2 * Copyright (c) 2004 Robert N. M. Watson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Regression test to do some very basic AIO exercising on several types of
31 * file descriptors. Currently, the tests consist of initializing a fixed
32 * size buffer with pseudo-random data, writing it to one fd using AIO, then
33 * reading it from a second descriptor using AIO. For some targets, the same
34 * fd is used for write and read (i.e., file, md device), but for others the
35 * operation is performed on a peer (pty, socket, fifo, etc). For each file
36 * descriptor type, several completion methods are tested. This test program
37 * does not attempt to exercise error cases or more subtle asynchronous
38 * behavior, just make sure that the basic operations work on some basic object
42 #include <sys/param.h>
43 #include <sys/module.h>
44 #include <sys/resource.h>
45 #include <sys/socket.h>
47 #include <sys/mdioctl.h>
55 #include <semaphore.h>
65 #include "freebsd_test_suite/macros.h"
69 * GLOBAL_MAX sets the largest usable buffer size to be read and written, as
70 * it sizes ac_buffer in the aio_context structure. It is also the default
71 * size for file I/O. For other types, we use smaller blocks or we risk
72 * blocking (and we run in a single process/thread so that would be bad).
74 #define GLOBAL_MAX 16384
76 #define BUFFER_MAX GLOBAL_MAX
79 * A completion function will block until the aio has completed, then return
80 * the result of the aio. errno will be set appropriately.
82 typedef ssize_t (*completion)(struct aiocb*);
85 int ac_read_fd, ac_write_fd;
87 char ac_buffer[GLOBAL_MAX];
92 static sem_t completions;
96 * Fill a buffer given a seed that can be fed into srandom() to initialize
97 * the PRNG in a repeatable manner.
100 aio_fill_buffer(char *buffer, int len, long seed)
106 for (i = 0; i < len; i++) {
107 ch = random() & 0xff;
113 * Test that a buffer matches a given seed. See aio_fill_buffer(). Return
114 * (1) on a match, (0) on a mismatch.
117 aio_test_buffer(char *buffer, int len, long seed)
123 for (i = 0; i < len; i++) {
124 ch = random() & 0xff;
132 * Initialize a testing context given the file descriptors provided by the
136 aio_context_init(struct aio_context *ac, int read_fd,
137 int write_fd, int buflen)
140 ATF_REQUIRE_MSG(buflen <= BUFFER_MAX,
141 "aio_context_init: buffer too large (%d > %d)",
143 bzero(ac, sizeof(*ac));
144 ac->ac_read_fd = read_fd;
145 ac->ac_write_fd = write_fd;
146 ac->ac_buflen = buflen;
148 ac->ac_seed = random();
149 aio_fill_buffer(ac->ac_buffer, buflen, ac->ac_seed);
150 ATF_REQUIRE_MSG(aio_test_buffer(ac->ac_buffer, buflen,
151 ac->ac_seed) != 0, "aio_test_buffer: internal error");
155 poll(struct aiocb *aio)
159 while ((error = aio_error(aio)) == EINPROGRESS)
164 return (aio_return(aio));
168 sigusr1_handler(int sig __unused)
170 ATF_REQUIRE_EQ(0, sem_post(&completions));
174 thr_handler(union sigval sv __unused)
176 ATF_REQUIRE_EQ(0, sem_post(&completions));
180 poll_signaled(struct aiocb *aio)
184 ATF_REQUIRE_EQ(0, sem_wait(&completions));
185 error = aio_error(aio);
191 return (aio_return(aio));
198 * Setup a signal handler for signal delivery tests
199 * This isn't thread safe, but it's ok since ATF runs each testcase in a
202 static struct sigevent*
205 static struct sigevent sev;
207 ATF_REQUIRE_EQ(0, sem_init(&completions, false, 0));
208 sev.sigev_notify = SIGEV_SIGNAL;
209 sev.sigev_signo = SIGUSR1;
210 ATF_REQUIRE(SIG_ERR != signal(SIGUSR1, sigusr1_handler));
215 * Setup a thread for thread delivery tests
216 * This isn't thread safe, but it's ok since ATF runs each testcase in a
219 static struct sigevent*
222 static struct sigevent sev;
224 ATF_REQUIRE_EQ(0, sem_init(&completions, false, 0));
225 sev.sigev_notify = SIGEV_THREAD;
226 sev.sigev_notify_function = thr_handler;
227 sev.sigev_notify_attributes = NULL;
232 suspend(struct aiocb *aio)
234 const struct aiocb *const iocbs[] = {aio};
237 error = aio_suspend(iocbs, 1, NULL);
239 return (aio_return(aio));
245 waitcomplete(struct aiocb *aio)
250 ret = aio_waitcomplete(&aiop, NULL);
251 ATF_REQUIRE_EQ(aio, aiop);
256 * Perform a simple write test of our initialized data buffer to the provided
260 aio_write_test(struct aio_context *ac, completion comp, struct sigevent *sev)
265 bzero(&aio, sizeof(aio));
266 aio.aio_buf = ac->ac_buffer;
267 aio.aio_nbytes = ac->ac_buflen;
268 aio.aio_fildes = ac->ac_write_fd;
271 aio.aio_sigevent = *sev;
273 if (aio_write(&aio) < 0)
274 atf_tc_fail("aio_write failed: %s", strerror(errno));
278 atf_tc_fail("aio failed: %s", strerror(errno));
280 if (len != ac->ac_buflen)
281 atf_tc_fail("aio short write (%jd)", (intmax_t)len);
285 * Perform a simple read test of our initialized data buffer from the
286 * provided file descriptor.
