xref: /xnu-11417.121.6/tests/kqueue_file_tests.c (revision a1e26a70f38d1d7daa7b49b258e2f8538ad81650)

#include <string.h>
#include <errno.h>
#include <pwd.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <pthread.h>
#include <poll.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/xattr.h>
#include <sys/file.h>

#include <TargetConditionals.h>
#include <darwintest.h>

T_GLOBAL_META(
	T_META_NAMESPACE("xnu.kevent")
	);

#define PDIR   "/tmp"
#define DIR1   PDIR "/dir1"
#define DOTDOT ".."
#define DIR2   PDIR "/dir2"
#define FILE1  PDIR "/file1"
#define FILE2  PDIR "/file2"

#define KEY     "somekey"
#define VAL     "someval"

#define NOSLEEP         0
#define SLEEP           1
#define NO_EVENT        0
#define YES_EVENT       1


#define OUTPUT_LEVEL    0
#define RESULT_LEVEL    3

#define TEST_STRING     "Some text!!! Yes indeed, some of that very structure which has passed on man's knowledge for generations."
#define HELLO_WORLD     "Hello, World!"
#define USLEEP_TIME     5000
#define WAIT_TIME       (4l)
#define LENGTHEN_SIZE   500
#define FIFO_SPACE      8192    /* FIFOS have 8K of buffer space */

/*
 * These two variables are the non local memory for holding the return
 * values from functions with which pthread_create is called.
 */
int thread_status;
int fifo_read_fd;

/*
 * Types of actions for setup, cleanup, and execution of tests
 */
typedef enum {CREAT, MKDIR, READ, WRITE, WRITEFD, FILLFD, UNLINK, LSKEE, RMDIR, MKFIFO, LENGTHEN, TRUNC,
	      SYMLINK, CHMOD, CHOWN, EXCHANGEDATA, RENAME, LSEEK, OPEN, MMAP, NOTHING,
	      SETXATTR, UTIMES, STAT, HARDLINK, REVOKE, FUNLOCK} action_id_t;

/*
 * Directs an action as mentioned above
 */
typedef struct _action {
	int             act_dosleep;
	action_id_t     act_id;
	void            *act_args[5];
	int             act_fd;
} action_t;

/*
 * A test case.  Specifies setup, an event to look for, an action to take to
 * cause (or not cause) that event, and cleanup.
 */
typedef struct _test {
	char *t_testname;

	/* Is this test an expected failure? */
	int t_known_failure;

	/* Is this test behaving non-deterministically? */
	int t_nondeterministic;

	/* Test kevent() or poll() */
	int     t_is_poll_test;

	/* Actions for setting up test */
	int      t_n_prep_actions;
	action_t t_prep_actions[5];

	/* Actions for cleaning up test */
	int      t_n_cleanup_actions;
	action_t t_cleanup_actions[5];

	/* Action for thred to take while we wait */
	action_t t_helpthreadact;

	/* File to look for event on */
	char     *t_watchfile;  /* set event ident IN TEST (can't know fd beforehand)*/
	int      t_file_is_fifo;/* FIFOs are handled in a special manner */

	/* Different parameters for poll() vs kevent() */
	union {
		struct kevent   tu_kev;
		short           tu_pollevents;
	} t_union;

	/* Do we expect results? */
	int      t_want_event;

	/* Not always used--how much data should we find (EVFILT_{READ,WRITE}) */
	int      t_nbytes;

	/* Hacks for FILT_READ and pipes */
	int      t_read_to_end_first;   /* Consume all data in file before waiting for event */
	int      t_write_some_data;     /* Write some data to file before waiting for event (FIFO hack) */
	int      t_extra_sleep_hack;    /* Sleep before waiting, to let a fifo fill up with data */
} test_t;

char *
get_action_name(action_id_t a)
{
	switch (a) {
	case CREAT:
		return "CREAT";
	case MKDIR:
		return "MKDIR";
	case READ:
		return "READ";
	case WRITE:
		return "WRITE";
	case WRITEFD:
		return "WRITEFD";
	case FILLFD:
		return "FILLFD";
	case UNLINK:
		return "UNLINK";
	case LSKEE:
		return "LSKEE";
	case RMDIR:
		return "RMDIR";
	case MKFIFO:
		return "MKFIFO";
	case LENGTHEN:
		return "LENGTHEN";
	case TRUNC:
		return "TRUNC";
	case SYMLINK:
		return "SYMLINK";
	case CHMOD:
		return "CHMOD";
	case CHOWN:
		return "CHOWN";
	case EXCHANGEDATA:
		return "EXCHANGEDATA";
	case RENAME:
		return "RENAME";
	case LSEEK:
		return "LSEEK";
	case OPEN:
		return "OPEN";
	case MMAP:
		return "MMAP";
	case NOTHING:
		return "NOTHING";
	case SETXATTR:
		return "SETXATTR";
	case UTIMES:
		return "UTIMES";
	case STAT:
		return "STAT";
	case HARDLINK:
		return "HARDLINK";
	case REVOKE:
		return "REVOKE";
	case FUNLOCK:
		return "FUNLOCK";
	}
	return "Unknown";
}
/*
 * Initialize an action struct.  Whether to sleep, what action to take,
 * and arguments for that action.
 */
void
init_action(action_t *act, int sleep, action_id_t call, int nargs, ...)
{
	int i;
	va_list ap;
	va_start(ap, nargs);
	act->act_dosleep = sleep;
	act->act_id = call;

	for (i = 0; i < nargs; i++) {
		act->act_args[i] = va_arg(ap, void*);
	}

	va_end(ap);
}

/*
 * Opening a fifo is complicated: need to open both sides at once
 */
void *
open_fifo_readside(void *arg)
{
	if ((fifo_read_fd = open((char*)arg, O_RDONLY)) == -1) {
		T_LOG("open(%s, O_RDONLY) failed: %d (%s)\n", arg, errno, strerror(errno));
	}
	return &fifo_read_fd;
}

