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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 | #include <asl.h> #include <assert.h> #include <fcntl.h> #include <pthread.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <unistd.h> #include <libproc.h> #include <mach/mach.h> #include <mach/mach_types.h> #include <mach/mach_vm.h> #include <mach/shared_region.h> #include <mach/task_info.h> #include <mach/vm_map.h> #include <mach/vm_page_size.h> /* Needed for vm_region info */ #include <sys/event.h> #include <sys/ipc.h> #include <sys/kern_memorystatus.h> #include <sys/mman.h> #include <sys/shm.h> #include <sys/stat.h> #include <sys/sysctl.h> #include <sys/wait.h> #include <xpc/xpc.h> #include <xpc/private.h> #include <CoreFoundation/CoreFoundation.h> #include <Security/Security.h> #include <ServiceManagement/ServiceManagement.h> #include <ServiceManagement/SMErrors.h> #include <Kernel/kern/ledger.h> #include <sys/spawn_internal.h> #include <spawn_private.h> #define CR_JOB "com.apple.ReportCrash.Jetsam" #define CR_JOB_PLIST_PATH "/System/Library/LaunchDaemons/com.apple.ReportCrash.Jetsam.plist" #define ERR_BUF_LEN 1024 #ifndef VM_PAGE_SIZE #define VM_PAGE_SIZE 4096 #endif #define TASK_LIMIT_MB 75 #define HWM_LIMIT_MB 8 /* * Blob of data that is not easily compressed. * Guaranteed during setup to be at least * RANDOM_DATA_SIZE in length. */ #define RANDOM_DATA_SIZE 4096 char random_data[] = "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"; /* * TODO: import header (currently vm_pageout.h) without pulling in extraneous definitions; * see <rdar://problem/13374916>. */ #ifndef VM_PAGER_FREEZER_DEFAULT #define VM_PAGER_FREEZER_DEFAULT 0x8 /* Freezer backed by default pager.*/ #endif /* * Special note to ourselves: the jetsam cause to look out for is *either* * a high watermark kill, *or* a per-process kill. */ #define CAUSE_HIWAT_OR_PERPROC -1 typedef enum jetsam_test { kSimpleJetsamTest = 1, kCustomTaskLimitTest, kPressureJetsamTestFG, kPressureJetsamTestBG, kHighwaterJetsamTest, kVnodeJetsamTest, kBackgroundJetsamTest } jetsam_test_t; typedef enum idle_exit_test { kDeferTimeoutCleanTest = 1, kDeferTimeoutDirtyTest, kCancelTimeoutCleanTest, kCancelTimeoutDirtyTest } idle_exit_test_t; typedef struct shared_mem_t { pthread_mutex_t mutex; pthread_cond_t cv; boolean_t completed; boolean_t pressure_event_fired; boolean_t child_failed; } shared_mem_t; shared_mem_t *g_shared = NULL; unsigned long g_physmem = 0; int g_compressor_mode=0; int g_ledger_count = -1, g_footprint_index = -1; int64_t g_per_process_limit = -1; /* * g_exit_status: * Holds the PASS/FAIL status of the memorystatus * test run as a whole. * e.g: If one subtest reports failure, the entire * test run reports failure. * * PASS: returns 0 (default) * FAIL: returns -1 * * The only time the g_exit_status changes state * is when printTestResult() reports a FAIL status. */ int g_exit_status = 0; extern int ledger(int cmd, caddr_t arg1, caddr_t arg2, caddr_t arg3); static boolean_t check_properties(pid_t pid, int32_t requested_priority, int32_t requested_limit_mb, uint64_t requested_user_data, const char *test); /* Utilities. */ static void printTestHeader(pid_t testPid, const char *testName, ...) { va_list va; printf("========================================\n"); printf("[TEST] "); va_start(va, testName); vprintf(testName, va); va_end(va); printf("\n"); printf("[PID] %d\n", testPid); printf("========================================\n"); printf("[BEGIN]\n"); fflush(stdout); } static void printTestResult(const char *testName, boolean_t didPass, const char *msg, ...) { if (msg != NULL) { va_list va; printf("\t\t"); va_start(va, msg); vprintf(msg, va); va_end(va); printf("\n"); } if (didPass) { printf("[PASS]\t%s\n\n", testName); } else { printf("[FAIL]\t%s\n\n", testName); /* Any single failure, fails