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_write() function shall write aio_nbytes to the files associated
13 *	with aio_fildes from the buffer pointer to by aio_buf.
14 *
15 * method:
16 *
17 *	- open file
18 *	- write 2*1024 0x00 bytes using synchronous write
19 *	- write 1024 0xaa bytes at offset 512 using aio_write
20 *	- read 2*1024 bytes
21 *	- check read data
22 *
23 */
24
25#define _XOPEN_SOURCE 600
26#include <stdio.h>
27#include <sys/types.h>
28#include <unistd.h>
29#include <sys/stat.h>
30#include <fcntl.h>
31#include <string.h>
32#include <errno.h>
33#include <stdlib.h>
34#include <aio.h>
35
36#include "posixtest.h"
37
38#define TNAME "aio_write/1-2.c"
39
40int main(void)
41{
42	char tmpfname[256];
43#define BUF_SIZE 1024
44	char buf[BUF_SIZE];
45	char check[BUF_SIZE * 2];
46	int fd;
47	struct aiocb aiocb;
48	int err;
49	int ret;
50
51	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
52		return PTS_UNSUPPORTED;
53
54	snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_1_2_%d",
55		 getpid());
56	unlink(tmpfname);
57	fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR);
58	if (fd == -1) {
59		printf(TNAME " Error at open(): %s\n", strerror(errno));
60		exit(PTS_UNRESOLVED);
61	}
62
63	unlink(tmpfname);
64
65	memset(buf, 0x00, BUF_SIZE);
66
67	if (write(fd, buf, BUF_SIZE) != BUF_SIZE) {
68		printf(TNAME " Error at write(): %s\n", strerror(errno));
69		exit(PTS_UNRESOLVED);
70	}
71
72	if (write(fd, buf, BUF_SIZE) != BUF_SIZE) {
73		printf(TNAME " Error at write(): %s\n", strerror(errno));
74		exit(PTS_UNRESOLVED);
75	}
76
77	memset(buf, 0xaa, BUF_SIZE);
78	memset(&aiocb, 0, sizeof(struct aiocb));
79	aiocb.aio_fildes = fd;
80	aiocb.aio_buf = buf;
81	aiocb.aio_nbytes = BUF_SIZE;
82	aiocb.aio_offset = BUF_SIZE / 2;
83
84	if (aio_write(&aiocb) == -1) {
85		printf(TNAME " Error at aio_write(): %s\n", strerror(errno));
86		exit(PTS_FAIL);
87	}
88
89	/* Wait until end of transaction */
90	do {
91		usleep(10000);
92		err = aio_error(&aiocb);
93	} while (err == EINPROGRESS);
94
95	ret = aio_return(&aiocb);
96
97	if (err != 0) {
98		printf(TNAME " Error at aio_error() : %s\n", strerror(err));
99		close(fd);
100		exit(PTS_FAIL);
101	}
102
103	if (ret != BUF_SIZE) {
104		printf(TNAME " Error at aio_return()\n");
105		close(fd);
106		exit(PTS_FAIL);
107	}
108
109	/* check the values written */
110
111	if (lseek(fd, 0, SEEK_SET) == -1) {
112		printf(TNAME " Error at lseek(): %s\n", strerror(errno));
113		close(fd);
114		exit(PTS_FAIL);
115	}
116
117	memset(check, 0x01, BUF_SIZE * 2);
118	if (read(fd, check, BUF_SIZE * 2) != BUF_SIZE * 2) {
119		printf(TNAME " Error at read(): %s\n", strerror(errno));
120		close(fd);
121		exit(PTS_FAIL);
122	}
123
124	if (check[BUF_SIZE / 2 - 1] != 0) {
125		printf(TNAME " write at bad offset\n");
126		close(fd);
127		exit(PTS_FAIL);
128	}
129
130	if (check[BUF_SIZE / 2 + BUF_SIZE] != 0) {
131		printf(TNAME " bad size written\n");
132		close(fd);
133		exit(PTS_FAIL);
134	}
135
136	if (memcmp(buf, check + BUF_SIZE / 2, BUF_SIZE)) {
137		printf(TNAME " Bad value in buffer\n");
138		close(fd);
139		exit(PTS_FAIL);
140	}
141
142	close(fd);
143	printf("Test PASSED\n");
144	return PTS_PASS;
145}
146