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b85697f6 | 1 | /* Tests for 64bit AIO in librt. |
688903eb | 2 | Copyright (C) 1998-2018 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
b85697f6 UD |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
b85697f6 UD |
10 | |
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 | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
b85697f6 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
b85697f6 UD |
19 | |
20 | #define _LARGEFILE_SOURCE 1 | |
21 | #include <aio.h> | |
22 | #include <errno.h> | |
23 | #include <error.h> | |
84ad622b | 24 | #include <fcntl.h> |
b85697f6 UD |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
28 | #include <sys/stat.h> | |
29 | ||
30 | ||
31 | /* Prototype for our test function. */ | |
32 | extern void do_prepare (int argc, char *argv[]); | |
33 | extern int do_test (int argc, char *argv[]); | |
34 | ||
35 | /* We have a preparation function. */ | |
36 | #define PREPARE do_prepare | |
37 | ||
b85697f6 UD |
38 | /* This defines the `main' function and some more. */ |
39 | #include <test-skeleton.c> | |
40 | ||
41 | ||
42 | /* These are for the temporary file we generate. */ | |
43 | char *name; | |
44 | int fd; | |
45 | ||
46 | void | |
47 | do_prepare (int argc, char *argv[]) | |
48 | { | |
30aa5785 | 49 | size_t name_len; |
b85697f6 UD |
50 | |
51 | name_len = strlen (test_dir); | |
0677af20 | 52 | name = xmalloc (name_len + sizeof ("/aioXXXXXX")); |
b85697f6 UD |
53 | mempcpy (mempcpy (name, test_dir, name_len), |
54 | "/aioXXXXXX", sizeof ("/aioXXXXXX")); | |
b85697f6 UD |
55 | |
56 | /* Open our test file. */ | |
57 | fd = mkstemp (name); | |
58 | if (fd == -1) | |
59 | error (EXIT_FAILURE, errno, "cannot open test file `%s'", name); | |
cf145565 | 60 | add_temp_file (name); |
b85697f6 UD |
61 | } |
62 | ||
63 | ||
f71bc3ba | 64 | static int |
b85697f6 UD |
65 | test_file (const void *buf, size_t size, int fd, const char *msg) |
66 | { | |
67 | struct stat st; | |
68 | char tmp[size]; | |
69 | ||
70 | errno = 0; | |
71 | if (fstat (fd, &st) < 0) | |
72 | { | |
73 | error (0, errno, "%s: failed stat", msg); | |
74 | return 1; | |
75 | } | |
76 | ||
57b36a0a | 77 | if (st.st_size != (off_t) size) |
b85697f6 UD |
78 | { |
79 | error (0, errno, "%s: wrong size: %lu, should be %lu", | |
80 | msg, (unsigned long int) st.st_size, (unsigned long int) size); | |
81 | return 1; | |
82 | } | |
83 | ||
57b36a0a | 84 | if (pread (fd, tmp, size, 0) != (ssize_t) size) |
b85697f6 | 85 | { |
9881cbf8 | 86 | error (0, errno, "%s: failed pread", msg); |
b85697f6 UD |
87 | return 1; |
88 | } | |
89 | ||
90 | if (memcmp (buf, tmp, size) != 0) | |
91 | { | |
92 | error (0, errno, "%s: failed comparison", msg); | |
93 | return 1; | |
94 | } | |
95 | ||
96 | printf ("%s test ok\n", msg); | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
101 | ||
f71bc3ba | 102 | static int |