full test run */ g_exit_status = -1; } fflush(stdout); } static int _get_munch_interval(int given_interval) { int res; int new_interval=0; char *slow_device; char model_name_buf[1025]; size_t mnb_size = 1024; res = sysctlbyname("hw.model", model_name_buf, &mnb_size, NULL, 0); if (res) { perror("\t\tsysctlbyname(hw.model...)"); } else { /* see if we're a slow device (N90, K66, J33) */ slow_device = strstr(model_name_buf, "N90"); if (slow_device == NULL) { slow_device = strstr(model_name_buf, "K66"); } if (slow_device == NULL) { slow_device = strstr(model_name_buf, "J33"); } if (slow_device != NULL) { printf("\t\tRunning on a slow device...\n"); } if (given_interval == 0) { if (slow_device != NULL) { new_interval = 500 * 1000; /* want sleep time in microseconds */ } else { new_interval = 100 * 1000;/* want sleep time in microseconds */ } } else { new_interval = given_interval * USEC_PER_SEC; } } return new_interval; } static CFDictionaryRef create_dictionary_from_plist(const char *path) { void *bytes = NULL; CFDataRef data = NULL; CFDictionaryRef options = NULL; size_t bufLen; int fd = open(path, O_RDONLY, 0); if (fd == -1) { goto exit; } struct stat sb; if (fstat(fd, &sb) == -1) { goto exit; } bufLen = (size_t)sb.st_size; bytes = malloc(bufLen); if (bytes == NULL) { goto exit; } if (read(fd, bytes, bufLen) != bufLen) { goto exit; } data = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, (const UInt8 *) bytes, bufLen, kCFAllocatorNull); if (data == NULL) { goto exit; } options = (CFDictionaryRef) CFPropertyListCreateWithData(kCFAllocatorDefault, data, kCFPropertyListImmutable, NULL, NULL); if (options == NULL) { goto exit; } exit: if (data != NULL) { CFRelease(data); } if (bytes != NULL) { free(bytes); } if (fd != -1) { close(fd); } return options; } /* * cleanup_and_exit(): * The parent process can call this routine to exit or abort * the test run at any time. * * The child process on the other hand should not call this routine. * Be mindful about how re-enabling the crashreporter can affect tests * further down the line. */ static void cleanup_and_exit(int status) { /* Exit. Pretty literal. */ exit(status); } /* * child_ready(): * After a child process takes care of its inital setup, it * synchronizes back to the parent using this call. * * If the child process experiences a failure during its * intial setup, it should abort using a standard exit * routine, leaving crashreporter cleanup to the parent. * * The child should never call cleanup_and_exit(). * That's for the parent only. */ static void child_ready() { pthread_mutex_lock(&g_shared->mutex); pthread_cond_signal(&g_shared->cv); pthread_mutex_unlock(&g_shared->mutex); } static pid_t init_and_fork() { int pid; g_shared->completed = 0; g_shared->pressure_event_fired = 0; pthread_mutex_lock(&g_shared->mutex); pid = fork(); if (pid == 0) { return 0; } else if (pid == -1) { printTestResult(__func__, false, "Fork error!"); cleanup_and_exit(-1); } /* Wait for child's signal */ pthread_cond_wait(&g_shared->cv, &g_shared->mutex); pthread_mutex_unlock(&g_shared->mutex); return (pid_t)pid; } static memorystatus_priority_entry_t *get_priority_list(int *size) { memorystatus_priority_entry_t *list = NULL; assert(size); *size = memorystatus_control(MEMORYSTATUS_CMD_GET_PRIORITY_LIST, 0, 0, NULL, 0); if (*size <= 0) { printf("\t\tCan't get list size: %d!\n", *size); goto exit; } list = (memorystatus_priority_entry_t*)malloc(*size); if (!list) { printf("\t\tCan't allocate list!\n"); goto exit; } *size = memorystatus_control(MEMORYSTATUS_CMD_GET_PRIORITY_LIST, 0, 0, list, *size); if (*size <= 0) { printf("\t\tCan't retrieve list!