t_mutex.c revision 313535
1/* $NetBSD: t_mutex.c,v 1.14 2016/10/31 23:51:20 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_mutex.c,v 1.14 2016/10/31 23:51:20 christos Exp $"); 33 34#ifdef __FreeBSD__ 35#include <sys/time.h> /* For timespecadd */ 36#include <inttypes.h> /* For UINT16_MAX */ 37#endif 38#include <pthread.h> 39#include <stdio.h> 40#include <string.h> 41#include <errno.h> 42#include <time.h> 43#include <unistd.h> 44#include <sys/sched.h> 45#include <sys/param.h> 46 47#include <atf-c.h> 48 49#include "h_common.h" 50 51static pthread_mutex_t mutex; 52static pthread_mutex_t static_mutex = PTHREAD_MUTEX_INITIALIZER; 53static int global_x; 54 55#ifdef TIMEDMUTEX 56/* This code is used for verifying non-timed specific code */ 57static struct timespec ts_lengthy = { 58 .tv_sec = UINT16_MAX, 59 .tv_nsec = 0 60}; 61/* This code is used for verifying timed-only specific code */ 62static struct timespec ts_shortlived = { 63 .tv_sec = 0, 64 .tv_nsec = 120 65}; 66 67static int 68mutex_lock(pthread_mutex_t *m, const struct timespec *ts) 69{ 70 struct timespec ts_wait; 71 ATF_REQUIRE(clock_gettime(CLOCK_REALTIME, &ts_wait) != -1); 72 timespecadd(&ts_wait, ts, &ts_wait); 73 74 return pthread_mutex_timedlock(m, &ts_wait); 75} 76#else 77#define mutex_lock(a, b) pthread_mutex_lock(a) 78#endif 79 80static void * 81mutex1_threadfunc(void *arg) 82{ 83 int *param; 84 85 printf("2: Second thread.\n"); 86 87 param = arg; 88 printf("2: Locking mutex\n"); 89 mutex_lock(&mutex, &ts_lengthy); 90 printf("2: Got mutex. *param = %d\n", *param); 91 ATF_REQUIRE_EQ(*param, 20); 92 (*param)++; 93 94 pthread_mutex_unlock(&mutex); 95 96 return param; 97} 98 99ATF_TC(mutex1); 100ATF_TC_HEAD(mutex1, tc) 101{ 102 atf_tc_set_md_var(tc, "descr", "Checks mutexes"); 103} 104ATF_TC_BODY(mutex1, tc) 105{ 106 int x; 107 pthread_t new; 108 void *joinval; 109 110 printf("1: Mutex-test 1\n"); 111 112 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 113 x = 1; 114 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 115 PTHREAD_REQUIRE(pthread_create(&new, NULL, mutex1_threadfunc, &x)); 116 printf("1: Before changing the value.\n"); 117 sleep(2); 118 x = 20; 119 printf("1: Before releasing the mutex.\n"); 120 sleep(2); 121 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 122 printf("1: After releasing the mutex.\n"); 123 PTHREAD_REQUIRE(pthread_join(new, &joinval)); 124 125 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 126 printf("1: Thread joined. X was %d. Return value (int) was %d\n", 127 x, *(int *)joinval); 128 ATF_REQUIRE_EQ(x, 21); 129 ATF_REQUIRE_EQ(*(int *)joinval, 21); 130 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 131} 132 133static void * 134mutex2_threadfunc(void *arg) 135{ 136 long count = *(int *)arg; 137 138 printf("2: Second thread (%p). Count is %ld\n", pthread_self(), count); 139 140 while (count--) { 141 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 142 global_x++; 143 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 144 } 145 146 return (void *)count; 147} 148 149ATF_TC(mutex2); 150ATF_TC_HEAD(mutex2, tc) 151{ 152 atf_tc_set_md_var(tc, "descr", "Checks mutexes"); 153#ifdef __NetBSD__ 154#if defined(__powerpc__) 155 atf_tc_set_md_var(tc, "timeout", "40"); 156#endif 157#endif 158} 159ATF_TC_BODY(mutex2, tc) 160{ 161 int count, count2; 162 pthread_t new; 163 void *joinval; 164 165 printf("1: