diff options
Diffstat (limited to 'REORG.TODO/rt/tst-aio6.c')
-rw-r--r-- | REORG.TODO/rt/tst-aio6.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/REORG.TODO/rt/tst-aio6.c b/REORG.TODO/rt/tst-aio6.c new file mode 100644 index 0000000000..7adbb3dede --- /dev/null +++ b/REORG.TODO/rt/tst-aio6.c @@ -0,0 +1,101 @@ +/* Test for timeout handling. + Copyright (C) 2000-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <aio.h> +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/time.h> + + +/* We expect to wait for 3 seconds so we have to increase the timeout. */ +#define TIMEOUT 10 /* sec */ + + +#define TEST_FUNCTION do_test () +static int +do_test (void) +{ + struct aiocb *arr[1]; + struct aiocb cb; + char buf[100]; + struct timeval before; + struct timeval after; + struct timespec timeout; + int fd[2]; + int result = 0; + + if (pipe (fd) != 0) + { + printf ("cannot create pipe: %m\n"); + return 1; + } + + arr[0] = &cb; + + cb.aio_fildes = fd[0]; + cb.aio_lio_opcode = LIO_WRITE; + cb.aio_reqprio = 0; + cb.aio_buf = (void *) buf; + cb.aio_nbytes = sizeof (buf) - 1; + cb.aio_offset = 0; + cb.aio_sigevent.sigev_notify = SIGEV_NONE; + + /* Try to read from stdin where nothing will be available. */ + if (aio_read (arr[0]) < 0) + { + if (errno == ENOSYS) + { + puts ("no aio support in this configuration"); + return 0; + } + printf ("aio_read failed: %m\n"); + return 1; + } + + /* Get the current time. */ + gettimeofday (&before, NULL); + + /* Wait for input which is unsuccessful 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" |