\n"); goto exit; } exit: return list; } /* Tests */ static boolean_t get_ledger_info(pid_t pid, int64_t *balance_mb, int64_t *limit_mb) { struct ledger_entry_info *lei; uint64_t count; boolean_t res = false; lei = (struct ledger_entry_info *)malloc((size_t)(g_ledger_count * sizeof (*lei))); if (lei) { void *arg; arg = (void *)(long)pid; count = g_ledger_count; if ((ledger(LEDGER_ENTRY_INFO, arg, (caddr_t)lei, (caddr_t)&count) >= 0) && (g_footprint_index < count)) { if (balance_mb) { *balance_mb = lei[g_footprint_index].lei_balance; } if (limit_mb) { *limit_mb = lei[g_footprint_index].lei_limit; } res = true; } free(lei); } return res; } static boolean_t get_priority_props(pid_t pid, int32_t *priority, int32_t *limit_mb, uint64_t *user_data) { int size; memorystatus_priority_entry_t *entries = NULL; int i; boolean_t res = false; entries = get_priority_list(&size); if (!entries) { goto exit; } /* Locate */ for (i = 0; i < size/sizeof(memorystatus_priority_entry_t); i++ ){ if (entries[i].pid == pid) { int64_t limit; *priority = entries[i].priority; *user_data = entries[i].user_data; #if 1 *limit_mb = entries[i].limit; res = true; #else res = get_ledger_info(entries[i].pid, NULL, &limit); if (false == res) { printf("Failed to get highwater!\n"); } /* The limit is retrieved in bytes, but set in MB, so rescale */ *limit_mb = (int32_t)(limit/(1024 * 1024)); #endif goto exit; } } printf("\t\tCan't find pid: %d!\n", pid); exit: if (entries) free(entries); return res; } static boolean_t check_properties(pid_t pid, int32_t requested_priority, int32_t requested_limit_mb, uint64_t requested_user_data, const char *test) { const char *PROP_GET_ERROR_STRING = "failed to get properties"; const char *PROP_CHECK_ERROR_STRING = "property mismatch"; int32_t actual_priority, actual_hiwat; uint64_t actual_user_data; if (!get_priority_props(pid, &actual_priority, &actual_hiwat, &actual_user_data)) { printf("\t\t%s test failed: %s\n", test, PROP_GET_ERROR_STRING); return false; } /* -1 really means the default per-process limit, which varies per device */ if (requested_limit_mb <= 0) { requested_limit_mb = (int32_t)g_per_process_limit; } if (actual_priority != requested_priority || actual_hiwat != requested_limit_mb || actual_user_data != requested_user_data) { printf("\t\t%s test failed: %s\n", test, PROP_CHECK_ERROR_STRING); printf("priority is %d, should be %d\n", actual_priority, requested_priority); printf("hiwat is %d, should be %d\n", actual_hiwat, requested_limit_mb); printf("user data is 0x%llx, should be 0x%llx\n", actual_user_data, requested_user_data); return false; } printf("\t\t%s test ok...\n", test); return true; } static void start_list_validation_test() { int size; memorystatus_priority_entry_t *entries = NULL; int i; boolean_t valid = false; printTestHeader(getpid(), "List validation test"); entries = get_priority_list(&size); if (!entries) { printf("Can't get entries!\n"); goto exit; } /* Validate */ for (i = 0; i < size/sizeof(memorystatus_priority_entry_t); i++ ) { int dirty_ret; uint32_t dirty_flags; /* Make sure launchd isn't in the list - <rdar://problem/13168754> */ if (entries[i].pid <= 1) { printf("\t\tBad process (%d) in list!\n", entries[i].pid); goto exit; } /* Sanity check idle exit state */ dirty_ret = proc_get_dirty(entries[i].pid, &dirty_flags); if (dirty_ret != 0) { dirty_flags = 0; } if (dirty_flags & PROC_DIRTY_ALLOWS_IDLE_EXIT) { /* Check that the process isn't at idle priority when dirty */ if ((entries[i].priority == JETSAM_PRIORITY_IDLE) && (dirty_flags & PROC_DIRTY_IS_DIRTY)) { printf("\t\tProcess %d at idle priority when dirty (priority %d, flags 0x%x)!\n", entries[i].pid, entries[i].priority, dirty_flags); goto exit; } /* Check that the process is at idle (or deferred) priority when clean. */ if ((entries[i].priority > JETSAM_PRIORITY_IDLE_DEFERRED) && !