2 * Copyright (C) 2005 IronPort Systems, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * - AIO support must be compiled into the kernel (see sys/<arch>/NOTES for
33 * Note: it is a good idea to run this against a physical drive to
34 * exercise the physio fast path (ie. aio_kqueue /dev/<something safe>)
37 #include <sys/types.h>
38 #include <sys/event.h>
49 #include "freebsd_test_suite/macros.h"
51 #define PATH_TEMPLATE "aio.XXXXXXXXXX"
58 main (int argc, char *argv[])
60 struct aiocb *iocb[MAX_IOCBS], *kq_iocb;
61 char *file, pathname[sizeof(PATH_TEMPLATE)+1];
62 struct kevent ke, kq_returned;
68 int failed = 0, fd, kq, pending, result, run;
72 PLAIN_REQUIRE_KERNEL_MODULE("aio", 0);
76 perror("No kqeueue\n");
81 strcpy(pathname, PATH_TEMPLATE);
82 fd = mkstemp(pathname);
87 fd = open(file, O_RDWR|O_CREAT, 0666);
90 err(1, "Can't open %s\n", file);
92 for (run = 0; run < MAX_RUNS; run++){
94 printf("Run %d\n", run);
96 for (i = 0; i < nitems(iocb); i++) {
97 iocb[i] = (struct aiocb *)calloc(1,
98 sizeof(struct aiocb));
104 for (i = 0; i < nitems(iocb); i++) {
106 iocb[i]->aio_nbytes = sizeof(buffer);
107 iocb[i]->aio_buf = buffer;
108 iocb[i]->aio_fildes = fd;
109 iocb[i]->aio_offset = iocb[i]->aio_nbytes * i * run;
111 iocb[i]->aio_sigevent.sigev_notify_kqueue = kq;
112 iocb[i]->aio_sigevent.sigev_value.sival_ptr = iocb[i];
113 iocb[i]->aio_sigevent.sigev_notify = SIGEV_KEVENT;
115 result = aio_write(iocb[i]);
118 printf("Result %d iteration %d\n", result, i);
122 printf("WRITE %d is at %p\n", i, iocb[i]);
125 if (result < RAND_MAX/32) {
126 if (result > RAND_MAX/64) {
127 result = aio_cancel(fd, iocb[i]);
129 printf("Cancel %d %p result %d\n", i, iocb[i], result);
131 if (result == AIO_CANCELED) {
140 cancel = nitems(iocb) - pending;
148 bzero(&ke, sizeof(ke));
149 bzero(&kq_returned, sizeof(ke));
152 result = kevent(kq, NULL, 0,
153 &kq_returned, 1, &ts);
158 perror("kevent error: ");
159 kq_iocb = kq_returned.udata;
161 printf("kevent %d %d errno %d return.ident %p "
162 "return.data %p return.udata %p %p\n",
164 kq_returned.ident, kq_returned.data,
172 printf("Try again left %d out of %d %d\n",
173 pending, nitems(iocb), cancel);
177 for (j = 0; j < nitems(iocb) && iocb[j] != kq_iocb;
180 printf("kq_iocb %p\n", kq_iocb);
182 printf("Error Result for %d is %d pending %d\n",
185 result = aio_return(kq_iocb);
187 printf("Return Result for %d is %d\n\n", j, result);
189 if (result != sizeof(buffer)) {
190 printf("FAIL: run %d, operation %d, result %d "
191 " (errno=%d) should be %zu\n", run, pending,
192 result, errno, sizeof(buffer));
195 printf("PASS: run %d, left %d\n", run,
204 for (i = 0; i < nitems(iocb); i++)
213 printf("FAIL: %d tests failed\n", failed);
215 printf("PASS: All tests passed\n");
217 exit (failed == 0 ? 0 : 1);