--- /dev/null
+/*
+ * 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;
+extern int g_is_under_rosetta;
+
+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;
+ 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
+ if (!g_is_under_rosetta) {
+ /* 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
+ if (!g_is_under_rosetta) {
+ /* 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], (void **)&my_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_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 );
+}
projects / apple / xnu.git / blobdiff