Mutex-test 2\n"); 166 167#ifdef __NetBSD__ 168#if defined(__powerpc__) 169 atf_tc_expect_timeout("PR port-powerpc/44387"); 170#endif 171#endif 172 173 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 174 175 global_x = 0; 176 count = count2 = 10000000; 177 178 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 179 PTHREAD_REQUIRE(pthread_create(&new, NULL, mutex2_threadfunc, &count2)); 180 181 printf("1: Thread %p\n", pthread_self()); 182 183 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 184 185 while (count--) { 186 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 187 global_x++; 188 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 189 } 190 191 PTHREAD_REQUIRE(pthread_join(new, &joinval)); 192 193 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 194 printf("1: Thread joined. X was %d. Return value (long) was %ld\n", 195 global_x, (long)joinval); 196 ATF_REQUIRE_EQ(global_x, 20000000); 197 198#ifdef __NetBSD__ 199#if defined(__powerpc__) 200 /* XXX force a timeout in ppc case since an un-triggered race 201 otherwise looks like a "failure" */ 202 /* We sleep for longer than the timeout to make ATF not 203 complain about unexpected success */ 204 sleep(41); 205#endif 206#endif 207} 208 209static void * 210mutex3_threadfunc(void *arg) 211{ 212 long count = *(int *)arg; 213 214 printf("2: Second thread (%p). Count is %ld\n", pthread_self(), count); 215 216 while (count--) { 217 PTHREAD_REQUIRE(mutex_lock(&static_mutex, &ts_lengthy)); 218 global_x++; 219 PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex)); 220 } 221 222 return (void *)count; 223} 224 225ATF_TC(mutex3); 226ATF_TC_HEAD(mutex3, tc) 227{ 228 atf_tc_set_md_var(tc, "descr", "Checks mutexes using a static " 229 "initializer"); 230#ifdef __NetBSD__ 231#if defined(__powerpc__) 232 atf_tc_set_md_var(tc, "timeout", "40"); 233#endif 234#endif 235} 236ATF_TC_BODY(mutex3, tc) 237{ 238 int count, count2; 239 pthread_t new; 240 void *joinval; 241 242 printf("1: Mutex-test 3\n"); 243 244#ifdef __NetBSD__ 245#if defined(__powerpc__) 246 atf_tc_expect_timeout("PR port-powerpc/44387"); 247#endif 248#endif 249 250 global_x = 0; 251 count = count2 = 10000000; 252 253 PTHREAD_REQUIRE(mutex_lock(&static_mutex, &ts_lengthy)); 254 PTHREAD_REQUIRE(pthread_create(&new, NULL, mutex3_threadfunc, &count2)); 255 256 printf("1: Thread %p\n", pthread_self()); 257 258 PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex)); 259 260 while (count--) { 261 PTHREAD_REQUIRE(mutex_lock(&static_mutex, &ts_lengthy)); 262 global_x++; 263 PTHREAD_REQUIRE(pthread_mutex_unlock(&static_mutex)); 264 } 265 266 PTHREAD_REQUIRE(pthread_join(new, &joinval)); 267 268 PTHREAD_REQUIRE(mutex_lock(&static_mutex, &ts_lengthy)); 269 printf("1: Thread joined. X was %d. Return value (long) was %ld\n", 270 global_x, (long)joinval); 271 ATF_REQUIRE_EQ(global_x, 20000000); 272 273#ifdef __NetBSD__ 274#if defined(__powerpc__) 275 /* XXX force a timeout in ppc case since an un-triggered race 276 otherwise looks like a "failure" */ 277 /* We sleep for longer than the timeout to make ATF not 278 complain about unexpected success */ 279 sleep(41); 280#endif 281#endif 282} 283 284static void * 285mutex4_threadfunc(void *arg) 286{ 287 int *param; 288 289 printf("2: Second thread.