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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 | /* Tests for POSIX timer implementation. Copyright (C) 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2004 The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; see the file COPYING.LIB. If not, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <signal.h> #include <stdio.h> #include <string.h> #include <time.h> #include <unistd.h> #if _POSIX_THREADS # include <pthread.h> # ifndef TEST_CLOCK # define TEST_CLOCK CLOCK_REALTIME # endif pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; timer_t timer_none, timer_sig1, timer_sig2, timer_thr1, timer_thr2; int thr1_cnt, thr1_err; union sigval thr1_sigval; struct timespec thr1_ts; static void thr1 (union sigval sigval) { pthread_mutex_lock (&lock); thr1_err = clock_gettime (TEST_CLOCK, &thr1_ts); if (thr1_cnt >= 5) { struct itimerspec it = { }; thr1_err |= timer_settime (timer_thr1, 0, &it, NULL); } thr1_sigval = sigval; ++thr1_cnt; pthread_cond_signal (&cond); pthread_mutex_unlock (&lock); } int thr2_cnt, thr2_err; union sigval thr2_sigval; size_t thr2_guardsize; struct timespec thr2_ts; static void thr2 (union sigval sigval) { pthread_attr_t nattr; int err = 0; size_t guardsize = -1; int ret = pthread_getattr_np (pthread_self (), &nattr); if (ret) { errno = ret; printf ("*** pthread_getattr_np failed: %m\n"); err = 1; } else { ret = pthread_attr_getguardsize (&nattr, &guardsize); if (ret) { errno = ret; printf ("*** pthread_attr_getguardsize failed: %m\n"); err = 1; } if (pthread_attr_destroy (&nattr) != 0) { puts ("*** pthread_attr_destroy failed"); err = 1; } } pthread_mutex_lock (&lock); thr2_err = clock_gettime (TEST_CLOCK, &thr2_ts) | err; if (thr2_cnt >= 5) { struct itimerspec it = { }; thr2_err |= timer_settime (timer_thr2, 0, &it, NULL); } thr2_sigval = sigval; ++thr2_cnt; thr2_guardsize = guardsize; pthread_cond_signal (&cond); pthread_mutex_unlock (&lock); } volatile int sig1_cnt, sig1_err; volatile union sigval sig1_sigval; struct timespec sig1_ts; static void sig1_handler (int sig, siginfo_t *info, void *ctx) { int err = 0; if (sig != SIGRTMIN) err |= 1 << 0; if (info->si_signo != SIGRTMIN) err |= 1 << 1; if (info->si_code != SI_TIMER) err |= 1 << 2; if (clock_gettime (TEST_CLOCK, &sig1_ts) != 0) err |= 1 << 3; if (sig1_cnt >= 5) { struct itimerspec it = { }; if (timer_settime (timer_sig1, 0, &it, NULL)) err |= 1 << 4; } sig1_err |= err; sig1_sigval = info->si_value; ++sig1_cnt; } volatile int sig2_cnt, sig2_err; volatile union sigval sig2_sigval; struct timespec sig2_ts; static void sig2_handler (int sig, siginfo_t *info, void *ctx) { int err = 0; if (sig != SIGRTMIN + 1) err |= 1 << 0; if (info->si_signo != SIGRTMIN + 1) err |= 1 << 1; if (info->si_code != SI_TIMER) err |= 1 << 2; if (clock_gettime (TEST_CLOCK, &sig2_ts) != 0) err |= 1 << 3; if (sig2_cnt >= 5) { struct itimerspec it = { }; if (timer_settime (timer_sig2, 0, &it, NULL)) err |= 1 << 4; } sig2_err |= err; sig2_sigval = info->si_value; ++sig2_cnt; } /* Check if end is later or equal to start + nsec. */ static int check_ts (const char *name, const struct timespec *start, const struct timespec *end, long msec) { struct timespec ts = *start; ts.tv_sec += msec / 1000000; ts.tv_nsec += (msec % 1000000) * 1000; if (ts.tv_nsec >= 1000000000) { ++ts.tv_sec; ts.tv_nsec -= 1000000000; } if (end->tv_sec < ts.tv_sec || (end->tv_sec == ts.tv_sec && end->tv_nsec < ts.tv_nsec)) { printf ("\ *** timer %s invoked too soon: %ld.