/*
 * Open a fifo, setting read and write descriptors.  Return 0 for success, -1 for failure.
 * Only set FD args upon success; they will be unmodified on failure.
 */
int
open_fifo(const char *path, int *readfd, int *writefd)
{
	pthread_t thread;
	int waitres;
	int res;
	int *tmpreadfd, tmpwritefd;

	fifo_read_fd = -1;
	res = pthread_create(&thread, 0, open_fifo_readside, (void*)path);
	if (res == 0) {
		if ((tmpwritefd = open(path, O_WRONLY)) == -1) {
			T_LOG("open(%s, O_WRONLY) failed: %d (%s)\n", path, errno, strerror(errno));
			return -1;
		}
		waitres = pthread_join(thread, (void**) &tmpreadfd);

		fcntl(tmpwritefd, F_SETFL, O_WRONLY | O_NONBLOCK);

		if ((waitres == 0) && (tmpwritefd >= 0) && (*tmpreadfd >= 0)) {
			*readfd = *tmpreadfd;
			*writefd = tmpwritefd;
		} else {
			res = -1;
		}
	}

	return res;
}

/*
 * Just concatenate a directory and a filename, sticking a "/" betwixt them
 */
void
makepath(char *buf, const char *dir, const char *file)
{
	strcpy(buf, dir);
	strcat(buf, "/");
	strcat(buf, file);
}


/* Execute a prep, cleanup, or test action; specific tricky notes below.
 *
 * CREAT:       comes to life and given length 1
 * READ:        try to read one char
 * WRITE:	try to write TEST_STRING to file
 * LENGTHEN:	make longer by LENGTHEN_SIZE
 * MMAP:	mmap first 20 bytes of file, write HELLO_WORLD in
 * SETXATTR:	set the KEY attribute to value VAL
 * WRITEFD:	instead of opening fresh, take an FD in the action struct (FIFOs)
 * FILLFD:	write a file until you can no longer.  for filling FIFOS.
 *
 * * Several of these have hard-coded sizes.
 */
void*
execute_action(void *actionptr)
{
	action_t *act = (action_t*)actionptr;
	void **args = act->act_args;
	char c;
	int res = -1, tmpfd, tmpfd2;
	static int lastfd;
	void *addr;
	struct timeval tv;
	struct stat sstat;

	T_LOG("Beginning action of type %d: %s\n", act->act_id, get_action_name(act->act_id));

	/* Let other thread get into kevent() sleep */
	if (SLEEP == act->act_dosleep) {
		usleep(USLEEP_TIME);
	}
	switch (act->act_id) {
	case NOTHING:
		res = 0;
		break;
	case CREAT:
		if ((tmpfd = creat((char*)args[0], 0755)) == -1) {
			T_LOG("creat() failed on \"%s\": %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		ftruncate(tmpfd, 1);         /* So that mmap() doesn't fool us */
		close(tmpfd);
		res = 0;
		break;
	case MKDIR:
		res = mkdir((char*)args[0], 0755);
		break;
	case READ:
		if ((tmpfd = open((char*)args[0], O_RDONLY)) == -1) {
			T_LOG("open(%s, O_RDONLY) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		res = read(tmpfd, &c, 1);
		res = (res == 1 ? 0 : -1);
		close(tmpfd);
		break;
	case WRITE:
		if ((tmpfd = open((char*)args[0], O_RDWR)) == -1) {
			T_LOG("open(%s, O_RDWR) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		res = write(tmpfd, TEST_STRING, strlen(TEST_STRING));
		if (res == strlen(TEST_STRING)) {
			res = 0;
		} else {
			res = -1;
		}
		close(tmpfd);
		break;
	case WRITEFD:
		res = write((int)act->act_fd, TEST_STRING, strlen(TEST_STRING));
		if (res == strlen(TEST_STRING)) {
			res = 0;
		} else {
			res = -1;
		}
		break;
	case FILLFD:
		while (write((int)act->act_fd, "a", 1) > 0) {
			;
		}
		res = 0;
		break;
	case UNLINK:
		res = unlink((char*)args[0]);
		break;
	case LSEEK:
		res = lseek((int)act->act_fd, (int)args[0], SEEK_SET);
		res = (res == (int)args[0] ? 0 : -1);
		break;
	case RMDIR:
		res = rmdir((char*)args[0]);
		break;
	case MKFIFO:
		res = mkfifo((char*)args[0], 0755);
		break;
	case LENGTHEN:
		res = truncate((char*)args[0], LENGTHEN_SIZE);
		break;
	case TRUNC:
		res = truncate((char*)args[0], 0);
		break;
	case SYMLINK:
		res = symlink((char*)args[0], (char*)args[1]);
		break;
	case CHMOD:
		res = chmod((char*)args[0], (int)args[1]);
		break;
	case CHOWN:
		/* path, uid, gid */
		res = chown((char*)args[0], (int) args[1], (int) args[2]);
		break;
	case EXCHANGEDATA:
		res = exchangedata((char*)args[0], (char*)args[1], 0);
		break;
	case RENAME:
		res = rename((char*)args[0], (char*)args[1]);
		break;
	case OPEN:
		if ((tmpfd = open((char*)args[0], O_RDONLY | O_CREAT)) == -1) {
			T_LOG("open(%s, O_RDONLY | O_CREAT) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		res = close(tmpfd);
		break;
	case MMAP:
		/* It had best already exist with nonzero size */
		if ((tmpfd = open((char*)args[0], O_RDWR)) == -1) {
			T_LOG("open(%s, O_RDWR) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		addr = mmap(0, 20, PROT_WRITE | PROT_READ, MAP_FILE | MAP_SHARED, tmpfd, 0);
		if (addr != ((void*)-1)) {
			res = 0;
			if ((int)args[1]) {
				strcpy((char*)addr, HELLO_WORLD);
				msync(addr, 20, MS_SYNC);
			}
		}
		close(tmpfd);
		munmap(addr, 20);
		break;
	case SETXATTR:
		res = setxattr((char*)args[0], KEY, (void*)VAL, strlen(VAL),
		    0, 0);
		break;
	case UTIMES:
		tv.tv_sec = time(NULL);
		tv.tv_usec = 0;
		res = utimes((char*)args[0], &tv);
		break;
	case STAT:
		res = lstat((char*)args[0], &sstat);
		break;
	case HARDLINK:
		res = link((char*)args[0], (char*)args[1]);
		break;
	case REVOKE:
		if ((tmpfd = open((char*)args[0], O_RDONLY)) == -1) {
			T_LOG("open(%s, O_RDONLY) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		res = revoke((char*)args[0]);
		close(tmpfd);
		break;
	case FUNLOCK:
		if ((tmpfd = open((char*)args[0], O_RDONLY)) == -1) {
			T_LOG("open(%s, O_RDONLY) failed: %d (%s)\n", args[0], errno, strerror(errno));
			res = -1;
			break;
		}
		if ((res = flock(tmpfd, LOCK_EX)) == -1) {
			T_LOG("flock() LOCK_EX failed: %d (%s)\n", errno, strerror(errno));
			close(tmpfd);
			break;
		}
		if ((res = flock(tmpfd, LOCK_UN)) == -1) {
			T_LOG("flock() LOCK_UN failed: %d (%s)\n", errno, strerror(errno));
			close(tmpfd);
			break;
		}
		close(tmpfd);
		break;
	default:
		res = -1;
		break;
	}

