1 /* $NetBSD: t_cond.c,v 1.7 2016/07/03 14:24:59 christos Exp $ */
2 
3 /*
4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __COPYRIGHT("@(#) Copyright (c) 2008\
31  The NetBSD Foundation, inc. All rights reserved.");
32 __RCSID("$NetBSD: t_cond.c,v 1.7 2016/07/03 14:24:59 christos Exp $");
33 
34 #include <sys/time.h>
35 
36 #include <errno.h>
37 #include <pthread.h>
38 #include <stdio.h>
39 #include <unistd.h>
40 
41 #include <atf-c.h>
42 
43 #include "h_common.h"
44 
45 static pthread_mutex_t mutex;
46 static pthread_cond_t cond;
47 static pthread_mutex_t static_mutex = PTHREAD_MUTEX_INITIALIZER;
48 static pthread_cond_t static_cond = PTHREAD_COND_INITIALIZER;
49 static int count, share, toggle, total;
50 
51 static void *
52 signal_delay_wait_threadfunc(void *arg)
53 {
54 	int *shared = (int *) arg;
55 
56 	printf("2: Second thread.\n");
57 
58 	printf("2: Locking mutex\n");
59 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
60 	printf("2: Got mutex.\n");
61 	printf("Shared value: %d. Changing to 0.\n", *shared);
62 	*shared = 0;
63 
64 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
65 	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
66 
67 	return NULL;
68 }
69 
70 ATF_TC(signal_delay_wait);
71 ATF_TC_HEAD(signal_delay_wait, tc)
72 {
73 	atf_tc_set_md_var(tc, "descr", "Checks condition variables");
74 }
75 ATF_TC_BODY(signal_delay_wait, tc)
76 {
77 	pthread_t new;
78 	void *joinval;
79 	int sharedval;
80 
81 	printf("1: condition variable test 1\n");
82 
83 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
84 	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
85 
86 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
87 
88 	sharedval = 1;
89 
90 	PTHREAD_REQUIRE(pthread_create(&new, NULL, signal_delay_wait_threadfunc,
91 	    &sharedval));
92 
93 	printf("1: Before waiting.\n");
94 	do {
95 		sleep(2);
96 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
97 		printf("1: After waiting, in loop.\n");
98 	} while (sharedval != 0);
99 
100 	printf("1: After the loop.\n");
101 
102 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
103 
104 	printf("1: After releasing the mutex.\n");
105 	PTHREAD_REQUIRE(pthread_join(new, &joinval));
106 
107 	printf("1: Thread joined.\n");
108 }
109 
110 static void *
111 signal_before_unlock_threadfunc(void *arg)
112 {
113 	int *shared = (int *) arg;
114 
115 	printf("2: Second thread.\n");
116 
117 	printf("2: Locking mutex\n");
118 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
119 	printf("2: Got mutex.\n");
120 	printf("Shared value: %d. Changing to 0.\n", *shared);
121 	*shared = 0;
122 
123 	/* Signal first, then unlock, for a different test than #1. */
124 	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
125 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
126 
127 	return NULL;
128 }
129 
130 ATF_TC(signal_before_unlock);
131 ATF_TC_HEAD(signal_before_unlock, tc)
132 {
133 	atf_tc_set_md_var(tc, "descr",
134 		"Checks condition variables: signal before unlocking mutex");
135 }
136 ATF_TC_BODY(signal_before_unlock, tc)
137 {
138 	pthread_t new;
139 	void *joinval;
140 	int sharedval;
141 
142 	printf("1: condition variable test 2\n");
143 
144 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
145 	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
146 
147 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
148 
149 	sharedval = 1;
150 
151 	PTHREAD_REQUIRE(pthread_create(&new, NULL,
152 	    signal_before_unlock_threadfunc, &sharedval));
153 
154 	printf("1: Before waiting.\n");
155 	do {
156 		sleep(2);
157 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
158 		printf("1: After waiting, in loop.\n");
159 	} while (sharedval != 0);
160 
161 	printf("1: After the loop.\n");
162 
163 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
164 
165 	printf("1: After releasing the mutex.\n");
166 	PTHREAD_REQUIRE(pthread_join(new, &joinval));
167 
168 	printf("1: Thread joined.\n");
169 }
170 
171 static void *
172 signal_before_unlock_static_init_threadfunc(void *arg)
