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 * aio_lio_opcode shall be ignored.
13 *
14 * method:
15 *
16 *	- write data to a file
17 *	- fill in an aiocb with an LIO_WRITE aio_lio_opcode
18 *	- call aio_read with this aiocb
19 *	- check data is effectively read (ignoring aio_lio_opcode)
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/5-1.c"
36
37int main(void)
38{
39	char tmpfname[256];
40#define BUF_SIZE 111
41	unsigned char buf[BUF_SIZE];
42	unsigned char check[BUF_SIZE];
43	int fd;
44	struct aiocb aiocb;
45	int i;
46
47	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
48		return PTS_UNSUPPORTED;
49
50	snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_read_5_1_%d",
51		 getpid());
52	unlink(tmpfname);
53	fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR);
54	if (fd == -1) {
55		printf(TNAME " Error at open(): %s\n", strerror(errno));
56		exit(PTS_UNRESOLVED);
57	}
58
59	unlink(tmpfname);
60
61	for (i = 0; i < BUF_SIZE; i++)
62		buf[i] = i;
63
64	if (write(fd, buf, BUF_SIZE) != BUF_SIZE) {
65		printf(TNAME " Error at write(): %s\n", strerror(errno));
66		exit(PTS_UNRESOLVED);
67	}
68
69	memset(check, 0xaa, BUF_SIZE);
70	memset(&aiocb, 0, sizeof(struct aiocb));
71	aiocb.aio_fildes = fd;
72	aiocb.aio_buf = check;
73	aiocb.aio_nbytes = BUF_SIZE;
74	aiocb.aio_lio_opcode = LIO_WRITE;
75
76	if (aio_read(&aiocb) == -1) {
77		printf(TNAME " Error at aio_read(): %s\n", strerror(errno));
78		exit(PTS_FAIL);
79	}
80
81	int err;
82	int ret;
83
84	/* Wait until end of transaction */
85	do {
86		usleep(10000);
87		err = aio_error(&aiocb);
88	} while (err == EINPROGRESS);
89
90	ret = aio_return(&aiocb);
91
92	if (err != 0) {
93		printf(TNAME " Error at aio_error() : %s\n", strerror(err));
94		close(fd);
95		exit(PTS_FAIL);
96	}
97
98	if (ret != BUF_SIZE) {
99		printf(TNAME " Error at aio_return()\n");
100		close(fd);
101		exit(PTS_FAIL);
102	}
103
104	/* check it */
105
106	for (i = 0; i < BUF_SIZE; i++) {
107		if (buf[i] != check[i]) {
108			printf(TNAME " read values are corrupted\n");
109			exit(PTS_FAIL);
110		}
111	}
112
113	close(fd);
114	printf("Test PASSED\n");
115	return PTS_PASS;
116}
117