From a95d12364158e54923aa2f585b29b99b98c15916 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 23 Nov 2000 07:06:58 +0000 Subject: Test for timeout with aio_suspend. --- rt/tst-aio6.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 rt/tst-aio6.c (limited to 'rt/tst-aio6.c') diff --git a/rt/tst-aio6.c b/rt/tst-aio6.c new file mode 100644 index 0000000000..c9a4d946fe --- /dev/null +++ b/rt/tst-aio6.c @@ -0,0 +1,89 @@ +/* Test for timeout handling. + Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include +#include +#include +#include +#include + + +/* We expect to wait for 3 seconds so we have to increase the timeout. */ +#define TIMEOUT 10 /* sec */ + + +#define TEST_FUNCTION do_test () +int +do_test (void) +{ + struct aiocb *arr[1]; + struct aiocb cb; + char buf[100]; + struct timeval before; + struct timeval after; + struct timespec timeout; + int result = 0; + + arr[0] = &cb; + + cb.aio_fildes = STDIN_FILENO; + cb.aio_lio_opcode = LIO_WRITE; + cb.aio_reqprio = 0; + cb.aio_buf = (void *) buf; + cb.aio_nbytes = sizeof (buf) - 1; + cb.aio_sigevent.sigev_notify = SIGEV_NONE; + + /* Try to read from stdin where nothing will be available. */ + if (aio_read (arr[0]) < 0) + { + printf ("aio_write failed: %m\n"); + return 1; + } + + /* Get the current time. */ + gettimeofday (&before, NULL); + + /* Wait for input which is unsuccess and therefore the function will + time out. */ + timeout.tv_sec = 3; + timeout.tv_nsec = 0; + if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1) + { + puts ("aio_suspend() didn't return -1"); + result = 1; + } + else if (errno != EAGAIN) + { + puts ("error not set to EAGAIN"); + result = 1; + } + else + { + gettimeofday (&after, NULL); + if (after.tv_sec < before.tv_sec + 1) + { + puts ("timeout came too early"); + result = 1; + } + } + + return result; +} + +#include "../test-skeleton.c" -- cgit 1.4.1