289 aio_read_test(struct aio_context *ac, completion comp, struct sigevent *sev)
294 bzero(ac->ac_buffer, ac->ac_buflen);
295 bzero(&aio, sizeof(aio));
296 aio.aio_buf = ac->ac_buffer;
297 aio.aio_nbytes = ac->ac_buflen;
298 aio.aio_fildes = ac->ac_read_fd;
301 aio.aio_sigevent = *sev;
303 if (aio_read(&aio) < 0)
304 atf_tc_fail("aio_read failed: %s", strerror(errno));
308 atf_tc_fail("aio failed: %s", strerror(errno));
310 ATF_REQUIRE_EQ_MSG(len, ac->ac_buflen,
311 "aio short read (%jd)", (intmax_t)len);
313 if (aio_test_buffer(ac->ac_buffer, ac->ac_buflen, ac->ac_seed) == 0)
314 atf_tc_fail("buffer mismatched");
318 * Series of type-specific tests for AIO. For now, we just make sure we can
319 * issue a write and then a read to each type. We assume that once a write
320 * is issued, a read can follow.
324 * Test with a classic file. Assumes we can create a moderate size temporary
327 #define FILE_LEN GLOBAL_MAX
328 #define FILE_PATHNAME "testfile"
331 aio_file_test(completion comp, struct sigevent *sev)
333 struct aio_context ac;
336 ATF_REQUIRE_KERNEL_MODULE("aio");
337 ATF_REQUIRE_UNSAFE_AIO();
339 fd = open(FILE_PATHNAME, O_RDWR | O_CREAT, 0600);
340 ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
342 aio_context_init(&ac, fd, fd, FILE_LEN);
343 aio_write_test(&ac, comp, sev);
344 aio_read_test(&ac, comp, sev);
348 ATF_TC_WITHOUT_HEAD(file_poll);
349 ATF_TC_BODY(file_poll, tc)
351 aio_file_test(poll, NULL);
354 ATF_TC_WITHOUT_HEAD(file_signal);
355 ATF_TC_BODY(file_signal, tc)
357 aio_file_test(poll_signaled, setup_signal());
360 ATF_TC_WITHOUT_HEAD(file_suspend);
361 ATF_TC_BODY(file_suspend, tc)
363 aio_file_test(suspend, NULL);
366 ATF_TC_WITHOUT_HEAD(file_thread);
367 ATF_TC_BODY(file_thread, tc)
369 aio_file_test(poll_signaled, setup_thread());
372 ATF_TC_WITHOUT_HEAD(file_waitcomplete);
373 ATF_TC_BODY(file_waitcomplete, tc)
375 aio_file_test(waitcomplete, NULL);
379 #define FIFO_PATHNAME "testfifo"
382 aio_fifo_test(completion comp, struct sigevent *sev)
384 int error, read_fd = -1, write_fd = -1;
385 struct aio_context ac;
387 ATF_REQUIRE_KERNEL_MODULE("aio");
388 ATF_REQUIRE_UNSAFE_AIO();
390 ATF_REQUIRE_MSG(mkfifo(FIFO_PATHNAME, 0600) != -1,
391 "mkfifo failed: %s", strerror(errno));
393 read_fd = open(FIFO_PATHNAME, O_RDONLY | O_NONBLOCK);
397 atf_tc_fail("read_fd open failed: %s",
401 write_fd = open(FIFO_PATHNAME, O_WRONLY);
402 if (write_fd == -1) {
405 atf_tc_fail("write_fd open failed: %s",
409 aio_context_init(&ac, read_fd, write_fd, FIFO_LEN);
410 aio_write_test(&ac, comp, sev);
411 aio_read_test(&ac, comp, sev);
417 ATF_TC_WITHOUT_HEAD(fifo_poll);
418 ATF_TC_BODY(fifo_poll, tc)
420 aio_fifo_test(poll, NULL);
423 ATF_TC_WITHOUT_HEAD(fifo_signal);
