1/*
2 * Copyright (c) 2004, Bull SA. All rights reserved.
3 * Created by:  Laurent.Vivier@bull.net
4 * This file is licensed under the GPL license.  For the full content
5 * of this license, see the COPYING file at the top level of this
6 * source tree.
7 */
8
9/*
10 * assertion:
11 *
12 * The aio_read() function shall return the value zero if operation is
13 * successfuly queued.
14 *
15 * method:
16 *
17 *	- write data to a file
18 *	- read file using aio_read
19 *	- check aio_read return value
20 */
21
22#define _XOPEN_SOURCE 600
23#include <stdio.h>
24#include <sys/types.h>
25#include <unistd.h>
26#include <sys/stat.h>
27#include <fcntl.h>
28#include <string.h>
29#include <errno.h>
30#include <stdlib.h>
31#include <aio.h>
32
33#include "posixtest.h"
34
35#define TNAME "aio_read/7-1.c"
36
37int main(void)
38{
39	char tmpfname[256];
40#define BUF_SIZE 111
41	unsigned char check[BUF_SIZE];
42	int fd;
43	int ret;
44	struct aiocb aiocb;
45
46	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
47		return PTS_UNSUPPORTED;
48
49	snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_read_7_1_%d",
50		 getpid());
51	unlink(tmpfname);
52	fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR);
53	if (fd == -1) {
54		printf(TNAME " Error at open(): %s\n", strerror(errno));
55		exit(PTS_UNRESOLVED);
56	}
57
58	unlink(tmpfname);
59
60	memset(check, 0xaa, BUF_SIZE);
61	memset(&aiocb, 0, sizeof(struct aiocb));
62	aiocb.aio_fildes = fd;
63	aiocb.aio_buf = check;
64	aiocb.aio_nbytes = BUF_SIZE;
65
66	if (aio_read(&aiocb) == -1) {
67		printf(TNAME " Error at aio_read(): %s\n", strerror(errno));
68		exit(PTS_FAIL);
69	}
70
71	do {
72		usleep(10000);
73		ret = aio_error(&aiocb);
74	} while (ret == EINPROGRESS);
75
76	close(fd);
77	printf("Test PASSED\n");
78	return PTS_PASS;
79}
80