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1 | /* Test for timeout handling. |
2 | Copyright (C) 2000 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 Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | 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 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include <aio.h> | |
21 | #include <errno.h> | |
22 | #include <stdio.h> | |
23 | #include <unistd.h> | |
24 | #include <sys/time.h> | |
25 | ||
26 | ||
27 | /* We expect to wait for 3 seconds so we have to increase the timeout. */ | |
28 | #define TIMEOUT 10 /* sec */ | |
29 | ||
30 | ||
31 | #define TEST_FUNCTION do_test () | |
32 | int | |
33 | do_test (void) | |
34 | { | |
35 | struct aiocb *arr[1]; | |
36 | struct aiocb cb; | |
37 | char buf[100]; | |
38 | struct timeval before; | |
39 | struct timeval after; | |
40 | struct timespec timeout; | |
41 | int result = 0; | |
42 | ||
43 | arr[0] = &cb; | |
44 | ||
45 | cb.aio_fildes = STDIN_FILENO; | |
46 | cb.aio_lio_opcode = LIO_WRITE; | |
47 | cb.aio_reqprio = 0; | |
48 | cb.aio_buf = (void *) buf; | |
49 | cb.aio_nbytes = sizeof (buf) - 1; | |
50 | cb.aio_sigevent.sigev_notify = SIGEV_NONE; | |
51 | ||
52 | /* Try to read from stdin where nothing will be available. */ | |
53 | if (aio_read (arr[0]) < 0) | |
54 | { | |
55 | printf ("aio_write failed: %m\n"); | |
56 | return 1; | |
57 | } | |
58 | ||
59 | /* Get the current time. */ | |
60 | gettimeofday (&before, NULL); | |
61 | ||
62 | /* Wait for input which is unsuccess and therefore the function will | |
63 | time out. */ | |
64 | timeout.tv_sec = 3; | |
65 | timeout.tv_nsec = 0; | |
66 | if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1) | |
67 | { | |
68 | puts ("aio_suspend() didn't return -1"); | |
69 | result = 1; | |
70 | } | |
71 | else if (errno != EAGAIN) | |
72 | { | |
73 | puts ("error not set to EAGAIN"); | |
74 | result = 1; | |
75 | } | |
76 | else | |
77 | { | |
78 | gettimeofday (&after, NULL); | |
79 | if (after.tv_sec < before.tv_sec + 1) | |
80 | { | |
81 | puts ("timeout came too early"); | |
82 | result = 1; | |
83 | } | |
84 | } | |
85 | ||
86 | return result; | |
87 | } | |
88 | ||
89 | #include "../test-skeleton.c" |