\n"); 290 291 param = arg; 292 printf("2: Locking mutex\n"); 293 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 294 printf("2: Got mutex. *param = %d\n", *param); 295 (*param)++; 296 297 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 298 299 return param; 300} 301 302ATF_TC(mutex4); 303ATF_TC_HEAD(mutex4, tc) 304{ 305 atf_tc_set_md_var(tc, "descr", "Checks mutexes"); 306} 307ATF_TC_BODY(mutex4, tc) 308{ 309 int x; 310 pthread_t new; 311 pthread_mutexattr_t mattr; 312 void *joinval; 313 314 printf("1: Mutex-test 4\n"); 315 316 PTHREAD_REQUIRE(pthread_mutexattr_init(&mattr)); 317 PTHREAD_REQUIRE(pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE)); 318 319 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, &mattr)); 320 321 PTHREAD_REQUIRE(pthread_mutexattr_destroy(&mattr)); 322 323 x = 1; 324 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 325 PTHREAD_REQUIRE(pthread_create(&new, NULL, mutex4_threadfunc, &x)); 326 327 printf("1: Before recursively acquiring the mutex.\n"); 328 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 329 330 printf("1: Before releasing the mutex once.\n"); 331 sleep(2); 332 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 333 printf("1: After releasing the mutex once.\n"); 334 335 x = 20; 336 337 printf("1: Before releasing the mutex twice.\n"); 338 sleep(2); 339 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 340 printf("1: After releasing the mutex twice.\n"); 341 342 PTHREAD_REQUIRE(pthread_join(new, &joinval)); 343 344 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 345 printf("1: Thread joined. X was %d. Return value (int) was %d\n", 346 x, *(int *)joinval); 347 ATF_REQUIRE_EQ(x, 21); 348 ATF_REQUIRE_EQ(*(int *)joinval, 21); 349 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 350} 351 352#ifdef __NetBSD__ 353static pthread_mutexattr_t attr5; 354static pthread_mutex_t mutex5; 355static int min_fifo_prio, max_fifo_prio; 356 357static void * 358child_func(void* arg) 359{ 360 int res; 361 362 printf("child is waiting\n"); 363 res = _sched_protect(-2); 364 ATF_REQUIRE_EQ_MSG(res, -1, "sched_protect returned %d", res); 365 ATF_REQUIRE_EQ(errno, ENOENT); 366 PTHREAD_REQUIRE(mutex_lock(&mutex5, &ts_lengthy)); 367 printf("child is owning resource\n"); 368 res = _sched_protect(-2); 369 ATF_REQUIRE_EQ(res, max_fifo_prio); 370 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex5)); 371 printf("child is done\n"); 372 373 return 0; 374} 375 376ATF_TC(mutex5); 377ATF_TC_HEAD(mutex5, tc) 378{ 379 atf_tc_set_md_var(tc, "descr", "Checks mutexes for priority setting"); 380 atf_tc_set_md_var(tc, "require.user", "root"); 381} 382 383ATF_TC_BODY(mutex5, tc) 384{ 385 int res; 386 struct sched_param param; 387 pthread_t child; 388 389 min_fifo_prio = sched_get_priority_min(SCHED_FIFO); 390 max_fifo_prio = sched_get_priority_max(SCHED_FIFO); 391 printf("min prio for FIFO = %d\n", min_fifo_prio); 392 param.sched_priority = min_fifo_prio; 393 394 /* = 0 OTHER, 1 FIFO, 2 RR, -1 NONE */ 395 res = sched_setscheduler(getpid(), SCHED_FIFO, ¶m); 396 printf("previous policy used = %d\n", res); 397 398 res = sched_getscheduler(getpid()); 399 ATF_REQUIRE_EQ_MSG(res, SCHED_FIFO, "sched %d != FIFO %d", res, 400 SCHED_FIFO); 401 402 PTHREAD_REQUIRE(pthread_mutexattr_init(&attr5)); 403 PTHREAD_REQUIRE(pthread_mutexattr_setprotocol(&attr5, 404 PTHREAD_PRIO_PROTECT)); 405 PTHREAD_REQUIRE(pthread_mutexattr_setprioceiling(&attr5, 406 max_fifo_prio)); 407 408 PTHREAD_REQUIRE(pthread_mutex_init(&mutex5, &attr5)); 