46bdb694 | 103 | do_wait (struct aiocb64 **cbp, size_t nent, int allowed_err) |
b85697f6 UD |
104 | { |
105 | int go_on; | |
46bdb694 AJ |
106 | size_t cnt; |
107 | int result = 0; | |
108 | ||
b85697f6 UD |
109 | do |
110 | { | |
b85697f6 UD |
111 | aio_suspend64 ((const struct aiocb64 *const *) cbp, nent, NULL); |
112 | go_on = 0; | |
113 | for (cnt = 0; cnt < nent; ++cnt) | |
46bdb694 AJ |
114 | if (cbp[cnt] != NULL) |
115 | { | |
116 | if (aio_error64 (cbp[cnt]) == EINPROGRESS) | |
117 | go_on = 1; | |
118 | else | |
119 | { | |
120 | if (aio_return64 (cbp[cnt]) == -1 | |
121 | && (allowed_err == 0 | |
122 | || aio_error64 (cbp[cnt]) != allowed_err)) | |
123 | { | |
124 | error (0, aio_error64 (cbp[cnt]), "Operation failed\n"); | |
125 | result = 1; | |
126 | } | |
127 | cbp[cnt] = NULL; | |
128 | } | |
129 | } | |
b85697f6 UD |
130 | } |
131 | while (go_on); | |
46bdb694 AJ |
132 | |
133 | return result; | |
b85697f6 UD |
134 | } |
135 | ||
136 | ||
137 | int | |
138 | do_test (int argc, char *argv[]) | |
139 | { | |
140 | struct aiocb64 cbs[10]; | |
46bdb694 | 141 | struct aiocb64 cbs_fsync; |
b85697f6 | 142 | struct aiocb64 *cbp[10]; |
46bdb694 | 143 | struct aiocb64 *cbp_fsync[1]; |
b85697f6 UD |
144 | char buf[1000]; |
145 | size_t cnt; | |
146 | int result = 0; | |
147 | ||
148 | /* Preparation. */ | |
149 | for (cnt = 0; cnt < 10; ++cnt) | |
150 | { | |
151 | cbs[cnt].aio_fildes = fd; | |
152 | cbs[cnt].aio_reqprio = 0; | |
153 | cbs[cnt].aio_buf = memset (&buf[cnt * 100], '0' + cnt, 100); | |
154 | cbs[cnt].aio_nbytes = 100; | |
155 | cbs[cnt].aio_offset = cnt * 100; | |
156 | cbs[cnt].aio_sigevent.sigev_notify = SIGEV_NONE; | |
157 | ||
158 | cbp[cnt] = &cbs[cnt]; | |
159 | } | |
160 | ||
161 | /* First a simple test. */ | |
162 | for (cnt = 10; cnt > 0; ) | |
ffa8d2a0 RM |
163 | if (aio_write64 (cbp[--cnt]) < 0 && errno == ENOSYS) |
164 | { | |
165 | error (0, 0, "no aio support in this configuration"); | |
166 | return 0; | |
167 | } | |
b85697f6 | 168 | /* Wait 'til the results are there. */ |
46bdb694 | 169 | result |= do_wait (cbp, 10, 0); |
b85697f6 UD |
170 | /* Test this. */ |
171 | result |= test_file (buf, sizeof (buf), fd, "aio_write"); | |
172 | ||
173 | /* Read now as we've written it. */ | |
174 | memset (buf, '\0', sizeof (buf)); | |
175 | /* Issue the commands. */ | |
176 | for (cnt = 10; cnt > 0; ) | |
177 | { | |
178 | --cnt; | |
179 | cbp[cnt] = &cbs[cnt]; | |
180 | aio_read64 (cbp[cnt]); | |
181 | } | |
182 | /* Wait 'til the results are there. */ | |
46bdb694 | 183 | result |= do_wait (cbp, 10, 0); |
b85697f6 UD |
184 | /* Test this. */ |
185 | for (cnt = 0; cnt < 1000; ++cnt) | |
186 | if (buf[cnt] != '0' + (cnt / 100)) | |
187 | { | |
188 | result = 1; | |
189 | error (0, 0, "comparison failed for aio_read test"); | |
190 | break; | |
191 | } | |
192 | ||
193 | if (cnt == 1000) | |
194 | puts ("aio_read test ok"); | |
195 | ||
