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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 | /* * tests.c * xnu_quick_test * * Created by Jerry Cottingham on 3/25/05. * Copyright 2005 Apple Computer Inc. All rights reserved. * */ #include "tests.h" #include <pthread.h> #include <assert.h> #include <sys/event.h> /* for kqueue tests */ #include <sys/sysctl.h> /* for determining hw */ #include <mach/mach.h> #include <AvailabilityMacros.h> /* for determination of Mac OS X version (tiger, leopard, etc.) */ #include <libkern/OSByteOrder.h> /* for OSSwap32() */ extern char g_target_path[ PATH_MAX ]; extern int g_skip_setuid_tests; int msg_count = 14; int last_msg_seen = 0; pthread_cond_t my_cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t my_mutex = PTHREAD_MUTEX_INITIALIZER; static kern_return_t kmsg_send(mach_port_t remote_port, int index) { int msgh_id = 1000 + index; kern_return_t my_kr; mach_msg_header_t * my_kmsg = NULL; mach_msg_size_t size = sizeof(mach_msg_header_t) + sizeof(int)*index; my_kr = vm_allocate( mach_task_self(), (vm_address_t *)&my_kmsg, size, VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE ); if (my_kr != KERN_SUCCESS) return my_kr; my_kmsg->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0); my_kmsg->msgh_size = size; my_kmsg->msgh_remote_port = remote_port; my_kmsg->msgh_local_port = MACH_PORT_NULL; my_kmsg->msgh_reserved = 0; my_kmsg->msgh_id = msgh_id; my_kr = mach_msg( my_kmsg, MACH_SEND_MSG | MACH_MSG_OPTION_NONE, size, 0, /* receive size */ MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL ); vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, size ); return my_kr; } static kern_return_t kmsg_recv(mach_port_t portset, mach_port_t port, int * msgh_id_return) { kern_return_t my_kr; mach_msg_header_t * my_kmsg = NULL; my_kr = vm_allocate( mach_task_self(), (vm_address_t *)&my_kmsg, PAGE_SIZE, VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE ); if (my_kr != KERN_SUCCESS) return my_kr; my_kr = mach_msg( my_kmsg, MACH_RCV_MSG | MACH_MSG_OPTION_NONE, 0, /* send size */ PAGE_SIZE, /* receive size */ port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL ); if ( my_kr == KERN_SUCCESS && msgh_id_return != NULL ) *msgh_id_return = my_kmsg->msgh_id; vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, PAGE_SIZE ); return my_kr; } static void * kmsg_consumer_thread(void * arg) { #if !TARGET_OS_EMBEDDED int my_kqueue = *(int *)arg; int my_err; kern_return_t my_kr; struct kevent my_keventv[3]; int msgid; EV_SET( &my_keventv[0], 0, 0, 0, 0, 0, 0 ); while ( !(my_keventv[0].filter == EVFILT_USER && my_keventv[0].ident == 0)) { /* keep getting events */ my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL ); if ( my_err == -1 ) { printf( "kevent call from consumer thread failed with error %d - \"%s\" \n", errno, strerror( errno) ); return (void *)-1; } if ( my_err == 0 ) { printf( "kevent call from consumer thread did not return any events when it should have \n" ); return (void *)-1; } if ( my_keventv[0].filter == EVFILT_MACHPORT ) { if ( my_keventv[0].data == 0 ) { printf( "kevent call to get machport event returned 0 msg_size \n" ); return (void *)-1; } my_kr = kmsg_recv( my_keventv[0].ident, my_keventv[0].data, &msgid ); if ( my_kr != KERN_SUCCESS ) { printf( "kmsg_recv failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); return (void *)-1; } my_keventv[0].flags = EV_ENABLE; my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL ); if ( my_err == -1 ) { printf( "kevent call to re-enable machport events failed with error %d - \"%s\" \n", errno, strerror( errno) ); return (void *)-1; } if (msgid == 1000 + msg_count) { pthread_mutex_lock(&my_mutex); last_msg_seen = 1; pthread_cond_signal(&my_cond); pthread_mutex_unlock(&my_mutex); } } } return (void *)0; #else printf( "\t--> Not supported on EMBEDDED TARGET\n" ); return (void *)0; #endif } /* ************************************************************************************************************** * Test kevent, kqueue system calls. * ************************************************************************************************************** */ int kqueue_tests( void * the_argp ) { int my_err, my_status; void *my_pthread_join_status; int my_kqueue = -1; int my_kqueue64 = -1; int my_fd = -1; char * my_pathp = NULL; pid_t my_pid, my_wait_pid; size_t my_count, my_index; int my_sockets[ 2 ] = {-1, -1}; struct kevent my_keventv[3]; #if !TARGET_OS_EMBEDDED struct kevent64_s my_kevent64; #endif struct timespec my_timeout; char my_buffer[ 16 ]; kern_return_t kr; kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_pathp, PATH_MAX, VM_FLAGS_ANYWHERE); if(kr != KERN_SUCCESS){ printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } *my_pathp = 0x00; strcat( my_pathp, &g_target_path[0] ); strcat( my_pathp, "/" ); /* create a test file */ my_err = create_random_name( my_pathp, 1 ); if ( my_err != 0 ) { goto test_failed_exit; } my_fd = open( my_pathp, O_RDWR, 0 ); if ( my_fd == -1 ) { printf( "open call failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } my_err = socketpair( AF_UNIX, SOCK_STREAM, 0, &my_sockets[0] ); if ( my_err == -1 ) { printf( "socketpair failed with errno %d - %s \n", errno, strerror( errno ) ); goto test_failed_exit; } /* fork here and use pipe to communicate */ my_pid = fork( ); if ( my_pid == -1 ) { printf( "fork failed with errno %d - %s \n", errno, strerror( errno ) ); goto test_failed_exit; } else if ( my_pid == 0 ) { /* * child process - tell parent we are ready to go. */ my_count = write( my_sockets[1], "r", 1 ); if ( my_count == -1 ) { printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) ); exit( -1 ); } my_count = read( my_sockets[1], &my_buffer[0], 1 ); if ( my_count == -1 ) { printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) ); exit( -1 ); } if ( my_buffer[0] != 'g' ) { printf( "read call on socket failed to get \"all done\" message \n" ); exit( -1 ); } /* now do some work that will trigger events our parent will track */ my_count = write( my_fd, "11111111", 8 ); if ( my_count == -1 ) { printf( "write call failed with error %d - \"%s\" \n", errno, strerror( errno) ); exit( -1 ); } my_err = unlink( my_pathp ); if ( my_err == -1 ) { printf( "unlink failed with error %d - \"%s\" \n", errno, strerror( errno) ); exit( -1 ); } /* wait for parent to tell us to exit */ my_count = read( my_sockets[1], &my_buffer[0], 1 ); if ( my_count == -1 ) { printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) ); exit( -1 ); } if ( my_buffer[0] != 'e' ) { printf( "read call on socket failed to get \"all done\" message \n" ); exit( -1 ); } exit(0); } /* parent process - wait for child to spin up */ my_count = read( my_sockets[0], &my_buffer[0], sizeof(my_buffer) ); if ( my_count == -1 ) { printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } if ( my_buffer[0] != 'r' ) { printf( "read call on socket failed to get \"ready to go message\" \n" ); goto test_failed_exit; } /* set up a kqueue and register for some events */ my_kqueue = kqueue( ); if ( my_kqueue == -1 ) { printf( "kqueue call failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } /* look for our test file to get unlinked or written to */ EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_ADD | EV_CLEAR), (NOTE_DELETE | NOTE_WRITE), 0, 0 ); /* also keep an eye on our child process while we're at it */ EV_SET( &my_keventv[1], my_pid, EVFILT_PROC, (EV_ADD | EV_ONESHOT), NOTE_EXIT, 0, 0 ); my_timeout.tv_sec = 0; my_timeout.tv_nsec = 0; my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, &my_timeout); if ( my_err == -1 ) { printf( "kevent call to register events failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } #if !TARGET_OS_EMBEDDED /* use kevent64 to test EVFILT_PROC */ EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 ); my_err = kevent64( my_kqueue, &my_kevent64, 1, NULL, 0, 0, 0); if ( my_err != -1 && errno != EINVAL ) { printf( "kevent64 call should fail with kqueue used for kevent() - %d\n", my_err); goto test_failed_exit; } my_kqueue64 = kqueue(); EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 ); my_err = kevent64( my_kqueue64, &my_kevent64, 1, NULL, 0, 0, 0); if ( my_err == -1 ) { printf( "kevent64 call to get