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d15851ec | 1 | /* Tests for atomic.h macros. |
04277e02 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
d15851ec RM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
d15851ec RM |
19 | |
20 | #include <stdio.h> | |
21 | #include <atomic.h> | |
22 | ||
23 | #ifndef atomic_t | |
24 | # define atomic_t int | |
25 | #endif | |
26 | ||
27 | /* Test various atomic.h macros. */ | |
28 | static int | |
29 | do_test (void) | |
30 | { | |
1eccfecd | 31 | atomic_t mem, expected; |
d15851ec RM |
32 | int ret = 0; |
33 | ||
34 | #ifdef atomic_compare_and_exchange_val_acq | |
35 | mem = 24; | |
36 | if (atomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24 | |
37 | || mem != 35) | |
38 | { | |
39 | puts ("atomic_compare_and_exchange_val_acq test 1 failed"); | |
40 | ret = 1; | |
41 | } | |
42 | ||
43 | mem = 12; | |
44 | if (atomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12 | |
45 | || mem != 12) | |
46 | { | |
47 | puts ("atomic_compare_and_exchange_val_acq test 2 failed"); | |
48 | ret = 1; | |
49 | } | |
859e708f RM |
50 | |
51 | mem = -15; | |
52 | if (atomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15 | |
53 | || mem != -56) | |
54 | { | |
55 | puts ("atomic_compare_and_exchange_val_acq test 3 failed"); | |
56 | ret = 1; | |
57 | } | |
58 | ||
59 | mem = -1; | |
60 | if (atomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1 | |
61 | || mem != -1) | |
62 | { | |
63 | puts ("atomic_compare_and_exchange_val_acq test 4 failed"); | |
64 | ret = 1; | |
65 | } | |
d15851ec RM |
66 | #endif |
67 | ||
68 | mem = 24; | |
69 | if (atomic_compare_and_exchange_bool_acq (&mem, 35, 24) | |
70 | || mem != 35) | |
71 | { | |
72 | puts ("atomic_compare_and_exchange_bool_acq test 1 failed"); | |
73 | ret = 1; | |
74 | } | |
75 | ||
76 | mem = 12; | |
77 | if (! atomic_compare_and_exchange_bool_acq (&mem, 10, 15) | |
78 | || mem != 12) | |
79 | { | |
80 | puts ("atomic_compare_and_exchange_bool_acq test 2 failed"); | |
81 | ret = 1; | |
82 | } | |
83 | ||
859e708f RM |
84 | mem = -15; |
85 | if (atomic_compare_and_exchange_bool_acq (&mem, -56, -15) | |
86 | || mem != -56) | |
87 | { | |
88 | puts ("atomic_compare_and_exchange_bool_acq test 3 failed"); | |
89 | ret = 1; | |
90 | } | |
91 | ||
92 | mem = -1; | |
93 | if (! atomic_compare_and_exchange_bool_acq (&mem, 17, 0) | |
94 | || mem != -1) | |
95 | { | |
96 | puts ("atomic_compare_and_exchange_bool_acq test 4 failed"); | |
97 | ret = 1; | |
98 | } | |
99 | ||
d15851ec | 100 | mem = 64; |
949ec764 | 101 | if (atomic_exchange_acq (&mem, 31) != 64 |
d15851ec RM |
102 | || mem != 31) |
103 | { | |
949ec764 | 104 | puts ("atomic_exchange_acq test failed"); |
d15851ec RM |
105 | ret = 1; |
106 | } | |
107 | ||
108 | mem = 2; | |
109 | if (atomic_exchange_and_add (&mem, 11) != 2 | |
110 | || mem != 13) | |
111 | { | |
112 | puts ("atomic_exchange_and_add test failed"); | |