424 ATF_TC_BODY(fifo_signal, tc)
426 aio_fifo_test(poll_signaled, setup_signal());
429 ATF_TC_WITHOUT_HEAD(fifo_suspend);
430 ATF_TC_BODY(fifo_suspend, tc)
432 aio_fifo_test(suspend, NULL);
435 ATF_TC_WITHOUT_HEAD(fifo_thread);
436 ATF_TC_BODY(fifo_thread, tc)
438 aio_fifo_test(poll_signaled, setup_thread());
441 ATF_TC_WITHOUT_HEAD(fifo_waitcomplete);
442 ATF_TC_BODY(fifo_waitcomplete, tc)
444 aio_fifo_test(waitcomplete, NULL);
447 #define UNIX_SOCKETPAIR_LEN 256
449 aio_unix_socketpair_test(completion comp, struct sigevent *sev)
451 struct aio_context ac;
452 struct rusage ru_before, ru_after;
455 ATF_REQUIRE_KERNEL_MODULE("aio");
457 ATF_REQUIRE_MSG(socketpair(PF_UNIX, SOCK_STREAM, 0, sockets) != -1,
458 "socketpair failed: %s", strerror(errno));
460 aio_context_init(&ac, sockets[0], sockets[1], UNIX_SOCKETPAIR_LEN);
461 ATF_REQUIRE_MSG(getrusage(RUSAGE_SELF, &ru_before) != -1,
462 "getrusage failed: %s", strerror(errno));
463 aio_write_test(&ac, comp, sev);
464 ATF_REQUIRE_MSG(getrusage(RUSAGE_SELF, &ru_after) != -1,
465 "getrusage failed: %s", strerror(errno));
466 ATF_REQUIRE(ru_after.ru_msgsnd == ru_before.ru_msgsnd + 1);
467 ru_before = ru_after;
468 aio_read_test(&ac, comp, sev);
469 ATF_REQUIRE_MSG(getrusage(RUSAGE_SELF, &ru_after) != -1,
470 "getrusage failed: %s", strerror(errno));
471 ATF_REQUIRE(ru_after.ru_msgrcv == ru_before.ru_msgrcv + 1);
477 ATF_TC_WITHOUT_HEAD(socket_poll);
478 ATF_TC_BODY(socket_poll, tc)
480 aio_unix_socketpair_test(poll, NULL);
483 ATF_TC_WITHOUT_HEAD(socket_signal);
484 ATF_TC_BODY(socket_signal, tc)
486 aio_unix_socketpair_test(poll_signaled, setup_signal());
489 ATF_TC_WITHOUT_HEAD(socket_suspend);
490 ATF_TC_BODY(socket_suspend, tc)
492 aio_unix_socketpair_test(suspend, NULL);
495 ATF_TC_WITHOUT_HEAD(socket_thread);
496 ATF_TC_BODY(socket_thread, tc)
498 aio_unix_socketpair_test(poll_signaled, setup_thread());
501 ATF_TC_WITHOUT_HEAD(socket_waitcomplete);
502 ATF_TC_BODY(socket_waitcomplete, tc)
504 aio_unix_socketpair_test(waitcomplete, NULL);
514 aio_pty_test(completion comp, struct sigevent *sev)
516 struct aio_context ac;
517 int read_fd, write_fd;
521 ATF_REQUIRE_KERNEL_MODULE("aio");
522 ATF_REQUIRE_UNSAFE_AIO();
524 ATF_REQUIRE_MSG(openpty(&read_fd, &write_fd, NULL, NULL, NULL) == 0,
525 "openpty failed: %s", strerror(errno));
528 if (tcgetattr(write_fd, &ts) < 0) {
531 atf_tc_fail("tcgetattr failed: %s", strerror(errno));
534 if (tcsetattr(write_fd, TCSANOW, &ts) < 0) {
537 atf_tc_fail("tcsetattr failed: %s", strerror(errno));
539 aio_context_init(&ac, read_fd, write_fd, PTY_LEN);
541 aio_write_test(&ac, comp, sev);
542 aio_read_test(&ac, comp, sev);
548 ATF_TC_WITHOUT_HEAD(pty_poll);
549 ATF_TC_BODY(pty_poll, tc)
551 aio_pty_test(poll, NULL);
