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
|
/*
* Copyright (c) 2004, Bull SA. All rights reserved.
* Created by: Laurent.Vivier@bull.net
* This file is licensed under the GPL license. For the full content
* of this license, see the COPYING file at the top level of this
* source tree.
*/
/*
* assertion:
*
* aio_write() shall fail or the error status of the operation shall be [EBADF] if:
* aio_fildes argument is not a valid file descriptor open for writing.
*
* method: Test with an invalid file descriptor opened read-only
*
* - setup an aiocb with an read-only aio_fildes
* - call aio_write with this aiocb
* - check return code and errno
*
*/
#define _XOPEN_SOURCE 600
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <aio.h>
#include "posixtest.h"
#define TNAME "aio_write/8-2.c"
int main(void)
{
char tmpfname[256];
#define BUF_SIZE 512
char buf[BUF_SIZE];
int fd;
struct aiocb aiocb;
int ret = 0;
if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
return PTS_UNSUPPORTED;
snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_8_2_%d",
getpid());
unlink(tmpfname);
fd = open(tmpfname, O_CREAT | O_RDONLY | O_EXCL, S_IRUSR | S_IWUSR);
if (fd == -1) {
printf(TNAME " Error at open(): %s\n", strerror(errno));
exit(PTS_UNRESOLVED);
}
unlink(tmpfname);
memset(buf, 0xaa, BUF_SIZE);
memset(&aiocb, 0, sizeof(struct aiocb));
aiocb.aio_fildes = fd;
aiocb.aio_buf = buf;
aiocb.aio_nbytes = BUF_SIZE;
/*
* EBADF is encountered at a later stage
* and should be collected by aio_error()
*/
if (aio_write(&aiocb) != 0) {
printf(TNAME " bad aio_write return value()\n");
exit(PTS_FAIL);
}
do {
usleep(10000);
ret = aio_error(&aiocb);
} while (ret == EINPROGRESS);
if (ret != EBADF) {
printf(TNAME " errno is not EBADF %s\n", strerror(errno));
exit(PTS_FAIL);
}
close(fd);
printf("Test PASSED\n");
return PTS_PASS;
}
|
