]>
Commit | Line | Data |
---|---|---|
8b8cc76f | 1 | /* Test for AIO POSIX compliance. |
04277e02 | 2 | Copyright (C) 2001-2019 Free Software Foundation, Inc. |
8b8cc76f UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
8b8cc76f UD |
18 | |
19 | #include <aio.h> | |
20 | #include <error.h> | |
21 | #include <errno.h> | |
84ad622b | 22 | #include <fcntl.h> |
8b8cc76f UD |
23 | #include <stdio.h> |
24 | #include <stdlib.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | ||
8b8cc76f UD |
28 | #define TEST_FUNCTION do_test () |
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | int result = 0; | |
8fe802e8 RM |
33 | int piped[2]; |
34 | ||
35 | /* Make a pipe that we will never write to, so we can block reading it. */ | |
36 | if (pipe (piped) < 0) | |
37 | { | |
38 | perror ("pipe"); | |
39 | return 1; | |
40 | } | |
8b8cc76f UD |
41 | |
42 | /* Test for aio_cancel() detecting invalid file descriptor. */ | |
43 | { | |
44 | struct aiocb cb; | |
45 | int fd = -1; | |
46 | ||
47 | cb.aio_fildes = fd; | |
48 | cb.aio_offset = 0; | |
49 | cb.aio_buf = NULL; | |
50 | cb.aio_nbytes = 0; | |
51 | cb.aio_reqprio = 0; | |
52 | cb.aio_sigevent.sigev_notify = SIGEV_NONE; | |
53 | ||
54 | errno = 0; | |
55 | ||
56 | /* Case one: invalid fds that match. */ | |
57 | if (aio_cancel (fd, &cb) != -1 || errno != EBADF) | |
58 | { | |
ffa8d2a0 RM |
59 | if (errno == ENOSYS) |
60 | { | |
61 | puts ("no aio support in this configuration"); | |
62 | return 0; | |
63 | } | |
64 | ||
8b8cc76f UD |
65 | puts ("aio_cancel( -1, {-1..} ) did not return -1 or errno != EBADF"); |
66 | ++result; | |
67 | } | |
68 | ||
69 | cb.aio_fildes = -2; | |
70 | errno = 0; | |
71 | ||
72 | /* Case two: invalid fds that do not match; just print warning. */ | |
73 | if (aio_cancel (fd, &cb) != -1 || errno != EBADF) | |
74 | puts ("aio_cancel( -1, {-2..} ) did not return -1 or errno != EBADF"); | |
75 | } | |
76 | ||
e913141d | 77 | /* Test for aio_fsync() detecting bad fd. */ |
8b8cc76f UD |
78 | { |
79 | struct aiocb cb; | |
80 | int fd = -1; | |
81 | ||
82 | cb.aio_fildes = fd; | |
83 | cb.aio_offset = 0; | |
84 | cb.aio_buf = NULL; | |
85 | cb.aio_nbytes = 0; | |
86 | cb.aio_reqprio = 0; | |
87 | cb.aio_sigevent.sigev_notify = SIGEV_NONE; | |
88 | ||
89 | errno = 0; | |
90 | ||
91 | /* Case one: invalid fd. */ | |
92 | if (aio_fsync (O_SYNC, &cb) != -1 || errno != EBADF) | |
93 | { | |
94 | puts ("aio_fsync( op, {-1..} ) did not return -1 or errno != EBADF"); | |
95 | ++result; | |
96 | } | |
8b8cc76f UD |
97 | } |
98 | ||
99 | /* Test for aio_suspend() suspending even if completed elements in list. */ | |
100 | { | |
05ae97d8 UD |
101 | #define BYTES 8 |
102 | const int ELEMS = 2; | |
8b8cc76f | 103 | int i, r, fd; |
35457070 | 104 | static char buff[BYTES]; |
8b8cc76f UD |
105 | char name[] = "/tmp/aio7.XXXXXX"; |
106 | struct timespec timeout; | |
696efd11 | 107 | static struct aiocb cb0, cb1; |
8b8cc76f UD |
108 | struct aiocb *list[ELEMS]; |
109 | ||
110 | fd = mkstemp (name); | |
111 | if (fd < 0) | |
112 | error (1, errno, "creating temp file"); | |
113 | ||
114 | if (unlink (name)) | |
115 | error (1, errno, "unlinking temp file"); | |
116 | ||
117 | if (write (fd, "01234567", BYTES) != BYTES) | |
118 | error (1, errno, "writing to temp file"); | |
119 | ||
120 | cb0.aio_fildes = fd; | |
121 | cb0.aio_offset = 0; | |
122 | cb0.aio_buf = buff; | |
123 | cb0.aio_nbytes = BYTES; | |
124 | cb0.aio_reqprio = 0; | |
125 | cb0.aio_sigevent.sigev_notify = SIGEV_NONE; | |
126 | ||
127 | r = aio_read (&cb0); | |
128 | if (r != 0) | |
129 | error (1, errno, "reading from file"); | |
130 | ||
131 | while (aio_error (&(cb0)) == EINPROGRESS) | |
132 | usleep (10); | |
133 | ||
134 | for (i = 0; i < BYTES; i++) | |
135 | printf ("%c ", buff[i]); | |
136 | printf ("\n"); | |
137 | ||
138 | /* At this point, the first read is completed, so start another one on | |
8fe802e8 RM |
139 | the read half of a pipe on which nothing will be written. */ |
140 | cb1.aio_fildes = piped[0]; | |
8b8cc76f UD |
141 | cb1.aio_offset = 0; |
142 | cb1.aio_buf = buff; | |
143 | cb1.aio_nbytes = BYTES; | |
144 | cb1.aio_reqprio = 0; | |
145 | cb1.aio_sigevent.sigev_notify = SIGEV_NONE; | |
146 | ||
147 | r = aio_read (&cb1); | |
148 | if (r != 0) | |
149 | error (1, errno, "reading from file"); | |
150 | ||
151 | /* Now call aio_suspend() with the two reads. It should return | |
152 | * immediately according to the POSIX spec. | |
153 | */ | |
154 | list[0] = &cb0; | |
155 | list[1] = &cb1; | |
156 | timeout.tv_sec = 3; | |
157 | timeout.tv_nsec = 0; | |
158 | r = aio_suspend ((const struct aiocb * const *) list, ELEMS, &timeout); | |
159 | ||
160 | if (r == -1 && errno == EAGAIN) | |
161 | { | |
162 | puts ("aio_suspend([done,blocked],2,3) suspended thread"); | |
163 | ++result; | |
164 | } | |
b0898d85 | 165 | |
696efd11 RM |
166 | /* Note that CB1 is still pending, and so cannot be an auto variable. |
167 | Thus we also test that exiting with an outstanding request works. */ | |
8b8cc76f UD |
168 | } |
169 | ||
170 | return result; | |
171 | } | |
172 | ||
173 | #include "../test-skeleton.c" |