554 ATF_TC_WITHOUT_HEAD(pty_signal);
555 ATF_TC_BODY(pty_signal, tc)
557 aio_pty_test(poll_signaled, setup_signal());
560 ATF_TC_WITHOUT_HEAD(pty_suspend);
561 ATF_TC_BODY(pty_suspend, tc)
563 aio_pty_test(suspend, NULL);
566 ATF_TC_WITHOUT_HEAD(pty_thread);
567 ATF_TC_BODY(pty_thread, tc)
569 aio_pty_test(poll_signaled, setup_thread());
572 ATF_TC_WITHOUT_HEAD(pty_waitcomplete);
573 ATF_TC_BODY(pty_waitcomplete, tc)
575 aio_pty_test(waitcomplete, NULL);
580 aio_pipe_test(completion comp, struct sigevent *sev)
582 struct aio_context ac;
585 ATF_REQUIRE_KERNEL_MODULE("aio");
586 ATF_REQUIRE_UNSAFE_AIO();
588 ATF_REQUIRE_MSG(pipe(pipes) != -1,
589 "pipe failed: %s", strerror(errno));
591 aio_context_init(&ac, pipes[0], pipes[1], PIPE_LEN);
592 aio_write_test(&ac, comp, sev);
593 aio_read_test(&ac, comp, sev);
599 ATF_TC_WITHOUT_HEAD(pipe_poll);
600 ATF_TC_BODY(pipe_poll, tc)
602 aio_pipe_test(poll, NULL);
605 ATF_TC_WITHOUT_HEAD(pipe_signal);
606 ATF_TC_BODY(pipe_signal, tc)
608 aio_pipe_test(poll_signaled, setup_signal());
611 ATF_TC_WITHOUT_HEAD(pipe_suspend);
612 ATF_TC_BODY(pipe_suspend, tc)
614 aio_pipe_test(suspend, NULL);
617 ATF_TC_WITHOUT_HEAD(pipe_thread);
618 ATF_TC_BODY(pipe_thread, tc)
620 aio_pipe_test(poll_signaled, setup_thread());
623 ATF_TC_WITHOUT_HEAD(pipe_waitcomplete);
624 ATF_TC_BODY(pipe_waitcomplete, tc)
626 aio_pipe_test(waitcomplete, NULL);
629 #define MD_LEN GLOBAL_MAX
630 #define MDUNIT_LINK "mdunit_link"
635 struct md_ioctl mdio;
636 int mdctl_fd, error, n, unit;
639 mdctl_fd = open("/dev/" MDCTL_NAME, O_RDWR, 0);
640 ATF_REQUIRE(mdctl_fd >= 0);
641 n = readlink(MDUNIT_LINK, buf, sizeof(buf));
643 if (sscanf(buf, "%d", &unit) == 1 && unit >= 0) {
644 bzero(&mdio, sizeof(mdio));
645 mdio.md_version = MDIOVERSION;
647 if (ioctl(mdctl_fd, MDIOCDETACH, &mdio) == -1) {
651 atf_tc_fail("ioctl MDIOCDETACH failed: %s",
661 aio_md_test(completion comp, struct sigevent *sev)
663 int error, fd, mdctl_fd, unit;
664 char pathname[PATH_MAX];
665 struct aio_context ac;
666 struct md_ioctl mdio;
669 ATF_REQUIRE_KERNEL_MODULE("aio");
671 mdctl_fd = open("/dev/" MDCTL_NAME, O_RDWR, 0);
672 ATF_REQUIRE_MSG(mdctl_fd != -1,
673 "opening /dev/%s failed: %s", MDCTL_NAME, strerror(errno));
675 bzero(&mdio, sizeof(mdio));
676 mdio.md_version = MDIOVERSION;
677 mdio.md_type = MD_MALLOC;
678 mdio.md_options = MD_AUTOUNIT | MD_COMPRESS;
679 mdio.md_mediasize = GLOBAL_MAX;
680 mdio.md_sectorsize = 512;
682 if (ioctl(mdctl_fd, MDIOCATTACH, &mdio) < 0) {
685 atf_tc_fail("ioctl MDIOCATTACH failed: %s", strerror(errno));
689 /* Store the md unit number in a symlink for future cleanup */
691 snprintf(buf, sizeof(buf), "%d", unit);
692 ATF_REQUIRE_EQ(0, symlink(buf, MDUNIT_LINK));