	thread_status = res;
	return &thread_status;
}

/*
 * Read until the end of a file, for EVFILT_READ purposes (considers file position)
 */
void
read_to_end(int fd)
{
	char buf[50];
	while (read(fd, buf, sizeof(buf)) > 0) {
		;
	}
}

/*
 * Helper for setup and cleanup; just execute every action in an array
 * of actions.  "failout" parameter indicates whether to stop if one fails.
 */
int
execute_action_list(action_t *actions, int nactions, int failout)
{
	int i, res;
	for (i = 0, res = 0; (0 == res || (!failout)) && (i < nactions); i++) {
		T_LOG("Starting prep action %d\n", i);
		res = *((int *) execute_action(&(actions[i])));
		if (res != 0) {
			T_LOG("Action list failed on step %d. res = %d errno = %d (%s)\n", i, res,
			    errno, strerror(errno));
		} else {
			T_LOG("Action list work succeeded on step %d.\n", i);
		}
	}

	return res;
}

/*
 * Execute a full test, return success value.
 */
int
execute_test(test_t *test)
{
	int i, kqfd, filefd = -1, res2, res, cnt, writefd = -1;
	int retval = -1;
	pthread_t thr;
	struct kevent evlist;
	struct timespec ts = {WAIT_TIME, 0l};
	int *status;

	memset(&evlist, 0, sizeof(evlist));

	T_LOG("[BEGIN] %s\n", test->t_testname);

	T_LOG(test->t_want_event ? "Expecting an event.\n" : "Not expecting events.\n");

	res = execute_action_list(test->t_prep_actions, test->t_n_prep_actions, 1);

	/* If prep succeeded */
	if (0 == res) {
		/* Create kqueue for kqueue tests*/
		if (!test->t_is_poll_test) {
			if ((kqfd = kqueue()) == -1) {
				T_LOG("kqueue() failed: %d (%s)\n", errno, strerror(errno));
			}
		}

		if ((test->t_is_poll_test) || kqfd >= 0) {
			/* Open the file we're to monitor.  Fifos get special handling */
			if (test->t_file_is_fifo) {
				filefd = -1;
				open_fifo(test->t_watchfile, &filefd, &writefd);
			} else {
				if ((filefd = open(test->t_watchfile, O_RDONLY | O_SYMLINK)) == -1) {
					T_LOG("open() of watchfile %s failed: %d (%s)\n", test->t_watchfile,
					    errno, strerror(errno));
					res = -1;
				}
			}

			if (filefd >= 0) {
				T_LOG("Opened file to monitor.\n");

				/*
				 * Fill in the fd to monitor once you know it
				 * If it's a fifo test, then the helper is definitely going to want the write end.
				 */
				test->t_helpthreadact.act_fd = (writefd >= 0 ? writefd : filefd);

				if (test->t_read_to_end_first) {
					read_to_end(filefd);
				} else if (test->t_write_some_data) {
					action_t dowr;
					init_action(&dowr, NOSLEEP, WRITEFD, 0);
					dowr.act_fd = writefd;
					(void)execute_action(&dowr);
				}

				/* Helper modifies the file that we're listening on (sleeps first, in general) */
				thread_status = 0;
				res = pthread_create(&thr, NULL, execute_action, (void*) &test->t_helpthreadact);
				if (0 == res) {
					T_LOG("Created helper thread.\n");

					/* This is ugly business to hack on filling up a FIFO */
					if (test->t_extra_sleep_hack) {
						usleep(USLEEP_TIME);
					}

					if (test->t_is_poll_test) {
						struct pollfd pl;
						pl.fd = filefd;
						pl.events = test->t_union.tu_pollevents;
						cnt = poll(&pl, 1, WAIT_TIME);
						T_LOG("Finished poll() call.\n");
						if ((cnt < 0)) {
							T_LOG("error is in errno, %s\n", strerror(errno));
							res = cnt;
						}
					} else {
						test->t_union.tu_kev.ident = filefd;
						cnt = kevent(kqfd, &test->t_union.tu_kev, 1, &evlist, 1, &ts);
						T_LOG("Finished kevent() call.\n");

						if ((cnt < 0) || (evlist.flags & EV_ERROR)) {
							T_LOG("kevent() call failed.\n");
							if (cnt < 0) {
								T_LOG("error is in errno, %s\n", strerror(errno));
							} else {
								T_LOG("error is in data, %s\n", strerror(evlist.data));
							}
							res = cnt;
						}
					}

					/* Success only if you've succeeded to this point AND joined AND other thread is happy*/
					status = NULL;
					res2 = pthread_join(thr, (void **)&status);
					if (res2 != 0) {
						T_LOG("Couldn't join helper thread: %d (%s).\n", res2,
						    strerror(res2));
					} else if (*status) {
						T_LOG("Helper action had result %d\n", *status);
					}
					res = ((res == 0) && (res2 == 0) && (*status == 0)) ? 0 : -1;
				} else {
					T_LOG("Couldn't start thread: %d (%s).\n", res, strerror(res));
				}

				close(filefd);
				if (test->t_file_is_fifo) {
					close(writefd);
				}
			}
			if (!test->t_is_poll_test) {
				close(kqfd);
			}
		} else {
			T_LOG("Couldn't open kqueue.\n");
			res = -1;
		}
	}