409 PTHREAD_REQUIRE(mutex_lock(&mutex5, &ts_lengthy)); 410 printf("enter critical section for main\n"); 411 PTHREAD_REQUIRE(pthread_create(&child, NULL, child_func, NULL)); 412 printf("main starts to sleep\n"); 413 sleep(10); 414 printf("main completes\n"); 415 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex5)); 416 PTHREAD_REQUIRE(pthread_join(child, NULL)); 417} 418 419static pthread_mutex_t mutex6; 420static int start = 0; 421static uintmax_t high_cnt = 0, low_cnt = 0, MAX_LOOP = 100000000; 422 423static void * 424high_prio(void* arg) 425{ 426 struct sched_param param; 427 int policy; 428 param.sched_priority = min_fifo_prio + 10; 429 pthread_t childid = pthread_self(); 430 431 PTHREAD_REQUIRE(pthread_setschedparam(childid, 1, ¶m)); 432 PTHREAD_REQUIRE(pthread_getschedparam(childid, &policy, ¶m)); 433 printf("high protect = %d, prio = %d\n", 434 _sched_protect(-2), param.sched_priority); 435 ATF_REQUIRE_EQ(policy, 1); 436 printf("high prio = %d\n", param.sched_priority); 437 sleep(1); 438 long tmp = 0; 439 for (int i = 0; i < 20; i++) { 440 while (high_cnt < MAX_LOOP) { 441 tmp += (123456789 % 1234) * (987654321 % 54321); 442 high_cnt += 1; 443 } 444 high_cnt = 0; 445 sleep(1); 446 } 447 PTHREAD_REQUIRE(mutex_lock(&mutex6, &ts_lengthy)); 448 if (start == 0) start = 2; 449 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex6)); 450 451 return 0; 452} 453 454static void * 455low_prio(void* arg) 456{ 457 struct sched_param param; 458 int policy; 459 param.sched_priority = min_fifo_prio; 460 pthread_t childid = pthread_self(); 461 int res = _sched_protect(max_fifo_prio); 462 ATF_REQUIRE_EQ(res, 0); 463 PTHREAD_REQUIRE(pthread_setschedparam(childid, 1, ¶m)); 464 PTHREAD_REQUIRE(pthread_getschedparam(childid, &policy, ¶m)); 465 printf("low protect = %d, prio = %d\n", _sched_protect(-2), 466 param.sched_priority); 467 ATF_REQUIRE_EQ(policy, 1); 468 printf("low prio = %d\n", param.sched_priority); 469 sleep(1); 470 long tmp = 0; 471 for (int i = 0; i < 20; i++) { 472 while (low_cnt < MAX_LOOP) { 473 tmp += (123456789 % 1234) * (987654321 % 54321); 474 low_cnt += 1; 475 } 476 low_cnt = 0; 477 sleep(1); 478 } 479 PTHREAD_REQUIRE(mutex_lock(&mutex6, &ts_lengthy)); 480 if (start == 0) 481 start = 1; 482 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex6)); 483 484 return 0; 485} 486 487ATF_TC(mutex6); 488ATF_TC_HEAD(mutex6, tc) 489{ 490 atf_tc_set_md_var(tc, "descr", 491 "Checks scheduling for priority ceiling"); 492 atf_tc_set_md_var(tc, "require.user", "root"); 493} 494 495/* 496 * 1. main thread sets itself to be a realtime task and launched two tasks, 497 * one has higher priority and the other has lower priority. 498 * 2. each child thread(low and high priority thread) sets its scheduler and 499 * priority. 500 * 3. each child thread did several rounds of computation, after each round it 501 * sleep 1 second. 502 * 4. the child thread with low priority will call _sched_protect to increase 503 * its protect priority. 504 * 5. We verify the thread with low priority runs first. 505 * 506 * Why does it work? From the main thread, we launched the high 507 * priority thread first. This gives this thread the benefit of 508 * starting first. The low priority thread did not call _sched_protect(2). 