693 snprintf(pathname, PATH_MAX, "/dev/md%d", unit);
694 fd = open(pathname, O_RDWR);
695 ATF_REQUIRE_MSG(fd != -1,
696 "opening %s failed: %s", pathname, strerror(errno));
698 aio_context_init(&ac, fd, fd, MD_LEN);
699 aio_write_test(&ac, comp, sev);
700 aio_read_test(&ac, comp, sev);
705 ATF_TC_WITH_CLEANUP(md_poll);
706 ATF_TC_HEAD(md_poll, tc)
709 atf_tc_set_md_var(tc, "require.user", "root");
711 ATF_TC_BODY(md_poll, tc)
713 aio_md_test(poll, NULL);
715 ATF_TC_CLEANUP(md_poll, tc)
720 ATF_TC_WITH_CLEANUP(md_signal);
721 ATF_TC_HEAD(md_signal, tc)
724 atf_tc_set_md_var(tc, "require.user", "root");
726 ATF_TC_BODY(md_signal, tc)
728 aio_md_test(poll_signaled, setup_signal());
730 ATF_TC_CLEANUP(md_signal, tc)
735 ATF_TC_WITH_CLEANUP(md_suspend);
736 ATF_TC_HEAD(md_suspend, tc)
739 atf_tc_set_md_var(tc, "require.user", "root");
741 ATF_TC_BODY(md_suspend, tc)
743 aio_md_test(suspend, NULL);
745 ATF_TC_CLEANUP(md_suspend, tc)
750 ATF_TC_WITH_CLEANUP(md_thread);
751 ATF_TC_HEAD(md_thread, tc)
754 atf_tc_set_md_var(tc, "require.user", "root");
756 ATF_TC_BODY(md_thread, tc)
758 aio_md_test(poll_signaled, setup_thread());
760 ATF_TC_CLEANUP(md_thread, tc)
765 ATF_TC_WITH_CLEANUP(md_waitcomplete);
766 ATF_TC_HEAD(md_waitcomplete, tc)
769 atf_tc_set_md_var(tc, "require.user", "root");
771 ATF_TC_BODY(md_waitcomplete, tc)
773 aio_md_test(waitcomplete, NULL);
775 ATF_TC_CLEANUP(md_waitcomplete, tc)
780 ATF_TC_WITHOUT_HEAD(aio_large_read_test);
781 ATF_TC_BODY(aio_large_read_test, tc)
783 struct aiocb cb, *cbp;
791 ATF_REQUIRE_KERNEL_MODULE("aio");
792 ATF_REQUIRE_UNSAFE_AIO();
795 len = sizeof(clamped);
796 if (sysctlbyname("debug.iosize_max_clamp", &clamped, &len, NULL, 0) ==
798 atf_libc_error(errno, "Failed to read debug.iosize_max_clamp");
801 /* Determine the maximum supported read(2) size. */
808 fd = open(FILE_PATHNAME, O_RDWR | O_CREAT, 0600);
809 ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
811 unlink(FILE_PATHNAME);
813 memset(&cb, 0, sizeof(cb));
817 if (aio_read(&cb) == -1)
818 atf_tc_fail("aio_read() of maximum read size failed: %s",
821 nread = aio_waitcomplete(&cbp, NULL);
823 atf_tc_fail("aio_waitcomplete() failed: %s", strerror(errno));
825 atf_tc_fail("aio_read() from empty file returned data: %zd",
828 memset(&cb, 0, sizeof(cb));
829 cb.aio_nbytes = len + 1;
832 if (aio_read(&cb) == -1) {
835 atf_tc_fail("aio_read() of too large read size failed: %s",
839 nread = aio_waitcomplete(&cbp, NULL);
843 atf_tc_fail("aio_waitcomplete() failed: %s", strerror(errno));
845 atf_tc_fail("aio_read() of too large read size returned: %zd", nread);
852 * This tests for a bug where arriving socket data can wakeup multiple
853 * AIO read requests resulting in an uncancellable request.