173 {
174 	int *shared = (int *) arg;
175 
176 	printf("2: Second thread.\n");
177 
178 	printf("2: Locking mutex\n");
179 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
180 	printf("2: Got mutex.\n");
181 	printf("Shared value: %d. Changing to 0.\n", *shared);
182 	*shared = 0;
183 
184 	/* Signal first, then unlock, for a different test than #1. */
185 	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
186 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
187 
188 	return NULL;
189 }
190 
191 ATF_TC(signal_before_unlock_static_init);
192 ATF_TC_HEAD(signal_before_unlock_static_init, tc)
193 {
194 	atf_tc_set_md_var(tc, "descr",
195 		"Checks condition variables: signal before unlocking "
196 		"mutex, use static initializers");
197 }
198 ATF_TC_BODY(signal_before_unlock_static_init, tc)
199 {
200 	pthread_t new;
201 	void *joinval;
202 	int sharedval;
203 
204 	printf("1: condition variable test 3\n");
205 
206 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
207 
208 	sharedval = 1;
209 
210 	PTHREAD_REQUIRE(pthread_create(&new, NULL,
211 	    signal_before_unlock_static_init_threadfunc, &sharedval));
212 
213 	printf("1: Before waiting.\n");
214 	do {
215 		sleep(2);
216 		PTHREAD_REQUIRE(pthread_cond_wait(&static_cond, &static_mutex));
217 		printf("1: After waiting, in loop.\n");
218 	} while (sharedval != 0);
219 
220 	printf("1: After the loop.\n");
221 
222 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
223 
224 	printf("1: After releasing the mutex.\n");
225 	PTHREAD_REQUIRE(pthread_join(new, &joinval));
226 
227 	printf("1: Thread joined.\n");
228 }
229 
230 static void *
231 signal_wait_race_threadfunc(void *arg)
232 {
233 	printf("2: Second thread.\n");
234 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
235 	printf("2: Before the loop.\n");
236 	while (count>0) {
237 		count--;
238 		total++;
239 		toggle = 0;
240 		/* printf("2: Before signal %d.\n", count); */
241 		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
242 		do {
243 			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
244 			    &static_mutex));
245 		} while (toggle != 1);
246 	}
247 	printf("2: After the loop.\n");
248 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
249 
250 	return NULL;
251 }
252 
253 ATF_TC(signal_wait_race);
254 ATF_TC_HEAD(signal_wait_race, tc)
255 {
256 	atf_tc_set_md_var(tc, "descr", "Checks condition variables");
257 }
258 ATF_TC_BODY(signal_wait_race, tc)
259 {
260 	pthread_t new;
261 	void *joinval;
262 	int sharedval;
263 
264 	printf("1: condition variable test 4\n");
265 
266 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
267 
268 	count = 50000;
269 	toggle = 0;
270 
271 	PTHREAD_REQUIRE(pthread_create(&new, NULL, signal_wait_race_threadfunc,
272 	    &sharedval));
273 
274 	printf("1: Before waiting.\n");
275 	while (count>0) {
276 		count--;
277 		total++;
278 		toggle = 1;
279 		/* printf("1: Before signal %d.\n", count); */
280 		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
281 		do {
282 			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
283 			    &static_mutex));
284 		} while (toggle != 0);
285 	}
286 	printf("1: After the loop.\n");
287 
288 	toggle = 1;
289 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
290 	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
291 
292 	printf("1: After releasing the mutex.\n");
293 	PTHREAD_REQUIRE(pthread_join(new, &joinval));
294 
295 	printf("1: Thread joined. Final count = %d, total = %d\n",
296 		count, total);
297 
298 	ATF_REQUIRE_EQ(count, 0);
299 	ATF_REQUIRE_EQ(total, 50000);
300 }
301 
302 static void *
303 pthread_cond_timedwait_func(void *arg)
304 {
305 	struct timespec ts;
306 	size_t i = 0;
307 	int rv;
308 
309 	for (;;) {
310 
311 		if (i++ >= 10000)
312 			pthread_exit(NULL);
313 
314 		(void)memset(&ts, 0, sizeof(struct timespec));
315 
316 		ATF_REQUIRE(clock_gettime(CLOCK_REALTIME, &ts) == 0);
317 
318 		/*
319 		 * Set to one second in the past:
320 		 * pthread_cond_timedwait(3) should
321 		 * return ETIMEDOUT immediately.
