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a95d1236 | 1 | /* Test for timeout handling. |
2b778ceb | 2 | Copyright (C) 2000-2021 Free Software Foundation, Inc. |
a95d1236 UD |
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 | |
41bdb6e2 AJ |
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. | |
a95d1236 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
a95d1236 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
a95d1236 UD |
18 | |
19 | #include <aio.h> | |
20 | #include <errno.h> | |
21 | #include <stdio.h> | |
22 | #include <unistd.h> | |
23 | #include <sys/time.h> | |
24 | ||
25 | ||
a95d1236 | 26 | #define TEST_FUNCTION do_test () |
9c0592ab | 27 | static int |
a95d1236 UD |
28 | do_test (void) |
29 | { | |
30 | struct aiocb *arr[1]; | |
31 | struct aiocb cb; | |
32 | char buf[100]; | |
33 | struct timeval before; | |
34 | struct timeval after; | |
35 | struct timespec timeout; | |
9c0592ab | 36 | int fd[2]; |
a95d1236 UD |
37 | int result = 0; |
38 | ||
9c0592ab UD |
39 | if (pipe (fd) != 0) |
40 | { | |
41 | printf ("cannot create pipe: %m\n"); | |
42 | return 1; | |
43 | } | |
44 | ||
a95d1236 UD |
45 | arr[0] = &cb; |
46 | ||
9c0592ab | 47 | cb.aio_fildes = fd[0]; |
a95d1236 UD |
48 | cb.aio_lio_opcode = LIO_WRITE; |
49 | cb.aio_reqprio = 0; | |
50 | cb.aio_buf = (void *) buf; | |
51 | cb.aio_nbytes = sizeof (buf) - 1; | |
636ccfc8 | 52 | cb.aio_offset = 0; |
a95d1236 UD |
53 | cb.aio_sigevent.sigev_notify = SIGEV_NONE; |
54 | ||
55 | /* Try to read from stdin where nothing will be available. */ | |
56 | if (aio_read (arr[0]) < 0) | |
57 | { | |
ffa8d2a0 RM |
58 | if (errno == ENOSYS) |
59 | { | |
60 | puts ("no aio support in this configuration"); | |
61 | return 0; | |
62 | } | |
9c0592ab | 63 | printf ("aio_read failed: %m\n"); |
a95d1236 UD |
64 | return 1; |
65 | } | |
66 | ||
67 | /* Get the current time. */ | |
68 | gettimeofday (&before, NULL); | |
69 | ||
8b8cc76f | 70 | /* Wait for input which is unsuccessful and therefore the function will |
a95d1236 UD |
71 | time out. */ |
72 | timeout.tv_sec = 3; | |
73 | timeout.tv_nsec = 0; | |
74 | if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1) | |
75 | { | |
76 | puts ("aio_suspend() didn't return -1"); | |
77 | result = 1; | |
78 | } | |
79 | else if (errno != EAGAIN) | |
80 | { | |
81 | puts ("error not set to EAGAIN"); | |
82 | result = 1; | |
83 | } | |
84 | else | |
85 | { | |
86 | gettimeofday (&after, NULL); | |
87 | if (after.tv_sec < before.tv_sec + 1) | |
88 | { | |
89 | puts ("timeout came too early"); | |
90 | result = 1; | |
91 | } | |
92 | } | |
93 | ||
94 | return result; | |
95 | } | |
96 | ||
97 | #include "../test-skeleton.c" |