tools/tests/xnu_quick_test/kqueue_tests.c

   1 /*
   2  *  tests.c
   3  *  xnu_quick_test
   4  *
   5  *  Created by Jerry Cottingham on 3/25/05.
   6  *  Copyright 2005 Apple Computer Inc. All rights reserved.
   7  *
   8  */
   9
  10 #include "tests.h"
  11 #include <pthread.h>
  12 #include <assert.h>
  13 #include <sys/event.h>          /* for kqueue tests */
  14 #include <sys/sysctl.h>         /* for determining hw */
  15 #include <mach/mach.h>
  16 #include <AvailabilityMacros.h> /* for determination of Mac OS X version (tiger, leopard, etc.) */
  17 #include <libkern/OSByteOrder.h> /* for OSSwap32() */
  18
  19 extern char             g_target_path[ PATH_MAX ];
  20 extern int              g_skip_setuid_tests;
  21
  22 int msg_count = 14;
  23 int last_msg_seen = 0;
  24 pthread_cond_t my_cond = PTHREAD_COND_INITIALIZER;
  25 pthread_mutex_t my_mutex = PTHREAD_MUTEX_INITIALIZER;
  26
  27
  28 static kern_return_t
  29 kmsg_send(mach_port_t remote_port, int index)
  30 {
  31         int msgh_id = 1000 + index;
  32         kern_return_t my_kr;
  33         mach_msg_header_t * my_kmsg = NULL;
  34         mach_msg_size_t size = sizeof(mach_msg_header_t) + sizeof(int)*index;
  35
  36         my_kr = vm_allocate( mach_task_self(),
  37                              (vm_address_t *)&my_kmsg,
  38                              size,
  39                              VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE );
  40         if (my_kr != KERN_SUCCESS)
  41                 return my_kr;
  42         my_kmsg->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0);
  43         my_kmsg->msgh_size = size;
  44         my_kmsg->msgh_remote_port = remote_port;
  45         my_kmsg->msgh_local_port = MACH_PORT_NULL;
  46         my_kmsg->msgh_reserved = 0;
  47         my_kmsg->msgh_id = msgh_id;
  48         my_kr = mach_msg( my_kmsg,
  49                           MACH_SEND_MSG | MACH_MSG_OPTION_NONE,
  50                           size,
  51                           0, /* receive size */
  52                           MACH_PORT_NULL,
  53                           MACH_MSG_TIMEOUT_NONE,
  54                           MACH_PORT_NULL );
  55         vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, size );
  56         return my_kr;
  57 }
  58
  59 static kern_return_t
  60 kmsg_recv(mach_port_t portset, mach_port_t port, int * msgh_id_return)
  61 {
  62         kern_return_t my_kr;
  63         mach_msg_header_t * my_kmsg = NULL;
  64
  65         my_kr = vm_allocate( mach_task_self(),
  66                              (vm_address_t *)&my_kmsg,
  67                              PAGE_SIZE,
  68                              VM_MAKE_TAG(VM_MEMORY_MACH_MSG) | TRUE );
  69         if (my_kr != KERN_SUCCESS)
  70                 return my_kr;
  71         my_kr = mach_msg( my_kmsg,
  72                           MACH_RCV_MSG | MACH_MSG_OPTION_NONE,
  73                           0, /* send size */
  74                           PAGE_SIZE, /* receive size */
  75                           port,
  76                           MACH_MSG_TIMEOUT_NONE,
  77                           MACH_PORT_NULL );
  78         if ( my_kr == KERN_SUCCESS &&
  79              msgh_id_return != NULL )
  80                 *msgh_id_return = my_kmsg->msgh_id;
  81         vm_deallocate( mach_task_self(), (vm_address_t)my_kmsg, PAGE_SIZE );
  82         return my_kr;
  83 }
  84
  85 static void *
  86 kmsg_consumer_thread(void * arg)
  87 {
  88 #if !TARGET_OS_EMBEDDED
  89         int             my_kqueue = *(int *)arg;
  90         int             my_err;
  91         kern_return_t   my_kr;
  92         struct kevent   my_keventv[3];
  93         int             msgid;
  94
  95         EV_SET( &my_keventv[0], 0, 0, 0, 0, 0, 0 );
  96         while ( !(my_keventv[0].filter == EVFILT_USER &&
  97                   my_keventv[0].ident == 0)) {
  98                 /* keep getting events */
  99                 my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
 100                 if ( my_err == -1 ) {
 101                         printf( "kevent call from consumer thread failed with error %d - \"%s\" \n", errno, strerror( errno) );
 102                         return (void *)-1;
 103                 }
 104                 if ( my_err == 0 ) {
 105                         printf( "kevent call from consumer thread did not return any events when it should have \n" );