322 		 */
323 		ts.tv_sec = ts.tv_sec - 1;
324 
325 		PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
326 		rv = pthread_cond_timedwait(&static_cond, &static_mutex, &ts);
327 
328 		/*
329 		 * Sometimes we catch ESRCH.
330 		 * This should never happen.
331 		 */
332 		ATF_REQUIRE(rv == ETIMEDOUT);
333 		PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
334 	}
335 }
336 
337 ATF_TC(cond_timedwait_race);
338 ATF_TC_HEAD(cond_timedwait_race, tc)
339 {
340 	atf_tc_set_md_var(tc, "descr", "Test pthread_cond_timedwait(3)");
341 
342 }
343 ATF_TC_BODY(cond_timedwait_race, tc)
344 {
345 	pthread_t tid[64];
346 	size_t i;
347 
348 	for (i = 0; i < __arraycount(tid); i++) {
349 
350 		PTHREAD_REQUIRE(pthread_create(&tid[i], NULL,
351 		    pthread_cond_timedwait_func, NULL));
352 	}
353 
354 	for (i = 0; i < __arraycount(tid); i++) {
355 
356 		PTHREAD_REQUIRE(pthread_join(tid[i], NULL));
357 	}
358 }
359 
360 static void *
361 broadcast_threadfunc(void *arg)
362 {
363 	printf("2: Second thread.\n");
364 
365 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
366 	while (count>0) {
367 		count--;
368 		total++;
369 		toggle = 0;
370 		PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
371 		do {
372 			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
373 			    &static_mutex));
374 		} while (toggle != 1);
375 	}
376 	printf("2: After the loop.\n");
377 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
378 
379 	return NULL;
380 }
381 
382 
383 ATF_TC(broadcast);
384 ATF_TC_HEAD(broadcast, tc)
385 {
386 	atf_tc_set_md_var(tc, "descr",
387 		"Checks condition variables: use pthread_cond_broadcast()");
388 }
389 ATF_TC_BODY(broadcast, tc)
390 {
391 	pthread_t new;
392 	void *joinval;
393 	int sharedval;
394 
395 	printf("1: condition variable test 5\n");
396 
397 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
398 
399 	count = 50000;
400 	toggle = 0;
401 
402 	PTHREAD_REQUIRE(pthread_create(&new, NULL, broadcast_threadfunc,
403 	    &sharedval));
404 
405 	printf("1: Before waiting.\n");
406 	while (count>0) {
407 		count--;
408 		total++;
409 		toggle = 1;
410 		PTHREAD_REQUIRE(pthread_cond_broadcast(&static_cond));
411 		do {
412 			PTHREAD_REQUIRE(pthread_cond_wait(&static_cond,
413 			    &static_mutex));
414 		} while (toggle != 0);
415 	}
416 	printf("1: After the loop.\n");
417 
418 	toggle = 1;
419 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
420 	PTHREAD_REQUIRE(pthread_cond_signal(&static_cond));
421 
422 	printf("1: After releasing the mutex.\n");
423 	PTHREAD_REQUIRE(pthread_join(new, &joinval));
424 
425 	printf("1: Thread joined. Final count = %d, total = %d\n", count,
426 	    total);
427 
428 	ATF_REQUIRE_EQ(count, 0);
429 	ATF_REQUIRE_EQ(total, 50000);
430 }
431 
432 static void *
433 bogus_timedwaits_threadfunc(void *arg)
434 {
435 	return NULL;
436 }
437 
438 ATF_TC(bogus_timedwaits);
439 ATF_TC_HEAD(bogus_timedwaits, tc)
440 {
441 	atf_tc_set_md_var(tc, "descr",
442 		"Checks condition variables: bogus timedwaits");
443 }
444 ATF_TC_BODY(bogus_timedwaits, tc)
445 {
446 	pthread_t new;
447 	struct timespec ts;
448 	struct timeval tv;
449 
450 	printf("condition variable test 6: bogus timedwaits\n");
451 
452 	PTHREAD_REQUIRE(pthread_mutex_lock(&static_mutex));
453 
454 	printf("unthreaded test (past)\n");
455 	gettimeofday(&tv, NULL);
456 	tv.tv_sec -= 2; /* Place the time in the past */