proc exit failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } #endif /* tell child to get to work */ my_count = write( my_sockets[0], "g", 1 ); if ( my_count == -1 ) { printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) ); goto test_failed_exit; } /* go get vnode events */ EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_CLEAR), 0, 0, 0 ); my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL ); if ( my_err == -1 ) { printf( "kevent call to get vnode events failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } if ( my_err == 0 ) { printf( "kevent call to get vnode events did not return any when it should have \n" ); goto test_failed_exit; } if ( (my_keventv[0].fflags & (NOTE_DELETE | NOTE_WRITE)) == 0 ) { printf( "kevent call to get vnode events did not return NOTE_DELETE or NOTE_WRITE \n" ); printf( "fflags 0x%02X \n", my_keventv[0].fflags ); goto test_failed_exit; } /* tell child to exit */ my_count = write( my_sockets[0], "e", 1 ); if ( my_count == -1 ) { printf( "write call failed. got errno %d - %s. \n", errno, strerror( errno ) ); goto test_failed_exit; } /* look for child exit notification after unregistering for vnode events */ EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, EV_DELETE, 0, 0, 0 ); my_err = kevent( my_kqueue, my_keventv, 1, my_keventv, 1, NULL ); if ( my_err == -1 ) { printf( "kevent call to get proc exit event failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } if ( my_err == 0 ) { printf( "kevent call to get proc exit event did not return any when it should have \n" ); goto test_failed_exit; } if ( my_keventv[0].filter != EVFILT_PROC ) { printf( "kevent call to get proc exit event did not return EVFILT_PROC \n" ); printf( "filter %i \n", my_keventv[0].filter ); goto test_failed_exit; } if ( (my_keventv[0].fflags & NOTE_EXIT) == 0 ) { printf( "kevent call to get proc exit event did not return NOTE_EXIT \n" ); printf( "fflags 0x%02X \n", my_keventv[0].fflags ); goto test_failed_exit; } #if !TARGET_OS_EMBEDDED /* look for child exit notification on the kevent64 kqueue */ EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_CLEAR, NOTE_EXIT, 0, 0, 0, 0 ); my_err = kevent64( my_kqueue64, NULL, 0, &my_kevent64, 1, 0, 0); if ( my_err == -1 ) { printf( "kevent64 call to get child exit failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } if ( my_err == 0 ) { printf( "kevent64 call to get proc exit event did not return any when it should have \n" ); goto test_failed_exit; } if ( my_kevent64.filter != EVFILT_PROC ) { printf( "kevent64 call to get proc exit event did not return EVFILT_PROC \n" ); printf( "filter %i \n", my_kevent64.filter ); goto test_failed_exit; } if ( (my_kevent64.fflags & NOTE_EXIT) == 0 ) { printf( "kevent64 call to get proc exit event did not return NOTE_EXIT \n" ); printf( "fflags 0x%02X \n", my_kevent64.fflags ); goto test_failed_exit; } my_wait_pid = wait4( my_pid, &my_status, 0, NULL ); if ( my_wait_pid == -1 ) { printf( "wait4 failed with errno %d - %s \n", errno, strerror( errno ) ); goto test_failed_exit; } /* wait4 should return our child's pid when it exits */ if ( my_wait_pid != my_pid ) { printf( "wait4 did not return child pid - returned %d should be %d \n", my_wait_pid, my_pid ); goto test_failed_exit; } if ( WIFEXITED( my_status ) && WEXITSTATUS( my_status ) != 0 ) { printf( "wait4 returned wrong exit status - 0x%02X \n", my_status ); goto test_failed_exit; } /* now try out EVFILT_MACHPORT and EVFILT_USER */ mach_port_t my_pset = MACH_PORT_NULL; mach_port_t my_port = MACH_PORT_NULL; kern_return_t my_kr; my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &my_pset ); if ( my_kr != KERN_SUCCESS ) { printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &my_port ); if ( my_kr != KERN_SUCCESS ) { printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } /* try to register for events on my_port directly -- this should fail */ EV_SET( &my_keventv[0], my_port, EVFILT_MACHPORT, (EV_ADD | EV_DISPATCH), 0, 0, 0 ); my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL ); if ( my_err != -1 || errno != ENOTSUP ) { printf( "kevent call to register