	/* Cleanup work */
	execute_action_list(test->t_cleanup_actions, test->t_n_cleanup_actions, 0);

	/* Success if nothing failed and we either received or did not receive event,
	 * as expected
	 */
	if (0 == res) {
		T_LOG(cnt > 0 ? "Got an event.\n" : "Did not get an event.\n");
		if (((cnt > 0) && (test->t_want_event)) || ((cnt == 0) && (!test->t_want_event))) {
			if ((!test->t_is_poll_test) && (test->t_union.tu_kev.filter == EVFILT_READ || test->t_union.tu_kev.filter == EVFILT_WRITE)
			    && (test->t_nbytes) && (test->t_nbytes != evlist.data)) {
				T_LOG("Read wrong number of bytes available.  Wanted %d, got %d\n", test->t_nbytes, evlist.data);
				retval = -1;
			} else {
				retval = 0;
			}
		} else {
			T_LOG("Got unexpected event or lack thereof.\n");
			retval = -1;
		}
	} else {
		T_LOG("Failed to execute test. res = %d\n", res);
		retval = -1;
	}

	if (test->t_nondeterministic) {
		T_LOG("XXX non-deterministic test result = %d (%s)\n", retval,
		    (retval == 0) ? "pass" : "fail");
		T_MAYFAIL;
	} else {
		if (test->t_known_failure) {
			// Signal to harness that this test is expected to fail.
			T_EXPECTFAIL;
		}
	}

	if (retval == 0) {
		T_PASS("%s", test->t_testname);
	} else {
		T_FAIL("%s", test->t_testname);
	}

	T_LOG("Test %s done with result %d.\n", test->t_testname, retval);
	return retval;
}



void
init_test_common(test_t *tst, char *testname, char *watchfile, int nprep, int nclean, int event, int want, int ispoll)
{
	memset(tst, 0, sizeof(test_t));
	tst->t_testname = testname;
	tst->t_known_failure = 0;
	tst->t_nondeterministic = 0;
	tst->t_watchfile = watchfile;
	tst->t_n_prep_actions = nprep;
	tst->t_n_cleanup_actions = nclean;
	tst->t_want_event = (want > 0);

	if (ispoll) {
		tst->t_is_poll_test = 1;
		tst->t_union.tu_pollevents = (short)event;
	} else {
		/* Can do this because filter is negative, notes are positive */
		if (event == EVFILT_READ || event == EVFILT_WRITE) {
			EV_SET(&tst->t_union.tu_kev, 0, event, EV_ADD | EV_ENABLE, 0, 0, NULL);
			tst->t_nbytes = want;
		} else {
			EV_SET(&tst->t_union.tu_kev, 0, EVFILT_VNODE, EV_ADD | EV_ENABLE, event, 0, NULL);
		}
	}
}

/*
 * Initialize a test case, not including its actions.  Meaning: a name for it, what filename to watch,
 * counts of prep and cleanup actions, what event to watch for, and whether you want an event/how many bytes read.
 *
 * "want" does double duty as whether you want an event and how many bytes you might want to read
 * "event" is either an event flag (e.g. NOTE_WRITE) or EVFILT_READ
 */
void
init_test(test_t *tst, char *testname, char *watchfile, int nprep, int nclean, int event, int want)
{
	init_test_common(tst, testname, watchfile, nprep, nclean, event, want, 0);
}

/*
 * Same as above, but for a poll() test
 */
void
init_poll_test(test_t *tst, char *testname, char *watchfile, int nprep, int nclean, int event, int want)
{
	init_test_common(tst, testname, watchfile, nprep, nclean, event, want, 1);
}

void
run_note_delete_tests()
{
	test_t test;

	init_test(&test, "1.1.2: unlink a file", FILE1, 1, 0, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "1.1.3: rmdir a dir", DIR1, 1, 0, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	init_test(&test, "1.1.4: rename one file over another", FILE2, 2, 1, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "1.1.5: rename one dir over another", DIR2, 2, 1, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
	execute_test(&test);

	/* Do FIFO stuff here */
	init_test(&test, "1.1.6: make a fifo, unlink it", FILE1, 1, 0, NOTE_DELETE, YES_EVENT);
	test.t_file_is_fifo = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);

	init_test(&test, "1.1.7: rename a file over a fifo", FILE1, 2, 1, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	test.t_file_is_fifo = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE2, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "1.1.8: unlink a symlink to a file", FILE2, 2, 1, NOTE_DELETE, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, SYMLINK, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE2, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	/* ================= */

	init_test(&test, "1.2.1: Straight-up rename file", FILE1, 1, 1, NOTE_DELETE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, (void*)NULL);
	execute_test(&test);

	init_test(&test, "1.2.2: Straight-up rename dir", DIR1, 1, 1, NOTE_DELETE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, (void*)NULL);
	execute_test(&test);

	init_test(&test, "1.2.3: Null action on file", FILE1, 1, 1, NOTE_DELETE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 2, NULL, NULL); /* The null action */
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "1.2.4: Rename one file over another: watch the file that lives", FILE1, 2, 1, NOTE_DELETE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "1.2.5: Rename one dir over another, watch the dir that lives", DIR1, 2, 1, NOTE_DELETE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
}

static bool
path_on_apfs(const char *path)
{
	struct statfs sfs = {};
	T_QUIET; T_ASSERT_POSIX_SUCCESS(statfs(path, &sfs), NULL);
	return memcmp(&sfs.f_fstypename[0], "apfs", strlen("apfs")) == 0;
}

void
run_note_write_tests()
{
	char pathbuf[50];
	char otherpathbuf[50];

	test_t test;

	init_test(&test, "2.1.1: Straight-up write to a file", FILE1, 1, 1, NOTE_WRITE, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);


