| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Test for timeout handling. |
| 2 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 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. |
| 9 | |
| 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. |
| 14 | |
| 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <aio.h> |
| 20 | #include <errno.h> |
| 21 | #include <stdio.h> |
| 22 | #include <unistd.h> |
| 23 | #include <sys/time.h> |
| 24 | |
| 25 | |
| 26 | /* We expect to wait for 3 seconds so we have to increase the timeout. */ |
| 27 | #define TIMEOUT 10 /* sec */ |
| 28 | |
| 29 | |
| 30 | #define TEST_FUNCTION do_test () |
| 31 | static int |
| 32 | do_test (void) |
| 33 | { |
| 34 | struct aiocb *arr[1]; |
| 35 | struct aiocb cb; |
| 36 | char buf[100]; |
| 37 | struct timeval before; |
| 38 | struct timeval after; |
| 39 | struct timespec timeout; |
| 40 | int fd[2]; |
| 41 | int result = 0; |
| 42 | |
| 43 | if (pipe (fd) != 0) |
| 44 | { |
| 45 | printf ("cannot create pipe: %m\n"); |
| 46 | return 1; |
| 47 | } |
| 48 | |
| 49 | arr[0] = &cb; |
| 50 | |
| 51 | cb.aio_fildes = fd[0]; |
| 52 | cb.aio_lio_opcode = LIO_WRITE; |
| 53 | cb.aio_reqprio = 0; |
| 54 | cb.aio_buf = (void *) buf; |
| 55 | cb.aio_nbytes = sizeof (buf) - 1; |
| 56 | cb.aio_offset = 0; |
| 57 | cb.aio_sigevent.sigev_notify = SIGEV_NONE; |
| 58 | |
| 59 | /* Try to read from stdin where nothing will be available. */ |
| 60 | if (aio_read (arr[0]) < 0) |
| 61 | { |
| 62 | if (errno == ENOSYS) |
| 63 | { |
| 64 | puts ("no aio support in this configuration"); |
| 65 | return 0; |
| 66 | } |
| 67 | printf ("aio_read failed: %m\n"); |
| 68 | return 1; |
| 69 | } |
| 70 | |
| 71 | /* Get the current time. */ |
| 72 | gettimeofday (&before, NULL); |
| 73 | |
| 74 | /* Wait for input which is unsuccessful and therefore the function will |
| 75 | time out. */ |
| 76 | timeout.tv_sec = 3; |
| 77 | timeout.tv_nsec = 0; |
| 78 | if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1) |
| 79 | { |
| 80 | puts ("aio_suspend() didn't return -1"); |
| 81 | result = 1; |
| 82 | } |
| 83 | else if (errno != EAGAIN) |
| 84 | { |
| 85 | puts ("error not set to EAGAIN"); |
| 86 | result = 1; |
| 87 | } |
| 88 | else |
| 89 | { |
| 90 | gettimeofday (&after, NULL); |
| 91 | if (after.tv_sec < before.tv_sec + 1) |
| 92 | { |
| 93 | puts ("timeout came too early"); |
| 94 | result = 1; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | return result; |
| 99 | } |
| 100 | |
| 101 | #include "../test-skeleton.c" |