457 	TIMEVAL_TO_TIMESPEC(&tv, &ts);
458 
459 	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
460 	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (unthreaded) in the "
461 	    "past");
462 
463 	printf("unthreaded test (zero time)\n");
464 	tv.tv_sec = 0;
465 	tv.tv_usec = 0;
466 	TIMEVAL_TO_TIMESPEC(&tv, &ts);
467 
468 	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
469 	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (unthreaded) with zero "
470 	    "time");
471 
472 	PTHREAD_REQUIRE(pthread_create(&new, NULL, bogus_timedwaits_threadfunc,
473 	    NULL));
474 	PTHREAD_REQUIRE(pthread_join(new, NULL));
475 
476 	printf("threaded test\n");
477 	gettimeofday(&tv, NULL);
478 	tv.tv_sec -= 2; /* Place the time in the past */
479 	TIMEVAL_TO_TIMESPEC(&tv, &ts);
480 
481 	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
482 	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (threaded) in the past");
483 
484 	printf("threaded test (zero time)\n");
485 	tv.tv_sec = 0;
486 	tv.tv_usec = 0;
487 	TIMEVAL_TO_TIMESPEC(&tv, &ts);
488 
489 	ATF_REQUIRE_EQ_MSG(pthread_cond_timedwait(&static_cond, &static_mutex,
490 	    &ts), ETIMEDOUT, "pthread_cond_timedwait() (threaded) with zero "
491 	    "time");
492 
493 	PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex));
494 }
495 
496 #ifdef __FreeBSD__
497 static void *
498 destroy_busy_threadfunc(void *arg)
499 {
500 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
501 
502 	share = 1;
503 	PTHREAD_REQUIRE(pthread_cond_broadcast(&cond));
504 	PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
505 
506 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
507 
508 	return NULL;
509 }
510 
511 ATF_TC(destroy_busy);
512 ATF_TC_HEAD(destroy_busy, tc)
513 {
514 	atf_tc_set_md_var(tc, "descr", "Checks non-standard behaviour of "
515 	    "returning EBUSY when attempting to destroy an active condvar");
516 }
517 ATF_TC_BODY(destroy_busy, tc)
518 {
519 	pthread_t thread;
520 
521 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
522 	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
523 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
524 	PTHREAD_REQUIRE(pthread_create(&thread, NULL, destroy_busy_threadfunc,
525 	    NULL));
526 
527 	while (share == 0) {
528 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
529 	}
530 
531 	PTHREAD_REQUIRE_STATUS(pthread_cond_destroy(&cond), EBUSY);
532 	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
533 	PTHREAD_REQUIRE(pthread_cond_destroy(&cond));
534 
535 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
536 	PTHREAD_REQUIRE(pthread_join(thread, NULL));
537 	PTHREAD_REQUIRE(pthread_mutex_destroy(&mutex));
538 }
539 #endif
540 
541 static void
542 unlock(void *arg)
543 {
544 	pthread_mutex_unlock((pthread_mutex_t *)arg);
545 }
546 
547 static void *
548 destroy_after_cancel_threadfunc(void *arg)
549 {
550 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
551 
552 	pthread_cleanup_push(unlock, &mutex);
553 
554 	while (1) {
555 		share = 1;
556 		PTHREAD_REQUIRE(pthread_cond_broadcast(&cond));
557 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
558 	}
559 
560 	pthread_cleanup_pop(0);
561 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
562 
563 	return NULL;
564 }
565 
566 ATF_TC(destroy_after_cancel);
567 ATF_TC_HEAD(destroy_after_cancel, tc)
568 {