113 | ret = 1; | |
114 | } | |
115 | ||
704f7947 AZ |
116 | mem = 2; |
117 | if (atomic_exchange_and_add_acq (&mem, 11) != 2 | |
118 | || mem != 13) | |
119 | { | |
120 | puts ("atomic_exchange_and_add test failed"); | |
121 | ret = 1; | |
122 | } | |
123 | ||
124 | mem = 2; | |
125 | if (atomic_exchange_and_add_rel (&mem, 11) != 2 | |
126 | || mem != 13) | |
127 | { | |
128 | puts ("atomic_exchange_and_add test failed"); | |
129 | ret = 1; | |
130 | } | |
131 | ||
d15851ec RM |
132 | mem = -21; |
133 | atomic_add (&mem, 22); | |
134 | if (mem != 1) | |
135 | { | |
136 | puts ("atomic_add test failed"); | |
137 | ret = 1; | |
138 | } | |
139 | ||
140 | mem = -1; | |
141 | atomic_increment (&mem); | |
142 | if (mem != 0) | |
143 | { | |
144 | puts ("atomic_increment test failed"); | |
145 | ret = 1; | |
146 | } | |
147 | ||
c207f23b UD |
148 | mem = 2; |
149 | if (atomic_increment_val (&mem) != 3) | |
7ba0e52c UD |
150 | { |
151 | puts ("atomic_increment_val test failed"); | |
152 | ret = 1; | |
153 | } | |
154 | ||
d15851ec | 155 | mem = 0; |
fe4610b3 | 156 | if (atomic_increment_and_test (&mem) |
d15851ec RM |
157 | || mem != 1) |
158 | { | |
159 | puts ("atomic_increment_and_test test 1 failed"); | |
160 | ret = 1; | |
161 | } | |
162 | ||
163 | mem = 35; | |
164 | if (atomic_increment_and_test (&mem) | |
165 | || mem != 36) | |
166 | { | |
167 | puts ("atomic_increment_and_test test 2 failed"); | |
168 | ret = 1; | |
169 | } | |
170 | ||
fe4610b3 RM |
171 | mem = -1; |
172 | if (! atomic_increment_and_test (&mem) | |
173 | || mem != 0) | |
174 | { | |
175 | puts ("atomic_increment_and_test test 3 failed"); | |
176 | ret = 1; | |
177 | } | |
178 | ||
d15851ec RM |
179 | mem = 17; |
180 | atomic_decrement (&mem); | |
181 | if (mem != 16) | |
182 | { | |
183 | puts ("atomic_decrement test failed"); | |
184 | ret = 1; | |
185 | } | |
186 | ||
7ba0e52c UD |
187 | if (atomic_decrement_val (&mem) != 15) |
188 | { | |
189 | puts ("atomic_decrement_val test failed"); | |
190 | ret = 1; | |
191 | } | |
192 | ||
d15851ec | 193 | mem = 0; |
fe4610b3 | 194 | if (atomic_decrement_and_test (&mem) |
d15851ec RM |
195 | || mem != -1) |
196 | { | |
197 | puts ("atomic_decrement_and_test test 1 failed"); | |
198 | ret = 1; | |
199 | } | |
200 | ||
201 | mem = 15; | |
202 | if (atomic_decrement_and_test (&mem) | |
203 | || mem != 14) | |
204 | { | |
205 | puts ("atomic_decrement_and_test test 2 failed"); | |
206 | ret = 1; | |
207 | } | |
208 | ||
fe4610b3 RM |
209 | mem = 1; |
210 | if (! atomic_decrement_and_test (&mem) | |
211 | || mem != 0) | |
212 | { | |
859e708f | 213 | puts ("atomic_decrement_and_test test 3 failed"); |
fe4610b3 RM |
214 | ret = 1; |
215 | } | |
216 | ||
d15851ec RM |
217 | mem = 1; |
218 | if (atomic_decrement_if_positive (&mem) != 1 | |
219 | || mem != 0) | |
220 | { | |
221 | puts ("atomic_decrement_if_positive test 1 failed"); | |