855 ATF_TC_WITHOUT_HEAD(aio_socket_two_reads);
856 ATF_TC_BODY(aio_socket_two_reads, tc)
867 ATF_REQUIRE_KERNEL_MODULE("aio");
868 #if __FreeBSD_version < 1100101
869 aft_tc_skip("kernel version %d is too old (%d required)",
870 __FreeBSD_version, 1100101);
873 ATF_REQUIRE(socketpair(PF_UNIX, SOCK_STREAM, 0, s) != -1);
875 /* Queue two read requests. */
876 memset(&ioreq, 0, sizeof(ioreq));
877 for (i = 0; i < nitems(ioreq); i++) {
878 ioreq[i].iocb.aio_nbytes = sizeof(ioreq[i].buffer);
879 ioreq[i].iocb.aio_fildes = s[0];
880 ioreq[i].iocb.aio_buf = ioreq[i].buffer;
881 ATF_REQUIRE(aio_read(&ioreq[i].iocb) == 0);
884 /* Send a single byte. This should complete one request. */
886 ATF_REQUIRE(write(s[1], &c, sizeof(c)) == 1);
888 ATF_REQUIRE(aio_waitcomplete(&iocb, NULL) == 1);
890 /* Determine which request completed and verify the data was read. */
891 if (iocb == &ioreq[0].iocb)
895 ATF_REQUIRE(ioreq[i].buffer[0] == c);
900 * Try to cancel the other request. On broken systems this
901 * will fail and the process will hang on exit.
903 ATF_REQUIRE(aio_error(&ioreq[i].iocb) == EINPROGRESS);
904 ATF_REQUIRE(aio_cancel(s[0], &ioreq[i].iocb) == AIO_CANCELED);
911 * This test ensures that aio_write() on a blocking socket of a "large"
912 * buffer does not return a short completion.
914 ATF_TC_WITHOUT_HEAD(aio_socket_blocking_short_write);
915 ATF_TC_BODY(aio_socket_blocking_short_write, tc)
917 struct aiocb iocb, *iocbp;
920 int buffer_size, sb_size;
924 ATF_REQUIRE_KERNEL_MODULE("aio");
926 ATF_REQUIRE(socketpair(PF_UNIX, SOCK_STREAM, 0, s) != -1);
928 len = sizeof(sb_size);
929 ATF_REQUIRE(getsockopt(s[0], SOL_SOCKET, SO_RCVBUF, &sb_size, &len) !=
931 ATF_REQUIRE(len == sizeof(sb_size));
932 buffer_size = sb_size;
934 ATF_REQUIRE(getsockopt(s[1], SOL_SOCKET, SO_SNDBUF, &sb_size, &len) !=
936 ATF_REQUIRE(len == sizeof(sb_size));
937 if (sb_size > buffer_size)
938 buffer_size = sb_size;
941 * Use twice the size of the MAX(receive buffer, send buffer)
942 * to ensure that the write is split up into multiple writes
947 buffer[0] = malloc(buffer_size);
948 ATF_REQUIRE(buffer[0] != NULL);
949 buffer[1] = malloc(buffer_size);
950 ATF_REQUIRE(buffer[1] != NULL);
953 aio_fill_buffer(buffer[1], buffer_size, random());
955 memset(&iocb, 0, sizeof(iocb));
956 iocb.aio_fildes = s[1];
957 iocb.aio_buf = buffer[1];
958 iocb.aio_nbytes = buffer_size;
959 ATF_REQUIRE(aio_write(&iocb) == 0);
961 done = recv(s[0], buffer[0], buffer_size, MSG_WAITALL);
962 ATF_REQUIRE(done == buffer_size);
964 done = aio_waitcomplete(&iocbp, NULL);
965 ATF_REQUIRE(iocbp == &iocb);
966 ATF_REQUIRE(done == buffer_size);
968 ATF_REQUIRE(memcmp(buffer[0], buffer[1], buffer_size) == 0);
975 * This test verifies that cancelling a partially completed socket write
976 * returns a short write rather than ECANCELED.
