1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/* Test for completion thread 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 <aio.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
/* We might need a bit longer timeout. */
#define TIMEOUT 10 /* sec */
#define MY_SIVAL 27
volatile sig_atomic_t flag;
void
callback (sigval_t s)
{
flag = s.sival_int;
}
int
wait_flag (void)
{
while (flag == 0)
{
puts ("Sleeping...");
sleep (1);
}
if (flag != MY_SIVAL)
{
printf ("signal handler received wrong signal, flag is %d\n", flag);
return 1;
}
return 0;
}
int
do_test (int argc, char *argv[])
{
char name[] = "/tmp/aio5.XXXXXX";
int fd;
struct aiocb *arr[1];
struct aiocb cb;
static const char buf[] = "Hello World\n";
struct sigevent ev;
fd = mkstemp (name);
if (fd == -1)
{
printf ("cannot open temp name: %m\n");
return 1;
}
unlink (name);
arr[0] = &cb;
cb.aio_fildes = fd;
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_THREAD;
cb.aio_sigevent.sigev_notify_function = callback;
cb.aio_sigevent.sigev_notify_attributes = NULL;
cb.aio_sigevent.sigev_value.sival_int = MY_SIVAL;
ev.sigev_notify = SIGEV_THREAD;
ev.sigev_notify_function = callback;
ev.sigev_notify_attributes = NULL;
ev.sigev_value.sival_int = MY_SIVAL;
/* First use aio_write. */
if (aio_write (arr[0]) < 0)
{
printf ("aio_write failed: %m\n");
return 1;
}
if (wait_flag ())
return 1;
puts ("aio_write OK");
flag = 0;
/* Again with lio_listio. */
if (lio_listio (LIO_NOWAIT, arr, 1, &ev) < 0)
{
printf ("lio_listio failed: %m\n");
return 1;
}
if (wait_flag ())
return 1;
puts ("all OK");
return 0;
}
#include "../test-skeleton.c"
|