(dirty_flags & PROC_DIRTY_IS_DIRTY)) { printf("\t\tProcess %d not at non-idle priority when clean(priority %d, flags 0x%x)\n", entries[i].pid, entries[i].priority, dirty_flags); goto exit; } } } valid = true; exit: if (entries) free(entries); printTestResult("List validation test", valid, NULL); } /* Random individual tests */ static void start_general_sanity_test() { int ret, size; int i; boolean_t valid = false; /* * The sanity test checks for permission failures * against P_MEMSTAT_INTERNAL processes. * Currently only launchd (pid==1) qualifies. */ printTestHeader(getpid(), "Sanity test"); /* Ensure that launchd's transaction state is fixed */ ret = proc_track_dirty(1, PROC_DIRTY_TRACK | PROC_DIRTY_ALLOW_IDLE_EXIT | PROC_DIRTY_DEFER); if (ret != EPERM) { printf("\t\tNo EPERM tracking launchd (%d/%d)!\n", ret, errno); goto exit; } else { printf("\t\tlaunchd track test OK!\n"); } ret = proc_set_dirty(1, true); if (ret != EPERM) { printf("\t\tNo EPERM setting launchd dirty state (%d/%d)!\n", ret, errno); goto exit; } else { printf("\t\tlaunchd dirty test OK!\n"); } valid = true; exit: printTestResult("Sanity test", valid, NULL); } static void idle_exit_deferral_test(idle_exit_test_t test) { int secs = DEFERRED_IDLE_EXIT_TIME_SECS; child_ready(); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#1 - pre xpc_track_activity()")) { goto exit; } proc_track_dirty(getpid(), PROC_DIRTY_TRACK | PROC_DIRTY_ALLOW_IDLE_EXIT | PROC_DIRTY_DEFER); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE_DEFERRED, -1, 0x0, "#2 - post xpc_track_activity()")) { goto exit; } /* Toggle */ proc_set_dirty(getpid(), true); proc_set_dirty(getpid(), false); proc_set_dirty(getpid(), true); proc_set_dirty(getpid(), false); switch (test) { case kDeferTimeoutCleanTest: if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE_DEFERRED, -1, 0x0, "#3 - post toggle")) { goto exit; } /* Approximate transition check */ sleep(secs - 1); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE_DEFERRED, -1, 0x0, "#4 - pre timeout")) { goto exit; } sleep(2); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#5 - post timeout")) { goto exit; } proc_set_dirty(getpid(), true); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#6 - post dirty")) { goto exit; } proc_set_dirty(getpid(), false); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#7 - post clean")) { goto exit; } break; case kDeferTimeoutDirtyTest: proc_set_dirty(getpid(), true); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#3 - post dirty")) { goto exit; } /* Approximate transition check */ sleep(secs - 1); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#4 - pre timeout")) { goto exit; } sleep(2); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#5 - post timeout")) { goto exit; } proc_set_dirty(getpid(), false); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#6 - post clean")) { goto exit; } break; case kCancelTimeoutDirtyTest: proc_set_dirty(getpid(), true); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#3 - post toggle")) { goto exit; } proc_clear_dirty(getpid(), PROC_DIRTY_DEFER); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#4 - post deferral cancellation")) { goto exit; } proc_set_dirty(getpid(), false); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#5 - post toggle")) { goto exit; } break; case kCancelTimeoutCleanTest: if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE_DEFERRED, -1, 0x0, "#3 - post toggle")) { goto exit; } proc_clear_dirty(getpid(), PROC_DIRTY_DEFER); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#4 - post deferral cancellation")) { goto exit; } proc_set_dirty(getpid(), true); if (!check_properties(getpid(), JETSAM_PRIORITY_DEFAULT, -1, 0x0, "#5 - post dirty")) { goto exit; } proc_set_dirty(getpid(), false); if (!check_properties(getpid(), JETSAM_PRIORITY_IDLE, -1, 0x0, "#6 - post clean")) { goto exit; } break; } g_shared->completed = 1; exit(0); exit: printTestResult(__func__, false, "Something bad happened..."); exit(-1); } static void start_idle_exit_defer_test(idle_exit_test_t