	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.2: creat() file inside a dir", DIR1, 1, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CREAT, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.3: open() file inside a dir", DIR1, 1, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, OPEN, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.4: unlink a file from a dir", DIR1, 2, 1, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	makepath(otherpathbuf, DIR1, FILE2);
	init_test(&test, "2.1.5: rename a file in a dir", DIR1, 2, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)pathbuf, (void*)otherpathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)otherpathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.6: rename a file to outside of a dir", DIR1, 2, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)pathbuf, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.7: rename a file into a dir", DIR1, 2, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.9: unlink a fifo from a dir", DIR1, 2, 1, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKFIFO, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.10: make symlink in a dir", DIR1, 1, 2, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SYMLINK, 2, (void*)DOTDOT, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.1.12: write to a FIFO", FILE1, 1, 1, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 2, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, WRITEFD, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);


	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "2.1.13: delete a symlink in a dir", DIR1, 2, 1, NOTE_WRITE, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, SYMLINK, 2, (void*)DOTDOT, (void*)pathbuf);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)pathbuf, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	/* exchangedata is not supported on APFS volumes */
	if (!path_on_apfs(PDIR)) {
		/* This actually should not generate an event, though it's in this section */
		makepath(pathbuf, DIR1, FILE1);
		makepath(otherpathbuf, DIR1, FILE2);
		init_test(&test, "2.1.14: exchangedata two files in a dir", DIR1, 3, 3, NOTE_WRITE, NO_EVENT);
		test.t_known_failure = 1;
		init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
		init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
		init_action(&(test.t_prep_actions[2]), NOSLEEP, CREAT, 2, (void*)otherpathbuf, (void*)NULL);
		init_action(&test.t_helpthreadact, SLEEP, EXCHANGEDATA, 2, (void*)pathbuf, (void*)otherpathbuf);
		init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
		init_action(&test.t_cleanup_actions[1], NOSLEEP, UNLINK, 2, (void*)otherpathbuf, (void*)NULL);
		init_action(&test.t_cleanup_actions[2], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "2.1.15: Change a file with mmap()", FILE1, 1, 1, NOTE_WRITE, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, MMAP, 2, (void*)FILE1, (void*)1); /* 1 -> "modify it"*/
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	/*================= no-event tests ==================*/
	init_test(&test, "2.2.1: just open and close existing file", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, OPEN, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.2.2: read from existing file", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, READ, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.2.3: rename existing file", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.2.4: just open and close dir", DIR1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, OPEN, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	/* There are no tests 2.2.5 or 2.2.6 */

	init_test(&test, "2.2.7: rename a dir", DIR1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.2.8: rename a fifo", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	test.t_file_is_fifo = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, (void*)NULL);
	execute_test(&test);

	init_test(&test, "2.2.9: unlink a fifo", FILE1, 1, 0, NOTE_WRITE, NO_EVENT);
	test.t_file_is_fifo = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);

	init_test(&test, "2.2.10: chmod a file", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CHMOD, 2, (void*)FILE1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	struct passwd *pwd = getpwnam("local");

	if (pwd != NULL) {
		init_test(&test, "2.2.11: chown a file", FILE1, 2, 1, NOTE_WRITE, NO_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
		init_action(&test.t_prep_actions[1], NOSLEEP, CHOWN, 3, (void*)FILE1, (void*)pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, (void*)FILE1, (void*)getuid(), (void*)getgid());
		init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "2.2.12: chmod a dir", DIR1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CHMOD, 2, (void*)DIR1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	if (pwd != NULL) {
		init_test(&test, "2.2.13: chown a dir", DIR1, 2, 1, NOTE_WRITE, NO_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
		init_action(&test.t_prep_actions[1], NOSLEEP, CHOWN, 3, (void*)DIR1, (void*)pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, (void*)DIR1, (void*)getuid(), (void*)getgid());
		init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
		execute_test(&test);
	}

	T_LOG("MMAP will never give a notification on HFS.\n");
	init_test(&test, "2.1.14: mmap() a file but do not change it", FILE1, 1, 1, NOTE_WRITE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, MMAP, 2, (void*)FILE1, (void*)0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);
}

void
run_note_extend_tests()
{
	test_t test;
	char pathbuf[50];

	T_LOG("THESE TESTS MAY FAIL ON HFS\n");

	init_test(&test, "3.1.1: write beyond the end of a file", FILE1, 1, 1, NOTE_EXTEND, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	/*
	 * We won't concern ourselves with lengthening directories: commenting these out
	 *
	 *
	 *  makepath(pathbuf, DIR1, FILE1);
	 *  init_test(&test, "3.1.2: add a file to a directory with creat()", DIR1, 1, 2, NOTE_EXTEND, YES_EVENT);
	 *  init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	 *  init_action(&test.t_helpthreadact, SLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	 *  execute_test(&test);
	 *
	 *  makepath(pathbuf, DIR1, FILE1);
	 *  init_test(&test, "3.1.3: add a file to a directory with open()", DIR1, 1, 2, NOTE_EXTEND, YES_EVENT);
	 *  init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	 *  init_action(&test.t_helpthreadact, SLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	 *  execute_test(&test);
	 *
	 *  makepath(pathbuf, DIR1, FILE1);
	 *  init_test(&test, "3.1.4: add a file to a directory with rename()", DIR1, 2, 2, NOTE_EXTEND, YES_EVENT);
	 *  init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	 *  init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	 *  init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)pathbuf);
	 *  init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	 *  execute_test(&test);
	 */

	/* 3.1.5: a placeholder for a potential kernel test */
	/*
	 *  makepath(pathbuf, DIR1, DIR2);
	 *  init_test(&test, "3.1.6: add a file to a directory with mkdir()", DIR1, 1, 2, NOTE_EXTEND, YES_EVENT);
	 *  init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	 *  init_action(&test.t_helpthreadact, SLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)pathbuf, (void*)NULL);
	 *  init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	 *  execute_test(&test);
	 */
	init_test(&test, "3.1.7: lengthen a file with truncate()", FILE1, 1, 1, NOTE_EXTEND, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, LENGTHEN, 2, FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);