 106                         return (void *)-1;
 107                 }
 108                 if ( my_keventv[0].filter == EVFILT_MACHPORT ) {
 109                         if ( my_keventv[0].data == 0 ) {
 110                                 printf( "kevent call to get machport event returned 0 msg_size \n" );
 111                                 return (void *)-1;
 112                         }
 113                         my_kr = kmsg_recv( my_keventv[0].ident, my_keventv[0].data, &msgid );
 114                         if ( my_kr != KERN_SUCCESS ) {
 115                                 printf( "kmsg_recv failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 116                                 return (void *)-1;
 117                         }
 118                         my_keventv[0].flags = EV_ENABLE;
 119                         my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
 120                         if ( my_err == -1 ) {
 121                                 printf( "kevent call to re-enable machport events failed with error %d - \"%s\" \n", errno, strerror( errno) );
 122                                 return (void *)-1;
 123                         }
 124                         if (msgid == 1000 + msg_count) {
 125                                 pthread_mutex_lock(&my_mutex);
 126                                 last_msg_seen = 1;
 127                                 pthread_cond_signal(&my_cond);
 128                                 pthread_mutex_unlock(&my_mutex);
 129                         }
 130                 }
 131         }
 132         return (void *)0;
 133 #else
 134         printf( "\t--> Not supported on EMBEDDED TARGET\n" );
 135         return (void *)0;
 136 #endif
 137 }
 138
 139 /*  **************************************************************************************************************
 140  *      Test kevent, kqueue system calls.
 141  *  **************************************************************************************************************
 142  */
 143 int kqueue_tests( void * the_argp )
 144 {
 145         int                             my_err, my_status;
 146         void                            *my_pthread_join_status;
 147         int                             my_kqueue = -1;
 148         int                             my_kqueue64 = -1;
 149         int                             my_fd = -1;
 150         char *                  my_pathp = NULL;
 151     pid_t                       my_pid, my_wait_pid;
 152         size_t                  my_count, my_index;
 153         int                             my_sockets[ 2 ] = {-1, -1};
 154         struct kevent   my_keventv[3];
 155 #if !TARGET_OS_EMBEDDED
 156         struct kevent64_s       my_kevent64;
 157 #endif
 158         struct timespec my_timeout;
 159         char                    my_buffer[ 16 ];
 160         kern_return_t kr;
 161
 162         kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_pathp, PATH_MAX, VM_FLAGS_ANYWHERE);
 163         if(kr != KERN_SUCCESS){
 164                 printf( "vm_allocate failed with error %d - \"%s\" \n", errno, strerror( errno) );
 165                 goto test_failed_exit;
 166         }
 167
 168         *my_pathp = 0x00;
 169         strcat( my_pathp, &g_target_path[0] );
 170         strcat( my_pathp, "/" );
 171
 172         /* create a test file */
 173         my_err = create_random_name( my_pathp, 1 );
 174         if ( my_err != 0 ) {
 175                 goto test_failed_exit;
 176         }
 177
 178         my_fd = open( my_pathp, O_RDWR, 0 );
 179         if ( my_fd == -1 ) {
 180                 printf( "open call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 181                 goto test_failed_exit;
 182         }
 183
 184         my_err = socketpair( AF_UNIX, SOCK_STREAM, 0, &my_sockets[0] );
 185         if ( my_err == -1 ) {
 186                 printf( "socketpair failed with errno %d - %s \n", errno, strerror( errno ) );
 187                 goto test_failed_exit;
 188         }
 189
 190         /* fork here and use pipe to communicate */
 191         my_pid = fork( );
 192         if ( my_pid == -1 ) {
 193                 printf( "fork failed with errno %d - %s \n", errno, strerror( errno ) );
 194                 goto test_failed_exit;
 195         }
 196         else if ( my_pid == 0 ) {
 197                 /*
 198                  * child process - tell parent we are ready to go.