%09ld instead of expected %ld.%09ld\n", name, (long) end->tv_sec, end->tv_nsec, (long) ts.tv_sec, ts.tv_nsec); return 1; } else return 0; } #define TIMEOUT 15 #define TEST_FUNCTION do_test () static int do_test (void) { int result = 0; #ifdef TEST_CLOCK_MISSING const char *missing = TEST_CLOCK_MISSING (TEST_CLOCK); if (missing != NULL) { printf ("%s missing, skipping test\n", missing); return 0; } #endif struct timespec ts; if (clock_gettime (TEST_CLOCK, &ts) != 0) { printf ("*** clock_gettime failed: %m\n"); result = 1; } else printf ("clock_gettime returned timespec = { %ld, %ld }\n", (long) ts.tv_sec, ts.tv_nsec); if (clock_getres (TEST_CLOCK, &ts) != 0) { printf ("*** clock_getres failed: %m\n"); result = 1; } else printf ("clock_getres returned timespec = { %ld, %ld }\n", (long) ts.tv_sec, ts.tv_nsec); struct sigevent ev; memset (&ev, 0x11, sizeof (ev)); ev.sigev_notify = SIGEV_NONE; if (timer_create (TEST_CLOCK, &ev, &timer_none) != 0) { printf ("*** timer_create for timer_none failed: %m\n"); return 1; } struct sigaction sa = { .sa_sigaction = sig1_handler, .sa_flags = SA_SIGINFO }; sigemptyset (&sa.sa_mask); sigaction (SIGRTMIN, &sa, NULL); sa.sa_sigaction = sig2_handler; sigaction (SIGRTMIN + 1, &sa, NULL); memset (&ev, 0x22, sizeof (ev)); ev.sigev_notify = SIGEV_SIGNAL; ev.sigev_signo = SIGRTMIN; ev.sigev_value.sival_ptr = &ev; if (timer_create (TEST_CLOCK, &ev, &timer_sig1) != 0) { printf ("*** timer_create for timer_sig1 failed: %m\n"); return 1; } memset (&ev, 0x33, sizeof (ev)); ev.sigev_notify = SIGEV_SIGNAL; ev.sigev_signo = SIGRTMIN + 1; ev.sigev_value.sival_int = 163; if (timer_create (TEST_CLOCK, &ev, &timer_sig2) != 0) { printf ("*** timer_create for timer_sig2 failed: %m\n"); return 1; } memset (&ev, 0x44, sizeof (ev)); ev.sigev_notify = SIGEV_THREAD; ev.sigev_notify_function = thr1; ev.sigev_notify_attributes = NULL; ev.sigev_value.sival_ptr = &ev; if (timer_create (TEST_CLOCK, &ev, &timer_thr1) != 0) { printf ("*** timer_create for timer_thr1 failed: %m\n"); return 1; } pthread_attr_t nattr; if (pthread_attr_init (&nattr) || pthread_attr_setguardsize (&nattr, 0)) { puts ("*** pthread_attr_t setup failed"); result = 1; } memset (&ev, 0x55, sizeof (ev)); ev.sigev_notify = SIGEV_THREAD; ev.sigev_notify_function = thr2; ev.sigev_notify_attributes = &nattr; ev.sigev_value.sival_int = 111; if (timer_create (TEST_CLOCK, &ev, &timer_thr2) != 0) { printf ("*** timer_create for timer_thr2 failed: %m\n"); return 1; } int ret = timer_getoverrun (timer_thr1); if (ret != 0) { if (ret == -1) printf ("*** timer_getoverrun failed: %m\n"); else printf ("*** timer_getoverrun returned %d != 0\n", ret); result = 1; } struct itimerspec it; it.it_value.tv_sec = 0; it.it_value.tv_nsec = -26; it.it_interval.tv_sec = 0; it.it_interval.tv_nsec = 0; if (timer_settime (timer_sig1, 0, &it, NULL) == 0) { puts ("*** timer_settime with negative tv_nsec unexpectedly succeeded"); result = 1; } else if (errno != EINVAL) { printf ("*** timer_settime with negative tv_nsec did not fail with " "EINVAL: %m\n"); result = 1; } it.it_value.tv_nsec = 100000; it.it_interval.tv_nsec = 1000000000; if (timer_settime (timer_sig2, 0, &it, NULL) == 0) { puts ("\ *** timer_settime with tv_nsec 1000000000 unexpectedly succeeded"); result = 1; } else if (errno != EINVAL) { printf ("*** timer_settime with tv_nsec 1000000000 did not fail with " "EINVAL: %m\n"); result = 1; } #if 0 it.it_value.tv_nsec = 0; it.it_interval.tv_nsec = -26; if (timer_settime (timer_thr1, 0, &it, NULL) != 0) { printf ("\ !!! timer_settime with it_value 0 it_interval invalid failed: %m\n"); /* FIXME: is this mandated by POSIX? result = 1; */ } it.it_interval.tv_nsec = 3000000000; if (timer_settime (timer_thr2, 0, &it, NULL) != 0) { printf ("\ !!! timer_settime with it_value 0 it_interval invalid failed: %m\n"); /* FIXME: is this mandated by POSIX? result = 1; */ } #endif struct timespec startts; if (clock_gettime (TEST_CLOCK, &startts) != 0) { printf ("*** clock_gettime failed: %m\n"); result = 1; } it.it_value.tv_nsec = 100000000; it.it_interval.tv_nsec = 0; if (timer_settime (timer_none, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_none failed: %m\n"); result = 1; } it.it_value.tv_nsec = 200000000; if (timer_settime (timer_thr1, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_thr1 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 300000000; if (timer_settime (timer_thr2, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_thr2 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 400000000; if (timer_settime (timer_sig1, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_sig1 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 500000000; if (TEMP_FAILURE_RETRY (timer_settime (timer_sig2, 0, &it, NULL)) != 0) { printf ("*** timer_settime timer_sig2 failed: %m\n"); result = 1; } pthread_mutex_lock (&lock); while (thr1_cnt == 0 || thr2_cnt == 0) pthread_cond_wait (&cond, &lock); pthread_mutex_unlock (&lock); while (sig1_cnt == 0 || sig2_cnt == 0) { ts.tv_sec = 0; ts.tv_nsec = 100000000; nanosleep (&ts, NULL); } pthread_mutex_lock (&lock); if (thr1_cnt != 1) { printf ("*** thr1 not called exactly once, but %d times\n", thr1_cnt); result = 1; } else if (thr1_err) { puts ("*** an error occurred in thr1"); result = 1; } else if (thr1_sigval.sival_ptr != &ev) { printf ("*** thr1_sigval.sival_ptr %p != %p\n", thr1_sigval.sival_ptr, &ev); result = 1; } else if (check_ts ("thr1", &startts, &thr1_ts, 200000)) result = 1; if (thr2_cnt != 1) { printf ("*** thr2 not called exactly once, but %d times\n", thr2_cnt); result = 1; } else if (thr2_err) { puts ("*** an error occurred in thr2"); result = 1; } else if (thr2_sigval.sival_int != 111) { printf ("*** thr2_sigval.sival_ptr %d != 111\n", thr2_sigval.sival_int); result = 1; } else if (check_ts ("thr2", &startts, &thr2_ts, 300000)) result = 1; else if (thr2_guardsize != 0) { printf ("*** thr2 guardsize %zd != 0\n", thr2_guardsize); result = 1; } pthread_mutex_unlock (&lock); if (sig1_cnt != 1) { printf ("*** sig1 not called exactly once, but %d times\n", sig1_cnt); result = 1; } else if (sig1_err) { printf ("*** errors occurred in sig1 handler %x\n", sig1_err); result = 1; } else if (sig1_sigval.sival_ptr != &ev) { printf ("*** sig1_sigval.sival_ptr %p != %p\n", sig1_sigval.sival_ptr, &ev); result = 1; } else if (check_ts ("sig1", &startts, &sig1_ts, 400000)) result = 1; if (sig2_cnt != 1) { printf ("*** sig2 not called exactly once, but %d times\n", sig2_cnt); result = 1; } else if (sig2_err) { printf ("*** errors occurred in sig2 handler %x\n", sig2_err); result = 1; } else if (sig2_sigval.sival_int != 163) { printf ("*** sig2_sigval.sival_ptr %d != 163\n", sig2_sigval.sival_int); result = 1; } else if (check_ts ("sig2", &startts, &sig2_ts, 500000)) result = 1; if (timer_gettime (timer_none, &it) != 0) { printf ("*** timer_gettime timer_none failed: %m\n"); result = 1; } else if (it.it_value.tv_sec || it.it_value.tv_nsec || it.it_interval.tv_sec || it.it_interval.tv_nsec) { printf ("\ *** timer_gettime timer_none returned { %ld.