222 | ret = 1; | |
223 | } | |
224 | ||
225 | mem = 0; | |
226 | if (atomic_decrement_if_positive (&mem) != 0 | |
227 | || mem != 0) | |
228 | { | |
229 | puts ("atomic_decrement_if_positive test 2 failed"); | |
230 | ret = 1; | |
231 | } | |
232 | ||
233 | mem = -1; | |
234 | if (atomic_decrement_if_positive (&mem) != -1 | |
235 | || mem != -1) | |
236 | { | |
237 | puts ("atomic_decrement_if_positive test 3 failed"); | |
238 | ret = 1; | |
239 | } | |
240 | ||
09402f5b UD |
241 | mem = -12; |
242 | if (! atomic_add_negative (&mem, 10) | |
243 | || mem != -2) | |
d15851ec RM |
244 | { |
245 | puts ("atomic_add_negative test 1 failed"); | |
246 | ret = 1; | |
247 | } | |
248 | ||
249 | mem = 0; | |
250 | if (atomic_add_negative (&mem, 100) | |
251 | || mem != 100) | |
252 | { | |
253 | puts ("atomic_add_negative test 2 failed"); | |
254 | ret = 1; | |
255 | } | |
256 | ||
257 | mem = 15; | |
258 | if (atomic_add_negative (&mem, -10) | |
259 | || mem != 5) | |
260 | { | |
261 | puts ("atomic_add_negative test 3 failed"); | |
262 | ret = 1; | |
263 | } | |
264 | ||
859e708f RM |
265 | mem = -12; |
266 | if (atomic_add_negative (&mem, 14) | |
267 | || mem != 2) | |
268 | { | |
269 | puts ("atomic_add_negative test 4 failed"); | |
270 | ret = 1; | |
271 | } | |
272 | ||
273 | mem = 0; | |
274 | if (! atomic_add_negative (&mem, -1) | |
275 | || mem != -1) | |
276 | { | |
277 | puts ("atomic_add_negative test 5 failed"); | |
278 | ret = 1; | |
279 | } | |
280 | ||
281 | mem = -31; | |
282 | if (atomic_add_negative (&mem, 31) | |
283 | || mem != 0) | |
284 | { | |
285 | puts ("atomic_add_negative test 6 failed"); | |
286 | ret = 1; | |
287 | } | |
288 | ||
d15851ec RM |
289 | mem = -34; |
290 | if (atomic_add_zero (&mem, 31) | |
291 | || mem != -3) | |
292 | { | |
293 | puts ("atomic_add_zero test 1 failed"); | |
294 | ret = 1; | |
295 | } | |
296 | ||
09402f5b | 297 | mem = -36; |
d15851ec | 298 | if (! atomic_add_zero (&mem, 36) |
09402f5b | 299 | || mem != 0) |
d15851ec RM |
300 | { |
301 | puts ("atomic_add_zero test 2 failed"); | |
302 | ret = 1; | |
303 | } | |
304 | ||
305 | mem = 113; | |
306 | if (atomic_add_zero (&mem, -13) | |
307 | || mem != 100) | |
308 | { | |
309 | puts ("atomic_add_zero test 3 failed"); | |
310 | ret = 1; | |
311 | } | |
312 | ||
859e708f RM |
313 | mem = -18; |
314 | if (atomic_add_zero (&mem, 20) | |
315 | || mem != 2) | |
316 | { | |
317 | puts ("atomic_add_zero test 4 failed"); | |
318 | ret = 1; | |
319 | } | |
320 | ||
321 | mem = 10; | |
322 | if (atomic_add_zero (&mem, -20) | |
323 | || mem != -10) | |
324 | { | |
325 | puts ("atomic_add_zero test 5 failed"); | |
326 | ret = 1; | |
327 | } | |
328 | ||
329 | mem = 10; | |
330 | if (! atomic_add_zero (&mem, -10) | |
331 | || mem != 0) | |
332 | { | |
333 | puts ("atomic_add_zero test 6 failed"); | |
334 | ret = 1; | |
335 | } | |
336 | ||
d15851ec RM |