509 * The high priority thread should finish the task first. After each 510 * round of computation, we call sleep, to put the task into the 511 * sleep queue, and wake up again after the timer expires. This 512 * gives the scheduler the chance to decide which task to run. So, 513 * the thread with real high priority will always block the thread 514 * with real low priority. 515 * 516 */ 517ATF_TC_BODY(mutex6, tc) 518{ 519 struct sched_param param; 520 int res; 521 pthread_t high, low; 522 523 min_fifo_prio = sched_get_priority_min(SCHED_FIFO); 524 max_fifo_prio = sched_get_priority_max(SCHED_FIFO); 525 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 526 printf("min_fifo_prio = %d, max_fifo_info = %d\n", min_fifo_prio, 527 max_fifo_prio); 528 529 param.sched_priority = min_fifo_prio; 530 res = sched_setscheduler(getpid(), SCHED_FIFO, ¶m); 531 printf("previous policy used = %d\n", res); 532 533 res = sched_getscheduler(getpid()); 534 ATF_REQUIRE_EQ(res, 1); 535 PTHREAD_REQUIRE(pthread_create(&high, NULL, high_prio, NULL)); 536 PTHREAD_REQUIRE(pthread_create(&low, NULL, low_prio, NULL)); 537 sleep(5); 538 PTHREAD_REQUIRE(pthread_join(low, NULL)); 539 PTHREAD_REQUIRE(pthread_join(high, NULL)); 540 541 ATF_REQUIRE_EQ(start, 1); 542} 543#endif 544 545ATF_TC(mutexattr1); 546ATF_TC_HEAD(mutexattr1, tc) 547{ 548 atf_tc_set_md_var(tc, "descr", "Checks mutexattr"); 549} 550 551ATF_TC_BODY(mutexattr1, tc) 552{ 553 pthread_mutexattr_t mattr; 554 int protocol, target; 555 556 PTHREAD_REQUIRE(pthread_mutexattr_init(&mattr)); 557 558 target = PTHREAD_PRIO_NONE; 559 PTHREAD_REQUIRE(pthread_mutexattr_setprotocol(&mattr, target)); 560 PTHREAD_REQUIRE(pthread_mutexattr_getprotocol(&mattr, &protocol)); 561 ATF_REQUIRE_EQ(protocol, target); 562 563 /* 564 target = PTHREAD_PRIO_INHERIT; 565 PTHREAD_REQUIRE(pthread_mutexattr_setprotocol(&mattr, target)); 566 PTHREAD_REQUIRE(pthread_mutexattr_getprotocol(&mattr, &protocol)); 567 ATF_REQUIRE_EQ(protocol, target); 568 */ 569 570 target = PTHREAD_PRIO_PROTECT; 571 PTHREAD_REQUIRE(pthread_mutexattr_setprotocol(&mattr, target)); 572 PTHREAD_REQUIRE(pthread_mutexattr_getprotocol(&mattr, &protocol)); 573 ATF_REQUIRE_EQ(protocol, target); 574} 575 576ATF_TC(mutexattr2); 577ATF_TC_HEAD(mutexattr2, tc) 578{ 579 atf_tc_set_md_var(tc, "descr", "Checks mutexattr"); 580} 581 582ATF_TC_BODY(mutexattr2, tc) 583{ 584 pthread_mutexattr_t mattr; 585 586#ifdef __FreeBSD__ 587 atf_tc_expect_fail("fails on i == 0 with: " 588 "pthread_mutexattr_setprioceiling(&mattr, i): Invalid argument " 589 "-- PR # 211802"); 590#endif 591 592 PTHREAD_REQUIRE(pthread_mutexattr_init(&mattr)); 593 int max_prio = sched_get_priority_max(SCHED_FIFO); 594 int min_prio = sched_get_priority_min(SCHED_FIFO); 595 for (int i = min_prio; i <= max_prio; i++) { 596 int prioceiling; 597#ifdef __FreeBSD__ 598 int protocol; 599 600 PTHREAD_REQUIRE(pthread_mutexattr_getprotocol(&mattr, 601 &protocol)); 602 603 printf("priority: %d\nprotocol: %d\n", i, protocol); 604#endif 605 PTHREAD_REQUIRE(pthread_mutexattr_setprioceiling(&mattr, i)); 606 PTHREAD_REQUIRE(pthread_mutexattr_getprioceiling(&mattr, 607 &prioceiling)); 608#ifdef __FreeBSD__ 609 printf("prioceiling: %d\n", prioceiling); 610#endif 611 ATF_REQUIRE_EQ(i, prioceiling); 612 } 613} 614 615#ifdef TIMEDMUTEX 616ATF_TC(timedmutex1); 617ATF_TC_HEAD(timedmutex1, tc) 618{ 619 atf_tc_set_md_var(tc, "descr", "Checks timeout on selflock"); 620} 621 622ATF_TC_BODY(timedmutex1, tc) 623{ 624 625 printf("Timed