my_port should have failed, but got %s \n", strerror(errno) ); goto test_failed_exit; } /* now register for events on my_pset and user 0 */ EV_SET( &my_keventv[0], my_pset, EVFILT_MACHPORT, (EV_ADD | EV_CLEAR | EV_DISPATCH), 0, 0, 0 ); EV_SET( &my_keventv[1], 0, EVFILT_USER, EV_ADD, 0, 0, 0 ); my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, NULL ); if ( my_err == -1 ) { printf( "kevent call to register my_pset and user 0 failed with error %d - %s \n", errno, strerror( errno) ); goto test_failed_exit; } pthread_t my_threadv[3]; for (my_index = 0; my_index < 3; my_index++) { my_err = pthread_create( &my_threadv[my_index], NULL, kmsg_consumer_thread, (void *)&my_kqueue ); if ( my_err != 0 ) { printf( "pthread_create failed with error %d - %s \n", my_err, strerror(my_err) ); goto test_failed_exit; } } /* insert my_port into my_pset */ my_kr = mach_port_insert_member( mach_task_self(), my_port, my_pset ); if ( my_kr != KERN_SUCCESS ) { printf( "mach_port_insert_member failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } my_kr = mach_port_insert_right( mach_task_self(), my_port, my_port, MACH_MSG_TYPE_MAKE_SEND ); if ( my_kr != KERN_SUCCESS ) { printf( "mach_port_insert_right failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } /* send some Mach messages */ for (my_index = 1; my_index <= msg_count; my_index++) { my_kr = kmsg_send( my_port, my_index ); if ( my_kr != KERN_SUCCESS ) { printf( "kmsg_send failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } } /* make sure the last message eventually gets processed */ pthread_mutex_lock(&my_mutex); while (last_msg_seen == 0) pthread_cond_wait(&my_cond, &my_mutex); pthread_mutex_unlock(&my_mutex); /* trigger the user 0 event, telling consumer threads to exit */ EV_SET( &my_keventv[0], 0, EVFILT_USER, 0, NOTE_TRIGGER, 0, 0 ); my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL ); if ( my_err == -1 ) { printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) ); goto test_failed_exit; } for (my_index = 0; my_index < 3; my_index++) { my_err = pthread_join( my_threadv[my_index], &my_pthread_join_status ); if ( my_err != 0 ) { printf( "pthread_join failed with error %d - %s \n", my_err, strerror(my_err) ); goto test_failed_exit; } if ( my_pthread_join_status != 0 ) { goto test_failed_exit; } } /* clear the user 0 event */ EV_SET( &my_keventv[0], 0, EVFILT_USER, EV_CLEAR, 0, 0, 0 ); my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL ); if ( my_err == -1 ) { printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) ); goto test_failed_exit; } /* delibrately destroy my_pset while it's still registered for events */ my_kr = mach_port_mod_refs( mach_task_self(), my_pset, MACH_PORT_RIGHT_PORT_SET, -1 ); if ( my_kr != KERN_SUCCESS ) { printf( "mach_port_mod_refs failed with error %d - %s \n", my_kr, mach_error_string(my_kr) ); goto test_failed_exit; } /* look for the event to trigger with a zero msg_size */ my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL ); if ( my_err == -1 ) { printf( "kevent call to get machport event failed with error %d - \"%s\" \n", errno, strerror( errno) ); goto test_failed_exit; } if ( my_err == 0 ) { printf( "kevent call to get machport event did not return any when it should have \n" ); goto test_failed_exit; } if ( my_keventv[0].filter != EVFILT_MACHPORT ) { printf( "kevent call to get machport event did not return EVFILT_MACHPORT \n" ); printf( "filter %i \n", my_keventv[0].filter ); goto test_failed_exit; } if ( my_keventv[0].data != 0 ) { printf( "kevent call to get machport event did not return 0 msg_size \n" ); printf( "data %ld \n", (long int) my_keventv[0].data ); goto test_failed_exit; } #endif my_err = 0; goto test_passed_exit; test_failed_exit: my_err = -1; test_passed_exit: if ( my_sockets[0] != -1 ) close( my_sockets[0] ); if ( my_sockets[1] != -1 ) close( my_sockets[1] ); if ( my_kqueue != -1 ) close( my_kqueue ); if ( my_kqueue64 != -1 ) close( my_kqueue ); if ( my_fd != -1 ) close( my_fd ); if ( my_pathp != NULL ) { remove( my_pathp ); vm_deallocate(mach_task_self(), (vm_address_t)my_pathp, PATH_MAX); } return( my_err ); } |