 199                  */
 200                 my_count = write( my_sockets[1], "r", 1 );
 201                 if ( my_count == -1 ) {
 202                         printf( "write call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 203                         exit( -1 );
 204                 }
 205
 206                 my_count = read( my_sockets[1], &my_buffer[0], 1 );
 207                 if ( my_count == -1 ) {
 208                         printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 209                         exit( -1 );
 210                 }
 211                 if ( my_buffer[0] != 'g' ) {
 212                         printf( "read call on socket failed to get \"all done\" message \n" );
 213                         exit( -1 );
 214                 }
 215
 216                 /* now do some work that will trigger events our parent will track */
 217                 my_count = write( my_fd, "11111111", 8 );
 218                 if ( my_count == -1 ) {
 219                         printf( "write call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 220                         exit( -1 );
 221                 }
 222
 223                 my_err = unlink( my_pathp );
 224                 if ( my_err == -1 ) {
 225                         printf( "unlink failed with error %d - \"%s\" \n", errno, strerror( errno) );
 226                         exit( -1 );
 227                 }
 228
 229                 /* wait for parent to tell us to exit */
 230                 my_count = read( my_sockets[1], &my_buffer[0], 1 );
 231                 if ( my_count == -1 ) {
 232                         printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 233                         exit( -1 );
 234                 }
 235                 if ( my_buffer[0] != 'e' ) {
 236                         printf( "read call on socket failed to get \"all done\" message \n" );
 237                         exit( -1 );
 238                 }
 239                 exit(0);
 240         }
 241
 242         /* parent process - wait for child to spin up */
 243         my_count = read( my_sockets[0], &my_buffer[0], sizeof(my_buffer) );
 244         if ( my_count == -1 ) {
 245                 printf( "read call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 246                 goto test_failed_exit;
 247         }
 248         if ( my_buffer[0] != 'r' ) {
 249                 printf( "read call on socket failed to get \"ready to go message\" \n" );
 250                 goto test_failed_exit;
 251         }
 252
 253         /* set up a kqueue and register for some events */
 254         my_kqueue = kqueue( );
 255         if ( my_kqueue == -1 ) {
 256                 printf( "kqueue call failed with error %d - \"%s\" \n", errno, strerror( errno) );
 257                 goto test_failed_exit;
 258         }
 259
 260         /* look for our test file to get unlinked or written to */
 261         EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_ADD | EV_CLEAR), (NOTE_DELETE | NOTE_WRITE), 0, 0 );
 262         /* also keep an eye on our child process while we're at it */
 263         EV_SET( &my_keventv[1], my_pid, EVFILT_PROC, (EV_ADD | EV_ONESHOT), NOTE_EXIT, 0, 0 );
 264
 265         my_timeout.tv_sec = 0;
 266         my_timeout.tv_nsec = 0;
 267         my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, &my_timeout);
 268         if ( my_err == -1 ) {
 269                 printf( "kevent call to register events failed with error %d - \"%s\" \n", errno, strerror( errno) );
 270                 goto test_failed_exit;
 271         }
 272
 273 #if !TARGET_OS_EMBEDDED
 274         /* use kevent64 to test EVFILT_PROC */
 275         EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 );
 276         my_err = kevent64( my_kqueue, &my_kevent64, 1, NULL, 0, 0, 0);
 277         if ( my_err != -1 && errno != EINVAL ) {
 278                 printf( "kevent64 call should fail with kqueue used for kevent() - %d\n", my_err);
 279                 goto test_failed_exit;
 280         }
 281
 282         my_kqueue64 = kqueue();
 283         EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_ADD, NOTE_EXIT, 0, 0, 0, 0 );