569 	atf_tc_set_md_var(tc, "descr", "Checks destroying a condition variable "
570 	    "after cancelling a wait");
571 }
572 ATF_TC_BODY(destroy_after_cancel, tc)
573 {
574 	pthread_t thread;
575 
576 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
577 	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
578 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
579 	PTHREAD_REQUIRE(pthread_create(&thread, NULL,
580 	    destroy_after_cancel_threadfunc, NULL));
581 
582 	while (share == 0) {
583 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
584 	}
585 
586 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
587 	PTHREAD_REQUIRE(pthread_cancel(thread));
588 
589 	PTHREAD_REQUIRE(pthread_join(thread, NULL));
590 	PTHREAD_REQUIRE(pthread_cond_destroy(&cond));
591 
592 	PTHREAD_REQUIRE(pthread_mutex_destroy(&mutex));
593 }
594 
595 static void *
596 destroy_after_signal_threadfunc(void *arg)
597 {
598 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
599 
600 	share = 1;
601 	PTHREAD_REQUIRE(pthread_cond_broadcast(&cond));
602 	PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
603 
604 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
605 
606 	return NULL;
607 }
608 
609 ATF_TC(destroy_after_signal);
610 ATF_TC_HEAD(destroy_after_signal, tc)
611 {
612 	atf_tc_set_md_var(tc, "descr", "Checks destroying a condition variable "
613 	    "immediately after signaling waiters");
614 }
615 ATF_TC_BODY(destroy_after_signal, tc)
616 {
617 	pthread_t thread;
618 
619 	PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL));
620 	PTHREAD_REQUIRE(pthread_cond_init(&cond, NULL));
621 	PTHREAD_REQUIRE(pthread_mutex_lock(&mutex));
622 	PTHREAD_REQUIRE(pthread_create(&thread, NULL,
623 	    destroy_after_signal_threadfunc, NULL));
624 
625 	while (share == 0) {
626 		PTHREAD_REQUIRE(pthread_cond_wait(&cond, &mutex));
627 	}
628 
629 	PTHREAD_REQUIRE(pthread_cond_signal(&cond));
630 	PTHREAD_REQUIRE(pthread_cond_destroy(&cond));
631 	PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex));
632 
633 	PTHREAD_REQUIRE(pthread_join(thread, NULL));
634 
635 	PTHREAD_REQUIRE(pthread_mutex_destroy(&mutex));
636 }
637 
638 ATF_TC(condattr);
639 ATF_TC_HEAD(condattr, tc)
640 {
641 	atf_tc_set_md_var(tc, "descr", "Checks Condattr");
642 }
643 ATF_TC_BODY(condattr, tc)
644 {
645 	pthread_condattr_t condattr;
646 	clockid_t clockid;
647 
648 	PTHREAD_REQUIRE(pthread_condattr_init(&condattr));
649 	PTHREAD_REQUIRE(pthread_condattr_setclock(&condattr, CLOCK_REALTIME));
650 	PTHREAD_REQUIRE(pthread_condattr_getclock(&condattr, &clockid));
651 	ATF_REQUIRE_EQ(clockid, CLOCK_REALTIME);
652 
653 	PTHREAD_REQUIRE(pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC));
654 	PTHREAD_REQUIRE(pthread_condattr_getclock(&condattr, &clockid));
655  	ATF_REQUIRE_EQ(clockid, CLOCK_MONOTONIC);
656 }
657 
658 ATF_TP_ADD_TCS(tp)
659 {
660 
661 	ATF_TP_ADD_TC(tp, signal_delay_wait);
662 	ATF_TP_ADD_TC(tp, signal_before_unlock);
663 	ATF_TP_ADD_TC(tp, signal_before_unlock_static_init);
664 	ATF_TP_ADD_TC(tp, signal_wait_race);
665 	ATF_TP_ADD_TC(tp, cond_timedwait_race);
666 	ATF_TP_ADD_TC(tp, broadcast);
667 	ATF_TP_ADD_TC(tp, bogus_timedwaits);
668 #ifdef __FreeBSD__
669 	ATF_TP_ADD_TC(tp, destroy_busy);
670 #endif
671 	ATF_TP_ADD_TC(tp, destroy_after_cancel);
672 	ATF_TP_ADD_TC(tp, destroy_after_signal);
673 	ATF_TP_ADD_TC(tp, condattr);
674 
675 	return atf_no_error();
676 }
677