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102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
/* Test for timeout handling.
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Copyright (C) 2000-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <aio.h>
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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/* We expect to wait for 3 seconds so we have to increase the timeout. */
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#define TIMEOUT 10 /* sec */
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#define TEST_FUNCTION do_test ()
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static int
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do_test (void)
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{
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struct aiocb *arr[1];
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struct aiocb cb;
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char buf[100];
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struct timeval before;
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struct timeval after;
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struct timespec timeout;
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int fd[2];
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int result = 0;
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if (pipe (fd) != 0)
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{
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printf ("cannot create pipe: %m\n");
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return 1;
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}
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arr[0] = &cb;
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cb.aio_fildes = fd[0];
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cb.aio_lio_opcode = LIO_WRITE;
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cb.aio_reqprio = 0;
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cb.aio_buf = (void *) buf;
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cb.aio_nbytes = sizeof (buf) - 1;
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cb.aio_offset = 0;
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cb.aio_sigevent.sigev_notify = SIGEV_NONE;
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/* Try to read from stdin where nothing will be available. */
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if (aio_read (arr[0]) < 0)
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{
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if (errno == ENOSYS)
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{
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puts ("no aio support in this configuration");
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return 0;
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}
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printf ("aio_read failed: %m\n");
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return 1;
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}
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/* Get the current time. */
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gettimeofday (&before, NULL);
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/* Wait for input which is unsuccessful and therefore the function will
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time out. */
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timeout.tv_sec = 3;
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timeout.tv_nsec = 0;
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if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1)
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{
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puts ("aio_suspend() didn't return -1");
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result = 1;
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}
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else if (errno != EAGAIN)
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{
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puts ("error not set to EAGAIN");
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result = 1;
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}
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else
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{
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gettimeofday (&after, NULL);
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if (after.tv_sec < before.tv_sec + 1)
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{
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puts ("timeout came too early");
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result = 1;
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}
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}
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return result;
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}
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#include "../test-skeleton.c"
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