978 ATF_TC_WITHOUT_HEAD(aio_socket_short_write_cancel);
979 ATF_TC_BODY(aio_socket_short_write_cancel, tc)
981 struct aiocb iocb, *iocbp;
984 int buffer_size, sb_size;
988 ATF_REQUIRE_KERNEL_MODULE("aio");
990 ATF_REQUIRE(socketpair(PF_UNIX, SOCK_STREAM, 0, s) != -1);
992 len = sizeof(sb_size);
993 ATF_REQUIRE(getsockopt(s[0], SOL_SOCKET, SO_RCVBUF, &sb_size, &len) !=
995 ATF_REQUIRE(len == sizeof(sb_size));
996 buffer_size = sb_size;
998 ATF_REQUIRE(getsockopt(s[1], SOL_SOCKET, SO_SNDBUF, &sb_size, &len) !=
1000 ATF_REQUIRE(len == sizeof(sb_size));
1001 if (sb_size > buffer_size)
1002 buffer_size = sb_size;
1005 * Use three times the size of the MAX(receive buffer, send
1006 * buffer) for the write to ensure that the write is split up
1007 * into multiple writes internally. The recv() ensures that
1008 * the write has partially completed, but a remaining size of
1009 * two buffers should ensure that the write has not completed
1010 * fully when it is cancelled.
1012 buffer[0] = malloc(buffer_size);
1013 ATF_REQUIRE(buffer[0] != NULL);
1014 buffer[1] = malloc(buffer_size * 3);
1015 ATF_REQUIRE(buffer[1] != NULL);
1018 aio_fill_buffer(buffer[1], buffer_size * 3, random());
1020 memset(&iocb, 0, sizeof(iocb));
1021 iocb.aio_fildes = s[1];
1022 iocb.aio_buf = buffer[1];
1023 iocb.aio_nbytes = buffer_size * 3;
1024 ATF_REQUIRE(aio_write(&iocb) == 0);
1026 done = recv(s[0], buffer[0], buffer_size, MSG_WAITALL);
1027 ATF_REQUIRE(done == buffer_size);
1029 ATF_REQUIRE(aio_error(&iocb) == EINPROGRESS);
1030 ATF_REQUIRE(aio_cancel(s[1], &iocb) == AIO_NOTCANCELED);
1032 done = aio_waitcomplete(&iocbp, NULL);
1033 ATF_REQUIRE(iocbp == &iocb);
1034 ATF_REQUIRE(done >= buffer_size && done <= buffer_size * 2);
1036 ATF_REQUIRE(memcmp(buffer[0], buffer[1], buffer_size) == 0);
1043 * test aio_fsync's behavior with bad inputs
1045 ATF_TC_WITHOUT_HEAD(aio_fsync_errors);
1046 ATF_TC_BODY(aio_fsync_errors, tc)
1051 ATF_REQUIRE_KERNEL_MODULE("aio");
1052 ATF_REQUIRE_UNSAFE_AIO();
1054 fd = open(FILE_PATHNAME, O_RDWR | O_CREAT, 0600);
1055 ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
1056 unlink(FILE_PATHNAME);
1058 /* aio_fsync should return EINVAL unless op is O_SYNC */
1059 memset(&iocb, 0, sizeof(iocb));
1060 iocb.aio_fildes = fd;
1061 ATF_CHECK_EQ(-1, aio_fsync(666, &iocb));
1062 ATF_CHECK_EQ(EINVAL, errno);
1064 /* aio_fsync should return EBADF if fd is not a valid descriptor */
1065 memset(&iocb, 0, sizeof(iocb));
1066 iocb.aio_fildes = 666;
1067 ATF_CHECK_EQ(-1, aio_fsync(O_SYNC, &iocb));
1068 ATF_CHECK_EQ(EBADF, errno);
1070 /* aio_fsync should return EINVAL if sigev_notify is invalid */
1071 memset(&iocb, 0, sizeof(iocb));
1072 iocb.aio_fildes = fd;
1073 iocb.aio_sigevent.sigev_notify = 666;
1074 ATF_CHECK_EQ(-1, aio_fsync(666, &iocb));
1075 ATF_CHECK_EQ(EINVAL, errno);
1079 * This test just performs a basic test of aio_fsync().
1081 ATF_TC_WITHOUT_HEAD(aio_fsync_test);
1082 ATF_TC_BODY(aio_fsync_test, tc)
1084 struct aiocb synccb, *iocbp;
1095 ATF_REQUIRE_KERNEL_MODULE("aio");
1096 ATF_REQUIRE_UNSAFE_AIO();
1098 fd = open(FILE_PATHNAME, O_RDWR | O_CREAT, 0600);
1099 ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
1100 unlink(FILE_PATHNAME);
1102 ATF_REQUIRE(fstat(fd, &sb) == 0);
1103 ATF_REQUIRE(sb.st_blksize != 0);
1104 ATF_REQUIRE(ftruncate(fd, sb.st_blksize * nitems(buffers)) == 0);
1107 * Queue several asynchronous write requests. Hopefully this
1108 * forces the aio_fsync() request to be deferred. There is no
1109 * reliable way to guarantee that however.