 284         my_err = kevent64( my_kqueue64, &my_kevent64, 1, NULL, 0, 0, 0);
 285         if ( my_err == -1 ) {
 286                 printf( "kevent64 call to get proc exit failed with error %d - \"%s\" \n", errno, strerror( errno) );
 287                 goto test_failed_exit;
 288         }
 289 #endif
 290
 291         /* tell child to get to work */
 292         my_count = write( my_sockets[0], "g", 1 );
 293         if ( my_count == -1 ) {
 294                 printf( "write call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 295                 goto test_failed_exit;
 296         }
 297
 298         /* go get vnode events */
 299         EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, (EV_CLEAR), 0, 0, 0 );
 300         my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
 301         if ( my_err == -1 ) {
 302                 printf( "kevent call to get vnode events failed with error %d - \"%s\" \n", errno, strerror( errno) );
 303                 goto test_failed_exit;
 304         }
 305         if ( my_err == 0 ) {
 306                 printf( "kevent call to get vnode events did not return any when it should have \n" );
 307                 goto test_failed_exit;
 308         }
 309         if ( (my_keventv[0].fflags & (NOTE_DELETE | NOTE_WRITE)) == 0 ) {
 310                 printf( "kevent call to get vnode events did not return NOTE_DELETE or NOTE_WRITE \n" );
 311                 printf( "fflags 0x%02X \n", my_keventv[0].fflags );
 312                 goto test_failed_exit;
 313         }
 314
 315         /* tell child to exit */
 316         my_count = write( my_sockets[0], "e", 1 );
 317         if ( my_count == -1 ) {
 318                 printf( "write call failed.  got errno %d - %s. \n", errno, strerror( errno ) );
 319                 goto test_failed_exit;
 320         }
 321
 322         /* look for child exit notification after unregistering for vnode events */
 323         EV_SET( &my_keventv[0], my_fd, EVFILT_VNODE, EV_DELETE, 0, 0, 0 );
 324         my_err = kevent( my_kqueue, my_keventv, 1, my_keventv, 1, NULL );
 325         if ( my_err == -1 ) {
 326                 printf( "kevent call to get proc exit event failed with error %d - \"%s\" \n", errno, strerror( errno) );
 327                 goto test_failed_exit;
 328         }
 329         if ( my_err == 0 ) {
 330                 printf( "kevent call to get proc exit event did not return any when it should have \n" );
 331                 goto test_failed_exit;
 332         }
 333         if ( my_keventv[0].filter != EVFILT_PROC ) {
 334                 printf( "kevent call to get proc exit event did not return EVFILT_PROC \n" );
 335                 printf( "filter %i \n", my_keventv[0].filter );
 336                 goto test_failed_exit;
 337         }
 338         if ( (my_keventv[0].fflags & NOTE_EXIT) == 0 ) {
 339                 printf( "kevent call to get proc exit event did not return NOTE_EXIT \n" );
 340                 printf( "fflags 0x%02X \n", my_keventv[0].fflags );
 341                 goto test_failed_exit;
 342         }
 343
 344 #if !TARGET_OS_EMBEDDED
 345         /* look for child exit notification on the kevent64 kqueue */
 346         EV_SET64( &my_kevent64, my_pid, EVFILT_PROC, EV_CLEAR, NOTE_EXIT, 0, 0, 0, 0 );
 347         my_err = kevent64( my_kqueue64, NULL, 0, &my_kevent64, 1, 0, 0);
 348         if ( my_err == -1 ) {
 349                 printf( "kevent64 call to get child exit failed with error %d - \"%s\" \n", errno, strerror( errno) );
 350                 goto test_failed_exit;
 351         }
 352         if ( my_err == 0 ) {
 353                 printf( "kevent64 call to get proc exit event did not return any when it should have \n" );
 354                 goto test_failed_exit;
 355         }
 356         if ( my_kevent64.filter != EVFILT_PROC ) {
 357                 printf( "kevent64 call to get proc exit event did not return EVFILT_PROC \n" );
 358                 printf( "filter %i \n", my_kevent64.filter );
 359                 goto test_failed_exit;
 360         }
 361         if ( (my_kevent64.fflags & NOTE_EXIT) == 0 ) {
 362                 printf( "kevent64 call to get proc exit event did not return NOTE_EXIT \n" );