	/** ========== NO EVENT SECTION ============== **/
	init_test(&test, "3.2.1: setxattr() a file", FILE1, 1, 1, NOTE_EXTEND, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SETXATTR, 2, FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "3.2.2: chmod a file", FILE1, 1, 1, NOTE_EXTEND, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CHMOD, 2, (void*)FILE1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	struct passwd *pwd = getpwnam("local");
	if (pwd != NULL) {
		init_test(&test, "3.2.3: chown a file", FILE1, 2, 1, NOTE_EXTEND, NO_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
		init_action(&test.t_prep_actions[1], NOSLEEP, CHOWN, 3, (void*)FILE1, (void*)pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, (void*)FILE1, (void*)getuid(), (void*)getgid());
		init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
		execute_test(&test);
	} else {
		T_LOG("Couldn't getpwnam for user \"local\"\n");
	}

	init_test(&test, "3.2.4: chmod a dir", DIR1, 1, 1, NOTE_EXTEND, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CHMOD, 2, (void*)DIR1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	if (pwd != NULL) {
		init_test(&test, "3.2.5: chown a dir", DIR1, 2, 1, NOTE_EXTEND, NO_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
		init_action(&test.t_prep_actions[1], NOSLEEP, CHOWN, 3, (void*)DIR1, (void*)pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, (void*)DIR1, (void*)getuid(), (void*)getgid());
		init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "3.2.6: TRUNC a file with truncate()", FILE1, 1, 1, NOTE_EXTEND, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, TRUNC, 2, FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);
}

void
run_note_attrib_tests()
{
	test_t test;
	char pathbuf[50];

	init_test(&test, "4.1.1: chmod a file", FILE1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CHMOD, 2, FILE1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	struct passwd *pwd = getpwnam("local");
	if (pwd != NULL) {
		init_test(&test, "4.1.2: chown a file", FILE1, 2, 1, NOTE_ATTRIB, YES_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
		init_action(&(test.t_prep_actions[1]), NOSLEEP, CHOWN, 3, (void*)FILE1, (void*)pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, FILE1, (void*)getuid(), (void*)pwd->pw_gid);
		init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "4.1.3: chmod a dir", DIR1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_helpthreadact), SLEEP, CHMOD, 2, (void*)DIR1, (void*)0700);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	if (pwd != NULL) {
		init_test(&test, "4.1.4: chown a dir", DIR1, 2, 1, NOTE_ATTRIB, YES_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
		init_action(&(test.t_prep_actions[1]), NOSLEEP, CHOWN, 3, (void*)DIR1, (void*) pwd->pw_uid, (void*)pwd->pw_gid);
		init_action(&test.t_helpthreadact, SLEEP, CHOWN, 3, DIR1, (void*)getuid(), (void*)getgid());
		init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "4.1.5: setxattr on a file", FILE1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SETXATTR, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.1.6: setxattr on a dir", DIR1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SETXATTR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	/* exchangedata is not supported on APFS volumes */
	if (!path_on_apfs(PDIR)) {
		init_test(&test, "4.1.7: exchangedata", FILE1, 2, 2, NOTE_ATTRIB, YES_EVENT);
		init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
		init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
		init_action(&test.t_helpthreadact, SLEEP, EXCHANGEDATA, 2, (void*)FILE1, (void*)FILE2);
		init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
		init_action(&test.t_cleanup_actions[1], NOSLEEP, UNLINK, 2, (void*)FILE2, (void*)NULL);
		execute_test(&test);
	}

	init_test(&test, "4.1.8: utimes on a file", FILE1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UTIMES, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.1.9: utimes on a dir", DIR1, 1, 1, NOTE_ATTRIB, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UTIMES, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);


	/* ====== NO EVENT TESTS ========== */

	init_test(&test, "4.2.1: rename a file", FILE1, 1, 1, NOTE_ATTRIB, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "4.2.2: open (do not change) a file", FILE1, 1, 1, NOTE_ATTRIB, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, OPEN, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "4.2.3: stat a file", FILE1, 1, 1, NOTE_ATTRIB, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, STAT, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "4.2.4: unlink a file", FILE1, 1, 0, NOTE_ATTRIB, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "4.2.5: write to a file", FILE1, 1, 1, NOTE_ATTRIB, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);

	T_LOG("EXPECT SPURIOUS NOTE_ATTRIB EVENTS FROM DIRECTORY OPERATIONS on HFS.\n");
	init_test(&test, "4.2.6: add a file to a directory with creat()", DIR1, 1, 2, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, FILE1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.2.7: mkdir in a dir", DIR1, 1, 2, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, DIR2);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.2.8: add a symlink to a directory", DIR1, 1, 2, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, FILE1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SYMLINK, 2, (void*)DOTDOT, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.2.9: rename into a dir()", DIR1, 2, 2, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, FILE1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.2.10: unlink() file from dir", DIR1, 2, 1, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, FILE1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	init_test(&test, "4.2.11: mkfifo in a directory", DIR1, 1, 2, NOTE_ATTRIB, NO_EVENT);
	test.t_known_failure = 1;
	makepath(pathbuf, DIR1, FILE1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, MKFIFO, 1, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);
}


void
run_note_link_tests()
{
	test_t test;
	char pathbuf[50];
	char otherpathbuf[50];

	T_LOG("HFS DOES NOT HANDLE UNLINK CORRECTLY...\n");
	init_test(&test, "5.1.1: unlink() a file", FILE1, 1, 0, NOTE_LINK, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE1, (void*)NULL);
	execute_test(&test);


	init_test(&test, "5.1.1.5: link A to B, watch A, remove B", FILE1, 2, 1, NOTE_LINK, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, HARDLINK, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "5.1.2: link() to a file", FILE1, 1, 2, NOTE_LINK, YES_EVENT);
#if TARGET_OS_WATCH
	test.t_nondeterministic = 1;
#endif
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, HARDLINK, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, DIR2);
	init_test(&test, "5.1.3: make one dir in another", DIR1, 1, 2, NOTE_LINK, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, DIR2);
	init_test(&test, "5.1.4: rmdir a dir from within another", DIR1, 2, 1, NOTE_LINK, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RMDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, DIR2);
	makepath(otherpathbuf, DIR1, DIR1);
	init_test(&test, "5.1.5: rename dir A over dir B inside dir C", DIR1, 3, 2, NOTE_LINK, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&(test.t_prep_actions[2]), NOSLEEP, MKDIR, 2, (void*)otherpathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)pathbuf, (void*)otherpathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)otherpathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	T_LOG("HFS bypasses hfs_makenode to create in target, so misses knote.\n");
	makepath(pathbuf, DIR1, DIR2);
	init_test(&test, "5.1.6: rename one dir into another", DIR1, 2, 2, NOTE_LINK, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR2, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	T_LOG("HFS bypasses hfs_removedir to remove from source, so misses knote.\n");
	makepath(pathbuf, DIR1, DIR2);
	init_test(&test, "5.1.7: rename one dir out of another", DIR1, 2, 2, NOTE_LINK, YES_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)pathbuf, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	init_test(&test, "5.1.8: rmdir a dir", DIR1, 1, 0, NOTE_LINK, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RMDIR, 2, (void*)DIR1, (void*)NULL);
	execute_test(&test);

