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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* Test for completion signal 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_SIGNO (SIGRTMIN + 11)
volatile sig_atomic_t flag;
void
sighandler (const int signo)
{
flag = signo;
}
int
wait_flag (void)
{
while (flag == 0)
{
puts ("Sleeping...");
sleep (1);
}
if (flag != MY_SIGNO)
{
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/aio4.XXXXXX";
int fd;
struct aiocb *arr[1];
struct aiocb cb;
static const char buf[] = "Hello World\n";
struct aioinit init = {10, 20, 0};
struct sigaction sa;
struct sigevent ev;
fd = mkstemp (name);
if (fd == -1)
{
printf ("cannot open temp name: %m\n");
return 1;
}
unlink (name);
/* Test also aio_init. */
aio_init (&init);
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_SIGNAL;
cb.aio_sigevent.sigev_notify_function = NULL;
cb.aio_sigevent.sigev_notify_attributes = NULL;
cb.aio_sigevent.sigev_signo = MY_SIGNO;
cb.aio_sigevent.sigev_value.sival_ptr = NULL;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_notify_function = NULL;
ev.sigev_notify_attributes = NULL;
ev.sigev_signo = MY_SIGNO;
sa.sa_handler = sighandler;
sigemptyset (&sa.sa_mask);
sa.sa_flags = SA_RESTART;
sa.sa_restorer = NULL;
if (sigaction (MY_SIGNO, &sa, NULL) < 0)
{
printf ("sigaction failed: %m\n");
return 1;
}
flag = 0;
/* 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"
|
