Commit | Line | Data |
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a81b8e5e MD |
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 | ||
87322fe8 MD |
14 | #define do_test(ptr) \ |
15 | do { \ | |
6edb297e | 16 | __typeof__(*(ptr)) v; \ |
87322fe8 MD |
17 | \ |
18 | atomic_add(ptr, 10); \ | |
0fad128b | 19 | assert(atomic_read(ptr) == 10); \ |
6edb297e | 20 | atomic_add(ptr, -11UL); \ |
0fad128b | 21 | assert(atomic_read(ptr) == (__typeof__(*(ptr)))-1UL); \ |
6edb297e | 22 | v = cmpxchg(ptr, -1UL, 22); \ |
0fad128b | 23 | assert(atomic_read(ptr) == 22); \ |
6edb297e | 24 | assert(v == (__typeof__(*(ptr)))-1UL); \ |
87322fe8 | 25 | v = cmpxchg(ptr, 33, 44); \ |
0fad128b | 26 | assert(atomic_read(ptr) == 22); \ |
87322fe8 MD |
27 | assert(v == 22); \ |
28 | v = xchg(ptr, 55); \ | |
0fad128b | 29 | assert(atomic_read(ptr) == 55); \ |
87322fe8 | 30 | assert(v == 22); \ |
0fad128b MD |
31 | atomic_set(ptr, 22); \ |
32 | atomic_inc(ptr); \ | |
33 | assert(atomic_read(ptr) == 23); \ | |
34 | atomic_dec(ptr); \ | |
35 | assert(atomic_read(ptr) == 22); \ | |
36 | v = atomic_add_return(ptr, 100); \ | |
37 | assert(v == 122); \ | |
38 | assert(atomic_read(ptr) == 122); \ | |
39 | v = atomic_sub_return(ptr, 1); \ | |
40 | assert(v == 121); \ | |
41 | assert(atomic_read(ptr) == 121); \ | |
87322fe8 MD |
42 | } while (0) |
43 | ||
44 | int main(int argc, char **argv) | |
a81b8e5e | 45 | { |
87322fe8 MD |
46 | do_test(&vals.c); |
47 | do_test(&vals.s); | |
48 | do_test(&vals.i); | |
49 | do_test(&vals.l); | |
50 | printf("Atomic ops test OK\n"); | |
51 | ||
52 | return 0; | |
a81b8e5e | 53 | } |