%09ld, %ld.%09ld }\n", (long) it.it_value.tv_sec, it.it_value.tv_nsec, (long) it.it_interval.tv_sec, it.it_interval.tv_nsec); result = 1; } if (clock_gettime (TEST_CLOCK, &startts) != 0) { printf ("*** clock_gettime failed: %m\n"); result = 1; } it.it_value.tv_sec = 1; it.it_value.tv_nsec = 0; it.it_interval.tv_sec = 0; it.it_interval.tv_nsec = 100000000; if (timer_settime (timer_none, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_none failed: %m\n"); result = 1; } it.it_value.tv_nsec = 100000000; it.it_interval.tv_nsec = 200000000; if (timer_settime (timer_thr1, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_thr1 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 200000000; it.it_interval.tv_nsec = 300000000; if (timer_settime (timer_thr2, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_thr2 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 300000000; it.it_interval.tv_nsec = 400000000; if (timer_settime (timer_sig1, 0, &it, NULL) != 0) { printf ("*** timer_settime timer_sig1 failed: %m\n"); result = 1; } it.it_value.tv_nsec = 400000000; it.it_interval.tv_nsec = 500000000; if (TEMP_FAILURE_RETRY (timer_settime (timer_sig2, 0, &it, NULL)) != 0) { printf ("*** timer_settime timer_sig2 failed: %m\n"); result = 1; } pthread_mutex_lock (&lock); while (thr1_cnt < 6 || thr2_cnt < 6) pthread_cond_wait (&cond, &lock); pthread_mutex_unlock (&lock); while (sig1_cnt < 6 || sig2_cnt < 6) { ts.tv_sec = 0; ts.tv_nsec = 100000000; nanosleep (&ts, NULL); } pthread_mutex_lock (&lock); if (thr1_err) { puts ("*** an error occurred in thr1"); result = 1; } else if (check_ts ("thr1", &startts, &thr1_ts, 1100000 + 4 * 200000)) result = 1; if (thr2_err) { puts ("*** an error occurred in thr2"); result = 1; } else if (check_ts ("thr2", &startts, &thr2_ts, 1200000 + 4 * 300000)) result = 1; else if (thr2_guardsize != 0) { printf ("*** thr2 guardsize %zd != 0\n", thr2_guardsize); result = 1; } pthread_mutex_unlock (&lock); if (sig1_err) { printf ("*** errors occurred in sig1 handler %x\n", sig1_err); result = 1; } else if (check_ts ("sig1", &startts, &sig1_ts, 1300000 + 4 * 400000)) result = 1; if (sig2_err) { printf ("*** errors occurred in sig2 handler %x\n", sig2_err); result = 1; } else if (check_ts ("sig2", &startts, &sig2_ts, 1400000 + 4 * 500000)) result = 1; if (timer_gettime (timer_none, &it) != 0) { printf ("*** timer_gettime timer_none failed: %m\n"); result = 1; } else if (it.it_interval.tv_sec || it.it_interval.tv_nsec != 100000000) { printf ("\ !!! second timer_gettime timer_none returned it_interval %ld.%09ld\n", (long) it.it_interval.tv_sec, it.it_interval.tv_nsec); /* FIXME: For now disabled. result = 1; */ } if (timer_delete (timer_none) != 0) { printf ("*** timer_delete for timer_none failed: %m\n"); result = 1; } if (timer_delete (timer_sig1) != 0) { printf ("*** timer_delete for timer_sig1 failed: %m\n"); result = 1; } if (timer_delete (timer_sig2) != 0) { printf ("*** timer_delete for timer_sig2 failed: %m\n"); result = 1; } if (timer_delete (timer_thr1) != 0) { printf ("*** timer_delete for timer_thr1 failed: %m\n"); result = 1; } if (timer_delete (timer_thr2) != 0) { printf ("*** timer_delete for timer_thr2 failed: %m\n"); result = 1; } return result; } #else # define TEST_FUNCTION 0 #endif #include "../test-skeleton.c" |