1 /* Tests for 64bit AIO in librt.
2 Copyright (C) 1998-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #define _LARGEFILE_SOURCE 1
31 /* Prototype for our test function. */
32 extern void do_prepare (int argc, char *argv[]);
33 extern int do_test (int argc, char *argv[]);
35 /* We have a preparation function. */
36 #define PREPARE do_prepare
38 /* We might need a bit longer timeout. */
39 #define TIMEOUT 20 /* sec */
41 /* This defines the `main' function and some more. */
42 #include <test-skeleton.c>
45 /* These are for the temporary file we generate. */
50 do_prepare (int argc, char *argv[])
54 name_len = strlen (test_dir);
55 name = malloc (name_len + sizeof ("/aioXXXXXX"));
56 mempcpy (mempcpy (name, test_dir, name_len),
57 "/aioXXXXXX", sizeof ("/aioXXXXXX"));
60 /* Open our test file. */
63 error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
68 test_file (const void *buf, size_t size, int fd, const char *msg)
74 if (fstat (fd, &st) < 0)
76 error (0, errno, "%s: failed stat", msg);
80 if (st.st_size != (off_t) size)
82 error (0, errno, "%s: wrong size: %lu, should be %lu",
83 msg, (unsigned long int) st.st_size, (unsigned long int) size);
87 if (pread (fd, tmp, size, 0) != (ssize_t) size)
89 error (0, errno, "%s: failed pread", msg);
93 if (memcmp (buf, tmp, size) != 0)
95 error (0, errno, "%s: failed comparison", msg);
99 printf ("%s test ok\n", msg);
106 do_wait (struct aiocb64 **cbp, size_t nent, int allowed_err)
114 aio_suspend64 ((const struct aiocb64 *const *) cbp, nent, NULL);
116 for (cnt = 0; cnt < nent; ++cnt)
117 if (cbp[cnt] != NULL)
119 if (aio_error64 (cbp[cnt]) == EINPROGRESS)
123 if (aio_return64 (cbp[cnt]) == -1
125 || aio_error64 (cbp[cnt]) != allowed_err))
127 error (0, aio_error64 (cbp[cnt]), "Operation failed\n");
141 do_test (int argc, char *argv[])
143 struct aiocb64 cbs[10];
144 struct aiocb64 cbs_fsync;
145 struct aiocb64 *cbp[10];
146 struct aiocb64 *cbp_fsync[1];
152 for (cnt = 0; cnt < 10; ++cnt)
154 cbs[cnt].aio_fildes = fd;
155 cbs[cnt].aio_reqprio = 0;
156 cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100);
157 cbs[cnt].aio_nbytes = 100;
158 cbs[cnt].aio_offset = cnt * 100;
159 cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE;
161 cbp[cnt] = &cbs[cnt];
164 /* First a simple test. */
165 for (cnt = 10; cnt > 0; )
166 if (aio_write64 (cbp[--cnt]) < 0 && errno == ENOSYS)
168 error (0, 0, "no aio support in this configuration");
171 /* Wait 'til the results are there. */
172 result |= do_wait (cbp, 10, 0);
174 result |= test_file (buf, sizeof (buf), fd, "aio_write");
176 /* Read now as we've written it. */
177 memset (buf, '\0', sizeof (buf));
178 /* Issue the commands. */
179 for (cnt = 10; cnt > 0; )
182 cbp[cnt] = &cbs[cnt];
183 aio_read64 (cbp[cnt]);
185 /* Wait 'til the results are there. */
186 result |= do_wait (cbp, 10, 0);
188 for (cnt = 0; cnt < 1000; ++cnt)
189 if (buf[cnt] != '0' + (cnt / 100))
192 error (0, 0, "comparison failed for aio_read test");
197 puts ("aio_read test ok");
199 /* Remove the test file contents. */
200 if (ftruncate64 (fd, 0) < 0)
202 error (0, errno, "ftruncate failed\n");
206 /* Test lio_listio. */
207 for (cnt = 0; cnt < 10; ++cnt)
209 cbs[cnt].aio_lio_opcode = LIO_WRITE;
210 cbp[cnt] = &cbs[cnt];
212 /* Issue the command. */
213 lio_listio64 (LIO_WAIT, cbp, 10, NULL);
214 /* ...and immediately test it since we started it in wait mode. */
215 result |= test_file (buf, sizeof (buf), fd, "lio_listio (write)");
217 /* Test aio_fsync. */
218 cbs_fsync.aio_fildes = fd;
219 cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE;
220 cbp_fsync[0] = &cbs_fsync;
222 /* Remove the test file contents first. */
223 if (ftruncate64 (fd, 0) < 0)
225 error (0, errno, "ftruncate failed\n");
230 for (cnt = 10; cnt > 0; )
231 aio_write64 (cbp[--cnt]);
233 if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0)
235 error (0, errno, "aio_fsync failed\n");
238 result |= do_wait (cbp_fsync, 1, 0);
240 /* ...and test since all data should be on disk now. */
241 result |= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)");
243 /* Test aio_cancel. */
244 /* Remove the test file contents first. */
245 if (ftruncate64 (fd, 0) < 0)
247 error (0, errno, "ftruncate failed\n");
252 for (cnt = 10; cnt > 0; )
253 aio_write64 (cbp[--cnt]);
255 /* Cancel all requests. */
256 if (aio_cancel64 (fd, NULL) == -1)
257 printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n");
259 result |= do_wait (cbp, 10, ECANCELED);
261 /* Another test for aio_cancel. */
262 /* Remove the test file contents first. */
263 if (ftruncate64 (fd, 0) < 0)
265 error (0, errno, "ftruncate failed\n");
270 for (cnt = 10; cnt > 0; )
273 cbp[cnt] = &cbs[cnt];
274 aio_write64 (cbp[cnt]);
278 /* Cancel all requests. */
279 for (cnt = 10; cnt > 0; )
280 if (aio_cancel64 (fd, cbp[--cnt]) == -1)
281 /* This is not an error. The request can simply be finished. */
282 printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt);
285 result |= do_wait (cbp, 10, ECANCELED);