	/* ============= NO EVENT SECTION ============== */
	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "5.2.1: make a file in a dir", DIR1, 1, 2, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "5.2.2: unlink a file in a dir", DIR1, 2, 1, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	makepath(otherpathbuf, DIR1, FILE2);
	init_test(&test, "5.2.3: rename a file within a dir", DIR1, 2, 2, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)pathbuf, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)pathbuf, (void*)otherpathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)otherpathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "5.2.4: rename a file into a dir", DIR1, 2, 2, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	makepath(pathbuf, DIR1, FILE1);
	init_test(&test, "5.2.5: make a symlink in a dir", DIR1, 1, 2, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SYMLINK, 2, (void*)DOTDOT, (void*)pathbuf);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)pathbuf, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	init_test(&test, "5.2.6: make a symlink to a dir", DIR1, 1, 2, NOTE_LINK, NO_EVENT);
	test.t_known_failure = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SYMLINK, 2, (void*)DIR1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	init_test(&test, "5.2.7: make a symlink to a file", FILE1, 1, 2, NOTE_LINK, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, SYMLINK, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);
}

void
run_note_rename_tests()
{
	test_t test;

	init_test(&test, "6.1.1: rename a file", FILE1, 1, 1, NOTE_RENAME, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "6.1.2: rename a dir", DIR1, 1, 1, NOTE_RENAME, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
	execute_test(&test);

	init_test(&test, "6.1.3: rename one file over another", FILE1, 2, 1, NOTE_RENAME, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "6.1.4: rename one dir over another", DIR1, 2, 1, NOTE_RENAME, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
	execute_test(&test);

	/* ========= NO EVENT SECTION =========== */

	init_test(&test, "6.2.1: unlink a file", FILE1, 1, 0, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "6.2.2: rmdir a dir", DIR1, 1, 0, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);

	init_test(&test, "6.2.3: link() to a file", FILE1, 1, 2, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, HARDLINK, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	init_action(&test.t_cleanup_actions[1], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "6.2.4: rename one file over another: watch deceased",
	    FILE2, 2, 1, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, CREAT, 2, (void*)FILE2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "6.2.5: rename one dir over another: watch deceased",
	    DIR2, 2, 1, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, MKDIR, 2, (void*)DIR2, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR2, NULL);
	execute_test(&test);

	init_test(&test, "6.2.6: rename a file to itself", FILE1, 1, 1, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "6.2.7: rename a dir to itself", DIR1, 1, 1, NOTE_RENAME, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKDIR, 2, (void*)DIR1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)DIR1, (void*)DIR1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, RMDIR, 2, (void*)DIR1, NULL);
	execute_test(&test);
}

void
run_note_revoke_tests()
{
	test_t test;
	init_test(&test, "7.1.1: revoke file", FILE1, 1, 1, NOTE_REVOKE, YES_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, REVOKE, 1, (void*)FILE1);
	init_action(&(test.t_cleanup_actions[0]), NOSLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);

	init_test(&test, "7.2.1: delete file", FILE1, 1, 0, NOTE_REVOKE, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);
}


void
run_evfilt_read_tests()
{
	test_t test;
	init_test(&test, "8.1.1: how much data in file of length LENGTHEN_SIZE?", FILE1, 2, 1, EVFILT_READ, LENGTHEN_SIZE);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, LENGTHEN, 2, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "8.1.2: block, then write to file", FILE1, 2, 1, EVFILT_READ, strlen(TEST_STRING));
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, TRUNC, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "8.1.3: block, then extend", FILE1, 2, 1, EVFILT_READ, LENGTHEN_SIZE);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, TRUNC, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, LENGTHEN, 1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "8.1.4: block, then seek to beginning", FILE1, 2, 1, EVFILT_READ, strlen(TEST_STRING));
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, WRITE, 1, (void*)FILE1);
	test.t_read_to_end_first = 1; /* hack means that we've gotten to EOF before we block */
	init_action(&test.t_helpthreadact, SLEEP, LSEEK, 1, (void*)0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);


	init_test(&test, "8.1.5: block, then write to fifo", FILE1, 1, 1, EVFILT_READ, strlen(TEST_STRING));
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	/* No result section... */
	init_test(&test, "8.2.1: just rename", FILE1, 2, 1, EVFILT_READ, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, TRUNC, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, RENAME, 2, (void*)FILE1, (void*)FILE2);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE2, NULL);
	execute_test(&test);

	init_test(&test, "8.2.2: delete file", FILE1, 2, 0, EVFILT_READ, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, TRUNC, 1, (void*)FILE1);
	init_action(&test.t_helpthreadact, SLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);

	init_test(&test, "8.2.3: write to beginning", FILE1, 2, 1, EVFILT_READ, NO_EVENT);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, WRITE, 1, (void*)FILE1);
	test.t_read_to_end_first = 1; /* hack means that we've gotten to EOF before we block */
	init_action(&test.t_helpthreadact, SLEEP, WRITE, 1, (void*)FILE1);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 1, (void*)FILE1);
	execute_test(&test);

	init_test(&test, "8.1.4: block, then seek to current location", FILE1, 2, 1, EVFILT_READ, 0);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, WRITE, 1, (void*)FILE1);
	test.t_read_to_end_first = 1; /* hack means that we've gotten to EOF before we block */
	init_action(&test.t_helpthreadact, SLEEP, LSEEK, 1, (void*)strlen(TEST_STRING));
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "8.2.5: trying to read from empty fifo", FILE1, 1, 1, EVFILT_READ, 0);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 1, (void*)0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);
}



void*
read_from_fd(void *arg)
{
	char buf[50];
	int fd = (int) arg;
	usleep(USLEEP_TIME);
	return (void*) read(fd, buf, sizeof(buf));
}

void*
write_to_fd(void *arg)
{
	char buf[50];
	int fd = (int) arg;
	usleep(USLEEP_TIME);
	return (void*) write(fd, buf, sizeof(buf));
}

