1 /* Test for AIO POSIX compliance.
2 Copyright (C) 2001-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
28 #define TEST_FUNCTION do_test ()
35 /* Make a pipe that we will never write to, so we can block reading it. */
42 /* Test for aio_cancel() detecting invalid file descriptor. */
52 cb.aio_sigevent.sigev_notify = SIGEV_NONE;
56 /* Case one: invalid fds that match. */
57 if (aio_cancel (fd, &cb) != -1 || errno != EBADF)
61 puts ("no aio support in this configuration");
65 puts ("aio_cancel( -1, {-1..} ) did not return -1 or errno != EBADF");
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");
77 /* Test for aio_fsync() detecting bad fd. */
87 cb.aio_sigevent.sigev_notify = SIGEV_NONE;
91 /* Case one: invalid fd. */
92 if (aio_fsync (O_SYNC, &cb) != -1 || errno != EBADF)
94 puts ("aio_fsync( op, {-1..} ) did not return -1 or errno != EBADF");
99 /* Test for aio_suspend() suspending even if completed elements in list. */
104 static char buff[BYTES];
105 char name[] = "/tmp/aio7.XXXXXX";
106 struct timespec timeout;
107 static struct aiocb cb0, cb1;
108 struct aiocb *list[ELEMS];
112 error (1, errno, "creating temp file");
115 error (1, errno, "unlinking temp file");
117 if (write (fd, "01234567", BYTES) != BYTES)
118 error (1, errno, "writing to temp file");
123 cb0.aio_nbytes = BYTES;
125 cb0.aio_sigevent.sigev_notify = SIGEV_NONE;
129 error (1, errno, "reading from file");
131 while (aio_error (&(cb0)) == EINPROGRESS)
134 for (i = 0; i < BYTES; i++)
135 printf ("%c ", buff[i]);
138 /* At this point, the first read is completed, so start another one on
139 the read half of a pipe on which nothing will be written. */
140 cb1.aio_fildes = piped[0];
143 cb1.aio_nbytes = BYTES;
145 cb1.aio_sigevent.sigev_notify = SIGEV_NONE;
149 error (1, errno, "reading from file");
151 /* Now call aio_suspend() with the two reads. It should return
152 * immediately according to the POSIX spec.
158 r = aio_suspend ((const struct aiocb * const *) list, ELEMS, &timeout);
160 if (r == -1 && errno == EAGAIN)
162 puts ("aio_suspend([done,blocked],2,3) suspended thread");
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. */
173 #include "../test-skeleton.c"