 363                 printf( "fflags 0x%02X \n", my_kevent64.fflags );
 364                 goto test_failed_exit;
 365         }
 366
 367         my_wait_pid = wait4( my_pid, &my_status, 0, NULL );
 368         if ( my_wait_pid == -1 ) {
 369                 printf( "wait4 failed with errno %d - %s \n", errno, strerror( errno ) );
 370                 goto test_failed_exit;
 371         }
 372
 373         /* wait4 should return our child's pid when it exits */
 374         if ( my_wait_pid != my_pid ) {
 375                 printf( "wait4 did not return child pid - returned %d should be %d \n", my_wait_pid, my_pid );
 376                 goto test_failed_exit;
 377         }
 378
 379         if ( WIFEXITED( my_status ) && WEXITSTATUS( my_status ) != 0 ) {
 380                 printf( "wait4 returned wrong exit status - 0x%02X \n", my_status );
 381                 goto test_failed_exit;
 382         }
 383
 384         /* now try out EVFILT_MACHPORT and EVFILT_USER */
 385         mach_port_t my_pset = MACH_PORT_NULL;
 386         mach_port_t my_port = MACH_PORT_NULL;
 387         kern_return_t my_kr;
 388
 389         my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &my_pset );
 390         if ( my_kr != KERN_SUCCESS ) {
 391                 printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 392                 goto test_failed_exit;
 393         }
 394
 395         my_kr = mach_port_allocate( mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &my_port );
 396         if ( my_kr != KERN_SUCCESS ) {
 397                 printf( "mach_port_allocate failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 398                 goto test_failed_exit;
 399         }
 400
 401         /* try to register for events on my_port directly -- this should fail */
 402         EV_SET( &my_keventv[0], my_port, EVFILT_MACHPORT, (EV_ADD | EV_DISPATCH), 0, 0, 0 );
 403         my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
 404         if ( my_err != -1 || errno != ENOTSUP ) {
 405                 printf( "kevent call to register my_port should have failed, but got %s \n", strerror(errno) );
 406                 goto test_failed_exit;
 407         }
 408
 409         /* now register for events on my_pset and user 0 */
 410         EV_SET( &my_keventv[0], my_pset, EVFILT_MACHPORT, (EV_ADD | EV_CLEAR | EV_DISPATCH), 0, 0, 0 );
 411         EV_SET( &my_keventv[1], 0, EVFILT_USER, EV_ADD, 0, 0, 0 );
 412         my_err = kevent( my_kqueue, my_keventv, 2, NULL, 0, NULL );
 413         if ( my_err == -1 ) {
 414                 printf( "kevent call to register my_pset and user 0 failed with error %d - %s \n", errno, strerror( errno) );
 415                 goto test_failed_exit;
 416         }
 417
 418         pthread_t my_threadv[3];
 419
 420         for (my_index = 0;
 421              my_index < 3;
 422              my_index++) {
 423           my_err = pthread_create( &my_threadv[my_index], NULL, kmsg_consumer_thread, (void *)&my_kqueue );
 424                 if ( my_err != 0 ) {
 425                         printf( "pthread_create failed with error %d - %s \n", my_err, strerror(my_err) );
 426                         goto test_failed_exit;
 427                 }
 428         }
 429
 430         /* insert my_port into my_pset */
 431         my_kr = mach_port_insert_member( mach_task_self(), my_port, my_pset );
 432         if ( my_kr != KERN_SUCCESS ) {
 433                 printf( "mach_port_insert_member failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 434                 goto test_failed_exit;
 435         }
 436
 437         my_kr = mach_port_insert_right( mach_task_self(), my_port, my_port, MACH_MSG_TYPE_MAKE_SEND );
 438         if ( my_kr != KERN_SUCCESS ) {
 439                 printf( "mach_port_insert_right failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 440                 goto test_failed_exit;
 441         }
 442
 443         /* send some Mach messages */
 444         for (my_index = 1;
 445              my_index <= msg_count;
 446              my_index++) {
 447           my_kr = kmsg_send( my_port, my_index );