/*
 * We don't (in principle) support EVFILT_WRITE for vnodes; thusly, no tests here
 */
void
run_evfilt_write_tests()
{
	test_t test;
	init_test(&test, "9.1.1: how much space in empty fifo?", FILE1, 1, 1, EVFILT_WRITE, FIFO_SPACE);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "9.1.2: how much space in slightly written fifo?", FILE1, 1, 1, EVFILT_WRITE, FIFO_SPACE - strlen(TEST_STRING));
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	test.t_write_some_data = 1;
	init_action(&(test.t_helpthreadact), NOSLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_test(&test, "9.2.1: how much space in a full fifo?", FILE1, 1, 1, EVFILT_WRITE, 0);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_nondeterministic = 1;
	test.t_file_is_fifo = 1;
	test.t_extra_sleep_hack = 1;
	init_action(&(test.t_helpthreadact), NOSLEEP, FILLFD, 1, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);
}

void
run_poll_tests()
{
	test_t test;
	init_poll_test(&test, "10.1.1: does poll say I can write a regular file?", FILE1, 1, 1, POLLWRNORM, 1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_poll_test(&test, "10.1.2: does poll say I can write an empty FIFO?", FILE1, 1, 1, POLLWRNORM, 1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_poll_test(&test, "10.1.3: does poll say I can read a nonempty FIFO?", FILE1, 1, 1, POLLRDNORM, 1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	test.t_write_some_data = 1;
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_poll_test(&test, "10.1.4: does poll say I can read a nonempty regular file?", FILE1, 2, 1, POLLRDNORM, 1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1, (void*)NULL);
	init_action(&(test.t_prep_actions[1]), NOSLEEP, LENGTHEN, 1, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_poll_test(&test, "10.1.5: does poll say I can read an empty file?", FILE1, 1, 1, POLLRDNORM, 1);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 1, (void*)FILE1, (void*)NULL);
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);




	init_poll_test(&test, "10.2.2: does poll say I can read an empty FIFO?", FILE1, 1, 1, POLLRDNORM, 0);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_file_is_fifo = 1;
	init_action(&test.t_helpthreadact, SLEEP, NOTHING, 0);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	execute_test(&test);

	init_poll_test(&test, "10.2.3: does poll say I can write a full FIFO?", FILE1, 1, 1, POLLWRNORM, 0);
	init_action(&(test.t_prep_actions[0]), NOSLEEP, MKFIFO, 1, (void*)FILE1, (void*)NULL);
	test.t_nondeterministic = 1;
	test.t_file_is_fifo = 1;
	test.t_extra_sleep_hack = 1;
	init_action(&(test.t_helpthreadact), NOSLEEP, FILLFD, 1, (void*)FILE1, (void*)NULL);
	init_action(&test.t_cleanup_actions[0], NOSLEEP, UNLINK, 2, (void*)FILE1, NULL);
	test.t_known_failure = 1;
	execute_test(&test);
}

void
run_note_funlock_tests()
{
	test_t test;
	init_test(&test, "11.1.1: unlock file", FILE1, 1, 1, NOTE_FUNLOCK, YES_EVENT);
	test.t_nondeterministic = 1;
	init_action(&(test.t_prep_actions[0]), NOSLEEP, CREAT, 2, (void*)FILE1, (void *)NULL);
	init_action(&test.t_helpthreadact, SLEEP, FUNLOCK, 2, (void*)FILE1, (void *)NULL);
	init_action(&(test.t_cleanup_actions[0]), NOSLEEP, UNLINK, 2, (void*)FILE1, (void *)NULL);
	execute_test(&test);
}

void
run_all_tests()
{
	run_note_delete_tests();
	run_note_write_tests();
	run_note_extend_tests();
	run_note_attrib_tests();
	run_note_link_tests();
	run_note_rename_tests();
#if 0
	run_note_revoke_tests(); /* Can no longer revoke a regular file--need an unmount test */
#endif /* 0 */
	run_evfilt_read_tests();
	run_evfilt_write_tests();
	run_poll_tests();
	run_note_funlock_tests();
}

T_DECL(kqueue_file_tests,
    "Tests assorted kqueue operations for file-related events", T_META_TAG_VM_PREFERRED)
{
	char *which = NULL;
	if (argc > 1) {
		which = argv[1];
	}

	T_SETUPBEGIN;
	rmdir(DIR1);
	rmdir(DIR2);
	T_SETUPEND;

	if ((!which) || (strcmp(which, "all") == 0)) {
		run_all_tests();
	} else if (strcmp(which, "delete") == 0) {
		run_note_delete_tests();
	} else if (strcmp(which, "write") == 0) {
		run_note_write_tests();
	} else if (strcmp(which, "extend") == 0) {
		run_note_extend_tests();
	} else if (strcmp(which, "attrib") == 0) {
		run_note_attrib_tests();
	} else if (strcmp(which, "link") == 0) {
		run_note_link_tests();
	} else if (strcmp(which, "rename") == 0) {
		run_note_rename_tests();
	} else if (strcmp(which, "revoke") == 0) {
		run_note_revoke_tests();
	} else if (strcmp(which, "evfiltread") == 0) {
		run_evfilt_read_tests();
	} else if (strcmp(which, "evfiltwrite") == 0) {
		run_evfilt_write_tests();
	} else if (strcmp(which, "poll") == 0) {
		run_poll_tests();
	} else if (strcmp(which, "funlock") == 0) {
		run_note_funlock_tests();
	} else {
		fprintf(stderr, "Valid options are:\n\tdelete, write, extend, "
		    "attrib, link, rename, revoke, evfiltread, "
		    "fifo, all, evfiltwrite, funlock<none>\n");
		exit(1);
	}
}