| 61 | } |