196 | /* Remove the test file contents. */ | |
197 | if (ftruncate64 (fd, 0) < 0) | |
198 | { | |
199 | error (0, errno, "ftruncate failed\n"); | |
200 | result = 1; | |
201 | } | |
202 | ||
203 | /* Test lio_listio. */ | |
204 | for (cnt = 0; cnt < 10; ++cnt) | |
205 | { | |
206 | cbs[cnt].aio_lio_opcode = LIO_WRITE; | |
207 | cbp[cnt] = &cbs[cnt]; | |
208 | } | |
209 | /* Issue the command. */ | |
210 | lio_listio64 (LIO_WAIT, cbp, 10, NULL); | |
211 | /* ...and immediately test it since we started it in wait mode. */ | |
212 | result |= test_file (buf, sizeof (buf), fd, "lio_listio (write)"); | |
213 | ||
46bdb694 AJ |
214 | /* Test aio_fsync. */ |
215 | cbs_fsync.aio_fildes = fd; | |
216 | cbs_fsync.aio_sigevent.sigev_notify = SIGEV_NONE; | |
217 | cbp_fsync[0] = &cbs_fsync; | |
218 | ||
219 | /* Remove the test file contents first. */ | |
220 | if (ftruncate64 (fd, 0) < 0) | |
221 | { | |
222 | error (0, errno, "ftruncate failed\n"); | |
223 | result = 1; | |
224 | } | |
225 | ||
226 | /* Write again. */ | |
227 | for (cnt = 10; cnt > 0; ) | |
228 | aio_write64 (cbp[--cnt]); | |
229 | ||
230 | if (aio_fsync64 (O_SYNC, &cbs_fsync) < 0) | |
231 | { | |
232 | error (0, errno, "aio_fsync failed\n"); | |
233 | result = 1; | |
234 | } | |
235 | result |= do_wait (cbp_fsync, 1, 0); | |
236 | ||
237 | /* ...and test since all data should be on disk now. */ | |
238 | result |= test_file (buf, sizeof (buf), fd, "aio_fsync (aio_write)"); | |
239 | ||
240 | /* Test aio_cancel. */ | |
241 | /* Remove the test file contents first. */ | |
242 | if (ftruncate64 (fd, 0) < 0) | |
243 | { | |
244 | error (0, errno, "ftruncate failed\n"); | |
245 | result = 1; | |
246 | } | |
247 | ||
248 | /* Write again. */ | |
249 | for (cnt = 10; cnt > 0; ) | |
250 | aio_write64 (cbp[--cnt]); | |
251 | ||
252 | /* Cancel all requests. */ | |
253 | if (aio_cancel64 (fd, NULL) == -1) | |
254 | printf ("aio_cancel64 (fd, NULL) cannot cancel anything\n"); | |
255 | ||
256 | result |= do_wait (cbp, 10, ECANCELED); | |
257 | ||
258 | /* Another test for aio_cancel. */ | |
259 | /* Remove the test file contents first. */ | |
260 | if (ftruncate64 (fd, 0) < 0) | |
261 | { | |
262 | error (0, errno, "ftruncate failed\n"); | |
263 | result = 1; | |
264 | } | |
265 | ||
266 | /* Write again. */ | |
267 | for (cnt = 10; cnt > 0; ) | |
268 | { | |
269 | --cnt; | |
270 | cbp[cnt] = &cbs[cnt]; | |
271 | aio_write64 (cbp[cnt]); | |
272 | } | |
273 | puts ("finished3"); | |
274 | ||
275 | /* Cancel all requests. */ | |
276 | for (cnt = 10; cnt > 0; ) | |
277 | if (aio_cancel64 (fd, cbp[--cnt]) == -1) | |
278 | /* This is not an error. The request can simply be finished. */ | |
279 | printf ("aio_cancel64 (fd, cbp[%Zd]) cannot be canceled\n", cnt); | |
280 | puts ("finished2"); | |
281 | ||
282 | result |= do_wait (cbp, 10, ECANCELED); | |
283 | ||
284 | puts ("finished"); | |
285 | ||
b85697f6 UD |
286 | return result; |
287 | } |