1112 for (i = 0; i < nitems(buffers); i++) {
1113 buffers[i].done = false;
1114 memset(&buffers[i].iocb, 0, sizeof(buffers[i].iocb));
1115 buffers[i].buffer = malloc(sb.st_blksize);
1116 aio_fill_buffer(buffers[i].buffer, sb.st_blksize, random());
1117 buffers[i].iocb.aio_fildes = fd;
1118 buffers[i].iocb.aio_buf = buffers[i].buffer;
1119 buffers[i].iocb.aio_nbytes = sb.st_blksize;
1120 buffers[i].iocb.aio_offset = sb.st_blksize * i;
1121 ATF_REQUIRE(aio_write(&buffers[i].iocb) == 0);
1124 /* Queue the aio_fsync request. */
1125 memset(&synccb, 0, sizeof(synccb));
1126 synccb.aio_fildes = fd;
1127 ATF_REQUIRE(aio_fsync(O_SYNC, &synccb) == 0);
1129 /* Wait for requests to complete. */
1132 rval = aio_waitcomplete(&iocbp, NULL);
1133 ATF_REQUIRE(iocbp != NULL);
1134 if (iocbp == &synccb) {
1135 ATF_REQUIRE(rval == 0);
1139 for (i = 0; i < nitems(buffers); i++) {
1140 if (iocbp == &buffers[i].iocb) {
1141 ATF_REQUIRE(buffers[i].done == false);
1142 ATF_REQUIRE(rval == sb.st_blksize);
1143 buffers[i].done = true;
1148 ATF_REQUIRE_MSG(false, "unmatched AIO request");
1151 for (i = 0; i < nitems(buffers); i++)
1152 ATF_REQUIRE_MSG(buffers[i].done,
1153 "AIO request %u did not complete", i);
1161 ATF_TP_ADD_TC(tp, file_poll);
1162 ATF_TP_ADD_TC(tp, file_signal);
1163 ATF_TP_ADD_TC(tp, file_suspend);
1164 ATF_TP_ADD_TC(tp, file_thread);
1165 ATF_TP_ADD_TC(tp, file_waitcomplete);
1166 ATF_TP_ADD_TC(tp, fifo_poll);
1167 ATF_TP_ADD_TC(tp, fifo_signal);
1168 ATF_TP_ADD_TC(tp, fifo_suspend);
1169 ATF_TP_ADD_TC(tp, fifo_thread);
1170 ATF_TP_ADD_TC(tp, fifo_waitcomplete);
1171 ATF_TP_ADD_TC(tp, socket_poll);
1172 ATF_TP_ADD_TC(tp, socket_signal);
1173 ATF_TP_ADD_TC(tp, socket_suspend);
1174 ATF_TP_ADD_TC(tp, socket_thread);
1175 ATF_TP_ADD_TC(tp, socket_waitcomplete);
1176 ATF_TP_ADD_TC(tp, pty_poll);
1177 ATF_TP_ADD_TC(tp, pty_signal);
1178 ATF_TP_ADD_TC(tp, pty_suspend);
1179 ATF_TP_ADD_TC(tp, pty_thread);
1180 ATF_TP_ADD_TC(tp, pty_waitcomplete);
1181 ATF_TP_ADD_TC(tp, pipe_poll);
1182 ATF_TP_ADD_TC(tp, pipe_signal);
1183 ATF_TP_ADD_TC(tp, pipe_suspend);
1184 ATF_TP_ADD_TC(tp, pipe_thread);
1185 ATF_TP_ADD_TC(tp, pipe_waitcomplete);
1186 ATF_TP_ADD_TC(tp, md_poll);
1187 ATF_TP_ADD_TC(tp, md_signal);
1188 ATF_TP_ADD_TC(tp, md_suspend);
1189 ATF_TP_ADD_TC(tp, md_thread);
1190 ATF_TP_ADD_TC(tp, md_waitcomplete);
1191 ATF_TP_ADD_TC(tp, aio_fsync_errors);
1192 ATF_TP_ADD_TC(tp, aio_fsync_test);
1193 ATF_TP_ADD_TC(tp, aio_large_read_test);
1194 ATF_TP_ADD_TC(tp, aio_socket_two_reads);
1195 ATF_TP_ADD_TC(tp, aio_socket_blocking_short_write);
1196 ATF_TP_ADD_TC(tp, aio_socket_short_write_cancel);
1198 return (atf_no_error());