mutex-test 1\n"); 626 627 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 628 629 printf("Before acquiring mutex\n"); 630 PTHREAD_REQUIRE(pthread_mutex_lock(&mutex)); 631 632 printf("Before endeavor to reacquire timed-mutex (timeout expected)\n"); 633 PTHREAD_REQUIRE_STATUS(mutex_lock(&mutex, &ts_shortlived), 634 ETIMEDOUT); 635 636 printf("Unlocking mutex\n"); 637 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 638} 639 640ATF_TC(timedmutex2); 641ATF_TC_HEAD(timedmutex2, tc) 642{ 643 atf_tc_set_md_var(tc, "descr", 644 "Checks timeout on selflock with timedlock"); 645} 646 647ATF_TC_BODY(timedmutex2, tc) 648{ 649 650 printf("Timed mutex-test 2\n"); 651 652 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 653 654 printf("Before acquiring mutex with timedlock\n"); 655 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 656 657 printf("Before endeavor to reacquire timed-mutex (timeout expected)\n"); 658 PTHREAD_REQUIRE_STATUS(mutex_lock(&mutex, &ts_shortlived), 659 ETIMEDOUT); 660 661 printf("Unlocking mutex\n"); 662 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 663} 664 665ATF_TC(timedmutex3); 666ATF_TC_HEAD(timedmutex3, tc) 667{ 668 atf_tc_set_md_var(tc, "descr", 669 "Checks timeout on selflock in a new thread"); 670} 671 672static void * 673timedmtx_thrdfunc(void *arg) 674{ 675 printf("Before endeavor to reacquire timed-mutex (timeout expected)\n"); 676 PTHREAD_REQUIRE_STATUS(mutex_lock(&mutex, &ts_shortlived), 677 ETIMEDOUT); 678 679 return NULL; 680} 681 682ATF_TC_BODY(timedmutex3, tc) 683{ 684 pthread_t new; 685 686 printf("Timed mutex-test 3\n"); 687 688 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 689 690 printf("Before acquiring mutex with timedlock\n"); 691 PTHREAD_REQUIRE(pthread_mutex_lock(&mutex)); 692 693 printf("Before creating new thread\n"); 694 PTHREAD_REQUIRE(pthread_create(&new, NULL, timedmtx_thrdfunc, NULL)); 695 696 printf("Before joining the mutex\n"); 697 PTHREAD_REQUIRE(pthread_join(new, NULL)); 698 699 printf("Unlocking mutex\n"); 700 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 701} 702 703ATF_TC(timedmutex4); 704ATF_TC_HEAD(timedmutex4, tc) 705{ 706 atf_tc_set_md_var(tc, "descr", 707 "Checks timeout on selflock with timedlock in a new thread"); 708} 709 710ATF_TC_BODY(timedmutex4, tc) 711{ 712 pthread_t new; 713 714 printf("Timed mutex-test 4\n"); 715 716 PTHREAD_REQUIRE(pthread_mutex_init(&mutex, NULL)); 717 718 printf("Before acquiring mutex with timedlock\n"); 719 PTHREAD_REQUIRE(mutex_lock(&mutex, &ts_lengthy)); 720 721 printf("Before creating new thread\n"); 722 PTHREAD_REQUIRE(pthread_create(&new, NULL, timedmtx_thrdfunc, NULL)); 723 724 printf("Before joining the mutex\n"); 725 PTHREAD_REQUIRE(pthread_join(new, NULL)); 726 727 printf("Unlocking mutex\n"); 728 PTHREAD_REQUIRE(pthread_mutex_unlock(&mutex)); 729} 730#endif 731 732ATF_TP_ADD_TCS(tp) 733{ 734 ATF_TP_ADD_TC(tp, mutex1); 735 ATF_TP_ADD_TC(tp, mutex2); 736 ATF_TP_ADD_TC(tp, mutex3); 737 ATF_TP_ADD_TC(tp, mutex4); 738#ifdef __NetBSD__ 739 ATF_TP_ADD_TC(tp, mutex5); 740 ATF_TP_ADD_TC(tp, mutex6); 741#endif 742 ATF_TP_ADD_TC(tp, mutexattr1); 743 ATF_TP_ADD_TC(tp, mutexattr2); 744 745#ifdef TIMEDMUTEX 746 ATF_TP_ADD_TC(tp, timedmutex1); 747 ATF_TP_ADD_TC(tp, timedmutex2); 748 ATF_TP_ADD_TC(tp, timedmutex3); 749 ATF_TP_ADD_TC(tp, timedmutex4); 750#endif 751 752 return atf_no_error(); 753} 754