test) { pid_t pid; int status; /* Reset */ memset(g_shared, 0, sizeof(shared_mem_t)); pid = init_and_fork(); if (pid == 0) { idle_exit_deferral_test(test); } else { printTestHeader(pid, "Idle exit deferral test: %d", test); } /* Wait for exit */ waitpid(pid, &status, 0); /* Idle exit not reported on embedded */ // wait_for_exit_event(pid, kMemorystatusKilledIdleExit); printTestResult("Idle exit deferral test", g_shared->completed, NULL); } static void ledger_init(void) { const char *physFootprintName = "phys_footprint"; struct ledger_info li; int64_t template_cnt; struct ledger_template_info *templateInfo; void *arg; int i; /* Grab ledger entries */ arg = (void *)(long)getpid(); if (ledger(LEDGER_INFO, arg, (caddr_t)&li, NULL) < 0) { exit(-1); } g_ledger_count = template_cnt = li.li_entries; templateInfo = malloc(template_cnt * sizeof (struct ledger_template_info)); if (templateInfo == NULL) { exit (-1); } if (!(ledger(LEDGER_TEMPLATE_INFO, (caddr_t)templateInfo, (caddr_t)&template_cnt, NULL) < 0)) { for (i = 0; i < template_cnt; i++) { if (!strncmp(templateInfo[i].lti_name, physFootprintName, strlen(physFootprintName))) { g_footprint_index = i; break; } } } free(templateInfo); } static void run_tests(const char *path) { /* Embedded-only */ #pragma unused(path) /* Generic */ start_general_sanity_test(); start_list_validation_test(); start_idle_exit_defer_test(kDeferTimeoutCleanTest); start_idle_exit_defer_test(kDeferTimeoutDirtyTest); start_idle_exit_defer_test(kCancelTimeoutCleanTest); start_idle_exit_defer_test(kCancelTimeoutDirtyTest); } int main(int argc, char **argv) { pthread_mutexattr_t attr; pthread_condattr_t cattr; size_t size; /* Must be run as root for priority retrieval */ if (getuid() != 0) { fprintf(stderr, "%s must be run as root.\n", getprogname()); exit(EXIT_FAILURE); } /* Memory */ size = sizeof(g_physmem); if (sysctlbyname("hw.physmem", &g_physmem, &size, NULL, 0) != 0 || !g_physmem) { printTestResult(__func__, false, "Failed to retrieve system memory"); cleanup_and_exit(-1); } /* VM Compressor Mode */ size = sizeof(g_compressor_mode); if (sysctlbyname("vm.compressor_mode", &g_compressor_mode, &size, NULL, 0) != 0) { printTestResult(__func__, false, "Failed to retrieve compressor config"); cleanup_and_exit(-1); } /* Ledger; default limit applies to this process, so grab it here */ ledger_init(); if ((-1 == g_ledger_count) || (-1 == g_footprint_index) || (false == get_ledger_info(getpid(), NULL, &g_per_process_limit))) { printTestResult("setup", false, "Unable to init ledger!\n"); cleanup_and_exit(-1); } if (g_per_process_limit == LEDGER_LIMIT_INFINITY) { g_per_process_limit = 0; } else { /* Rescale to MB */ g_per_process_limit /= (1024 * 1024); } /* Shared memory */ g_shared = mmap(NULL, sizeof(shared_mem_t), PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, 0, 0); if (!g_shared) { printTestResult(__func__, false, "Failed mmap"); cleanup_and_exit(-1); } /* Guarantee size of random_data buffer */ if (sizeof(random_data) < RANDOM_DATA_SIZE) { printTestResult(__func__, false, "Failed to guarantee random_data buffer size [expected %d, actual %d]", RANDOM_DATA_SIZE, sizeof(random_data)); cleanup_and_exit(-1); } pthread_mutexattr_init(&attr); pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED ); pthread_condattr_init(&cattr); pthread_condattr_setpshared(&cattr, PTHREAD_PROCESS_SHARED); if (pthread_mutex_init(&g_shared->mutex, &attr) || pthread_cond_init(&g_shared->cv, &cattr)) { printTestResult("setup", false, "Unable to init condition variable!"); cleanup_and_exit(-1); } run_tests(argv[0]); /* Teardown */ pthread_mutex_destroy(&g_shared->mutex); pthread_cond_destroy(&g_shared->cv); pthread_mutexattr_destroy(&attr); pthread_condattr_destroy(&cattr); return (g_exit_status); /* exit status 0 on success, -1 on failure */ } |