337 | mem = 0; |
338 | atomic_bit_set (&mem, 1); | |
339 | if (mem != 2) | |
340 | { | |
341 | puts ("atomic_bit_set test 1 failed"); | |
342 | ret = 1; | |
343 | } | |
344 | ||
345 | mem = 8; | |
346 | atomic_bit_set (&mem, 3); | |
347 | if (mem != 8) | |
348 | { | |
349 | puts ("atomic_bit_set test 2 failed"); | |
350 | ret = 1; | |
351 | } | |
352 | ||
353 | #ifdef TEST_ATOMIC64 | |
354 | mem = 16; | |
355 | atomic_bit_set (&mem, 35); | |
356 | if (mem != 0x800000010LL) | |
357 | { | |
358 | puts ("atomic_bit_set test 3 failed"); | |
359 | ret = 1; | |
360 | } | |
361 | #endif | |
362 | ||
363 | mem = 0; | |
364 | if (atomic_bit_test_set (&mem, 1) | |
365 | || mem != 2) | |
366 | { | |
367 | puts ("atomic_bit_test_set test 1 failed"); | |
368 | ret = 1; | |
369 | } | |
370 | ||
371 | mem = 8; | |
372 | if (! atomic_bit_test_set (&mem, 3) | |
373 | || mem != 8) | |
374 | { | |
375 | puts ("atomic_bit_test_set test 2 failed"); | |
376 | ret = 1; | |
377 | } | |
378 | ||
379 | #ifdef TEST_ATOMIC64 | |
380 | mem = 16; | |
381 | if (atomic_bit_test_set (&mem, 35) | |
382 | || mem != 0x800000010LL) | |
383 | { | |
384 | puts ("atomic_bit_test_set test 3 failed"); | |
385 | ret = 1; | |
386 | } | |
387 | ||
388 | mem = 0x100000000LL; | |
389 | if (! atomic_bit_test_set (&mem, 32) | |
390 | || mem != 0x100000000LL) | |
391 | { | |
392 | puts ("atomic_bit_test_set test 4 failed"); | |
393 | ret = 1; | |
394 | } | |
395 | #endif | |
396 | ||
11bf311e UD |
397 | #ifdef catomic_compare_and_exchange_val_acq |
398 | mem = 24; | |
399 | if (catomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24 | |
400 | || mem != 35) | |
401 | { | |
402 | puts ("catomic_compare_and_exchange_val_acq test 1 failed"); | |
403 | ret = 1; | |
404 | } | |
405 | ||
406 | mem = 12; | |
407 | if (catomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12 | |
408 | || mem != 12) | |
409 | { | |
410 | puts ("catomic_compare_and_exchange_val_acq test 2 failed"); | |
411 | ret = 1; | |
412 | } | |
413 | ||
414 | mem = -15; | |
415 | if (catomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15 | |
416 | || mem != -56) | |
417 | { | |
418 | puts ("catomic_compare_and_exchange_val_acq test 3 failed"); | |
419 | ret = 1; | |
420 | } | |
421 | ||
422 | mem = -1; | |
423 | if (catomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1 | |
424 | || mem != -1) | |
425 | { | |
426 | puts ("catomic_compare_and_exchange_val_acq test 4 failed"); | |
427 | ret = 1; | |
428 | } | |
429 | #endif | |
430 | ||
431 | mem = 24; | |
432 | if (catomic_compare_and_exchange_bool_acq (&mem, 35, 24) | |
433 | || mem != 35) | |
434 | { | |
435 | puts ("catomic_compare_and_exchange_bool_acq test 1 failed"); | |
436 | ret = 1; | |
437 | } | |
438 | ||
439 | mem = 12; | |
440 | if (! catomic_compare_and_exchange_bool_acq (&mem, 10, 15) | |
441 | || mem != 12) | |
442 | { | |
443 | puts ("catomic_compare_and_exchange_bool_acq test 2 failed"); | |
