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-rw-r--r--rt/tst-aio7.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/rt/tst-aio7.c b/rt/tst-aio7.c
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+++ b/rt/tst-aio7.c
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+/* Test for AIO POSIX compliance.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <aio.h>
+#include <error.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+/* We might wait for 3 seconds, so increase timeout to 10 seconds. */
+#define TIMEOUT 10
+
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+ int result = 0;
+
+ /* Test for aio_cancel() detecting invalid file descriptor. */
+ {
+ struct aiocb cb;
+ int fd = -1;
+
+ cb.aio_fildes = fd;
+ cb.aio_offset = 0;
+ cb.aio_buf = NULL;
+ cb.aio_nbytes = 0;
+ cb.aio_reqprio = 0;
+ cb.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ errno = 0;
+
+ /* Case one: invalid fds that match. */
+ if (aio_cancel (fd, &cb) != -1 || errno != EBADF)
+ {
+ puts ("aio_cancel( -1, {-1..} ) did not return -1 or errno != EBADF");
+ ++result;
+ }
+
+ cb.aio_fildes = -2;
+ errno = 0;
+
+ /* Case two: invalid fds that do not match; just print warning. */
+ if (aio_cancel (fd, &cb) != -1 || errno != EBADF)
+ puts ("aio_cancel( -1, {-2..} ) did not return -1 or errno != EBADF");
+ }
+
+ /* Test for aio_fsync() detecting bad fd, and fd not open for writing. */
+ {
+ struct aiocb cb;
+ int fd = -1;
+
+ cb.aio_fildes = fd;
+ cb.aio_offset = 0;
+ cb.aio_buf = NULL;
+ cb.aio_nbytes = 0;
+ cb.aio_reqprio = 0;
+ cb.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ errno = 0;
+
+ /* Case one: invalid fd. */
+ if (aio_fsync (O_SYNC, &cb) != -1 || errno != EBADF)
+ {
+ puts ("aio_fsync( op, {-1..} ) did not return -1 or errno != EBADF");
+ ++result;
+ }
+
+ if ((fd = open ("/dev/null", O_RDONLY)) < 0)
+ error (1, errno, "opening /dev/null");
+
+ cb.aio_fildes = fd;
+ errno = 0;
+
+ /* Case two: valid fd but open for read only. */
+ if (aio_fsync (O_SYNC, &cb) != -1 || errno != EBADF)
+ {
+ puts ("aio_fsync( op, {RO..} ) did not return -1 or errno != EBADF");
+ ++result;
+ }
+
+ close (fd);
+ }
+
+ /* Test for aio_suspend() suspending even if completed elements in list. */
+ {
+ const int BYTES = 8, ELEMS = 2;
+ int i, r, fd;
+ char buff[BYTES];
+ char name[] = "/tmp/aio7.XXXXXX";
+ struct timespec timeout;
+ struct aiocb cb0, cb1;
+ struct aiocb *list[ELEMS];
+
+ fd = mkstemp (name);
+ if (fd < 0)
+ error (1, errno, "creating temp file");
+
+ if (unlink (name))
+ error (1, errno, "unlinking temp file");
+
+ if (write (fd, "01234567", BYTES) != BYTES)
+ error (1, errno, "writing to temp file");
+
+ cb0.aio_fildes = fd;
+ cb0.aio_offset = 0;
+ cb0.aio_buf = buff;
+ cb0.aio_nbytes = BYTES;
+ cb0.aio_reqprio = 0;
+ cb0.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ r = aio_read (&cb0);
+ if (r != 0)
+ error (1, errno, "reading from file");
+
+ while (aio_error (&(cb0)) == EINPROGRESS)
+ usleep (10);
+
+ for (i = 0; i < BYTES; i++)
+ printf ("%c ", buff[i]);
+ printf ("\n");
+
+ /* At this point, the first read is completed, so start another one on
+ * stdin, which will not complete unless the user inputs something.
+ */
+ cb1.aio_fildes = 0;
+ cb1.aio_offset = 0;
+ cb1.aio_buf = buff;
+ cb1.aio_nbytes = BYTES;
+ cb1.aio_reqprio = 0;
+ cb1.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+ r = aio_read (&cb1);
+ if (r != 0)
+ error (1, errno, "reading from file");
+
+ /* Now call aio_suspend() with the two reads. It should return
+ * immediately according to the POSIX spec.
+ */
+ list[0] = &cb0;
+ list[1] = &cb1;
+ timeout.tv_sec = 3;
+ timeout.tv_nsec = 0;
+ r = aio_suspend ((const struct aiocb * const *) list, ELEMS, &timeout);
+
+ if (r == -1 && errno == EAGAIN)
+ {
+ puts ("aio_suspend([done,blocked],2,3) suspended thread");
+ ++result;
+ }
+ }
+
+ return result;
+}
+
+#include "../test-skeleton.c"