 448                 if ( my_kr != KERN_SUCCESS ) {
 449                         printf( "kmsg_send failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 450                         goto test_failed_exit;
 451                 }
 452         }
 453
 454         /* make sure the last message eventually gets processed */
 455         pthread_mutex_lock(&my_mutex);
 456         while (last_msg_seen == 0)
 457           pthread_cond_wait(&my_cond, &my_mutex);
 458         pthread_mutex_unlock(&my_mutex);
 459
 460         /* trigger the user 0 event, telling consumer threads to exit */
 461         EV_SET( &my_keventv[0], 0, EVFILT_USER, 0, NOTE_TRIGGER, 0, 0 );
 462         my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
 463         if ( my_err == -1 ) {
 464                 printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) );
 465                 goto test_failed_exit;
 466         }
 467
 468         for (my_index = 0;
 469              my_index < 3;
 470              my_index++) {
 471           my_err = pthread_join( my_threadv[my_index], &my_pthread_join_status );
 472                 if ( my_err != 0 ) {
 473                         printf( "pthread_join failed with error %d - %s \n", my_err, strerror(my_err) );
 474                         goto test_failed_exit;
 475                 }
 476                 if ( my_pthread_join_status != 0 ) {
 477                         goto test_failed_exit;
 478                 }
 479         }
 480
 481         /* clear the user 0 event */
 482         EV_SET( &my_keventv[0], 0, EVFILT_USER, EV_CLEAR, 0, 0, 0 );
 483         my_err = kevent( my_kqueue, my_keventv, 1, NULL, 0, NULL );
 484         if ( my_err == -1 ) {
 485                 printf( "kevent call to trigger user 0 failed with error %d - %s \n", errno, strerror( errno) );
 486                 goto test_failed_exit;
 487         }
 488
 489         /* delibrately destroy my_pset while it's still registered for events */
 490         my_kr = mach_port_mod_refs( mach_task_self(), my_pset, MACH_PORT_RIGHT_PORT_SET, -1 );
 491         if ( my_kr != KERN_SUCCESS ) {
 492                 printf( "mach_port_mod_refs failed with error %d - %s \n", my_kr, mach_error_string(my_kr) );
 493                 goto test_failed_exit;
 494         }
 495
 496         /* look for the event to trigger with a zero msg_size */
 497         my_err = kevent( my_kqueue, NULL, 0, my_keventv, 1, NULL );
 498         if ( my_err == -1 ) {
 499                 printf( "kevent call to get machport event failed with error %d - \"%s\" \n", errno, strerror( errno) );
 500                 goto test_failed_exit;
 501         }
 502         if ( my_err == 0 ) {
 503                 printf( "kevent call to get machport event did not return any when it should have \n" );
 504                 goto test_failed_exit;
 505         }
 506         if ( my_keventv[0].filter != EVFILT_MACHPORT ) {
 507                 printf( "kevent call to get machport event did not return EVFILT_MACHPORT \n" );
 508                 printf( "filter %i \n", my_keventv[0].filter );
 509                 goto test_failed_exit;
 510         }
 511         if ( my_keventv[0].data != 0 ) {
 512                 printf( "kevent call to get machport event did not return 0 msg_size \n" );
 513                 printf( "data %ld \n", (long int) my_keventv[0].data );
 514                 goto test_failed_exit;
 515         }
 516 #endif
 517
 518         my_err = 0;
 519         goto test_passed_exit;
 520
 521 test_failed_exit:
 522         my_err = -1;
 523
 524 test_passed_exit:
 525         if ( my_sockets[0] != -1 )
 526                 close( my_sockets[0] );
 527         if ( my_sockets[1] != -1 )
 528                 close( my_sockets[1] );
 529         if ( my_kqueue != -1 )
 530                 close( my_kqueue );
 531         if ( my_kqueue64 != -1 )
 532                 close( my_kqueue );
 533         if ( my_fd != -1 )
 534                 close( my_fd );
 535         if ( my_pathp != NULL ) {
 536                 remove( my_pathp );
 537                 vm_deallocate(mach_task_self(), (vm_address_t)my_pathp, PATH_MAX);
 538          }
 539         return( my_err );
 540 }