444 | ret = 1; | |
445 | } | |
446 | ||
447 | mem = -15; | |
448 | if (catomic_compare_and_exchange_bool_acq (&mem, -56, -15) | |
449 | || mem != -56) | |
450 | { | |
451 | puts ("catomic_compare_and_exchange_bool_acq test 3 failed"); | |
452 | ret = 1; | |
453 | } | |
454 | ||
455 | mem = -1; | |
456 | if (! catomic_compare_and_exchange_bool_acq (&mem, 17, 0) | |
457 | || mem != -1) | |
458 | { | |
459 | puts ("catomic_compare_and_exchange_bool_acq test 4 failed"); | |
460 | ret = 1; | |
461 | } | |
462 | ||
463 | mem = 2; | |
464 | if (catomic_exchange_and_add (&mem, 11) != 2 | |
465 | || mem != 13) | |
466 | { | |
467 | puts ("catomic_exchange_and_add test failed"); | |
468 | ret = 1; | |
469 | } | |
470 | ||
471 | mem = -21; | |
472 | catomic_add (&mem, 22); | |
473 | if (mem != 1) | |
474 | { | |
475 | puts ("catomic_add test failed"); | |
476 | ret = 1; | |
477 | } | |
478 | ||
479 | mem = -1; | |
480 | catomic_increment (&mem); | |
481 | if (mem != 0) | |
482 | { | |
483 | puts ("catomic_increment test failed"); | |
484 | ret = 1; | |
485 | } | |
486 | ||
487 | mem = 2; | |
488 | if (catomic_increment_val (&mem) != 3) | |
489 | { | |
490 | puts ("catomic_increment_val test failed"); | |
491 | ret = 1; | |
492 | } | |
493 | ||
494 | mem = 17; | |
495 | catomic_decrement (&mem); | |
496 | if (mem != 16) | |
497 | { | |
498 | puts ("catomic_decrement test failed"); | |
499 | ret = 1; | |
500 | } | |
501 | ||
502 | if (catomic_decrement_val (&mem) != 15) | |
503 | { | |
504 | puts ("catomic_decrement_val test failed"); | |
505 | ret = 1; | |
506 | } | |
507 | ||
1eccfecd TR |
508 | /* Tests for C11-like atomics. */ |
509 | mem = 11; | |
510 | if (atomic_load_relaxed (&mem) != 11 || atomic_load_acquire (&mem) != 11) | |
511 | { | |
512 | puts ("atomic_load_{relaxed,acquire} test failed"); | |
513 | ret = 1; | |
514 | } | |
515 | ||
516 | atomic_store_relaxed (&mem, 12); | |
517 | if (mem != 12) | |
518 | { | |
519 | puts ("atomic_store_relaxed test failed"); | |
520 | ret = 1; | |
521 | } | |
522 | atomic_store_release (&mem, 13); | |
523 | if (mem != 13) | |
524 | { | |
525 | puts ("atomic_store_release test failed"); | |
526 | ret = 1; | |
527 | } | |
528 | ||
529 | mem = 14; | |
530 | expected = 14; | |
531 | if (!atomic_compare_exchange_weak_relaxed (&mem, &expected, 25) | |
532 | || mem != 25 || expected != 14) | |
533 | { | |
534 | puts ("atomic_compare_exchange_weak_relaxed test 1 failed"); | |
535 | ret = 1; | |
536 | } | |
537 | if (atomic_compare_exchange_weak_relaxed (&mem, &expected, 14) | |
538 | || mem != 25 || expected != 25) | |
539 | { | |
540 | puts ("atomic_compare_exchange_weak_relaxed test 2 failed"); | |
541 | ret = 1; | |
542 | } | |
543 | mem = 14; | |
544 | expected = 14; | |
545 | if (!atomic_compare_exchange_weak_acquire (&mem, &expected, 25) | |
546 | || mem != 25 || expected != 14) | |
547 | { | |
548 | puts ("atomic_compare_exchange_weak_acquire test 1 failed"); | |
549 | ret = 1; | |
550 | } | |
551 | if (atomic_compare_exchange_weak_acquire (&mem, &expected, 14) | |
552 | || mem != 25 || expected != 25) | |
553 | { | |
554 | puts ("atomic_compare_exchange_weak_acquire test 2 failed"); | |
555 | ret = 1; | |
556 | } | |
557 | mem = 14; | |
558 | expected = 14; | |
559 | if (!atomic_compare_exchange_weak_release (&mem, &expected, 25) | |
560 | || mem != 25 || expected != 14) | |
561 | { | |
562 | puts ("atomic_compare_exchange_weak_release test 1 failed"); | |
563 | ret = 1; | |
564 | } | |
565 | if (atomic_compare_exchange_weak_release (&mem, &expected, 14) | |
566 | || mem != 25 || expected != 25) | |
567 | { | |
568 | puts ("atomic_compare_exchange_weak_release test 2 failed"); | |
569 | ret = 1; | |
570 | } | |
571 | ||
572 | mem = 23; | |
573 | if (atomic_exchange_acquire (&mem, 42) != 23 || mem != 42) | |
574 | { | |
575 | puts ("atomic_exchange_acquire test failed"); | |
576 | ret = 1; | |
577 | } | |
578 | mem = 23; | |
579 | if (atomic_exchange_release (&mem, 42) != 23 || mem != 42) | |
580 | { | |
581 | puts ("atomic_exchange_release test failed"); | |
582 | ret = 1; | |
583 | } | |
584 | ||
585 | mem = 23; | |
586 | if (atomic_fetch_add_relaxed (&mem, 1) != 23 || mem != 24) | |
587 | { | |
588 | puts ("atomic_fetch_add_relaxed test failed"); | |
589 | ret = 1; | |
590 | } | |
591 | mem = 23; | |
592 | if (atomic_fetch_add_acquire (&mem, 1) != 23 || mem != 24) | |
593 | { | |
594 | puts ("atomic_fetch_add_acquire test failed"); | |
595 | ret = 1; | |
596 | } | |
597 | mem = 23; | |
598 | if (atomic_fetch_add_release (&mem, 1) != 23 || mem != 24) | |
599 | { | |
600 | puts ("atomic_fetch_add_release test failed"); | |
601 | ret = 1; | |
602 | } | |
603 | mem = 23; | |
604 | if (atomic_fetch_add_acq_rel (&mem, 1) != 23 || mem != 24) | |
605 | { | |
606 | puts ("atomic_fetch_add_acq_rel test failed"); | |
607 | ret = 1; | |
608 | } | |
609 | ||
610 | mem = 3; | |
611 | if (atomic_fetch_and_acquire (&mem, 2) != 3 || mem != 2) | |
612 | { | |
613 | puts ("atomic_fetch_and_acquire test failed"); | |
614 | ret = 1; | |
615 | } | |
616 | ||
617 | mem = 4; | |
618 | if (atomic_fetch_or_relaxed (&mem, 2) != 4 || mem != 6) | |
619 | { | |
620 | puts ("atomic_fetch_or_relaxed test failed"); | |
621 | ret = 1; | |
622 | } | |
623 | mem = 4; | |
624 | if (atomic_fetch_or_acquire (&mem, 2) != 4 || mem != 6) | |
625 | { | |
626 | puts ("atomic_fetch_or_acquire test failed"); | |
627 | ret = 1; | |
628 | } | |
629 | ||
630 | /* This is a single-threaded test, so we can't test the effects of the | |
631 | fences. */ | |
632 | atomic_thread_fence_acquire (); | |
633 | atomic_thread_fence_release (); | |
634 | atomic_thread_fence_seq_cst (); | |
635 | ||
d15851ec RM |
636 | return ret; |
637 | } | |
638 | ||
2908885c | 639 | #include <support/test-driver.c> |