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()
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 _POSIX_ASYNCHRONOUS_IO != 200112L
52	exit(PTS_UNSUPPORTED);
53#endif
54
55	snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_1_2_%d",
56		  getpid());
57	unlink(tmpfname);
58	fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL,
59		  S_IRUSR | S_IWUSR);
60	if (fd == -1)
61	{
62		printf(TNAME " Error at open(): %s\n",
63		       strerror(errno));
64		exit(PTS_UNRESOLVED);
65	}
66
67	unlink(tmpfname);
68
69	memset(buf, 0x00, BUF_SIZE);
70
71	if (write(fd, buf, BUF_SIZE) != BUF_SIZE)
72	{
73		printf(TNAME " Error at write(): %s\n",
74		       strerror(errno));
75		exit(PTS_UNRESOLVED);
76	}
77
78	if (write(fd, buf, BUF_SIZE) != BUF_SIZE)
79	{
80		printf(TNAME " Error at write(): %s\n",
81		       strerror(errno));
82		exit(PTS_UNRESOLVED);
83	}
84
85	memset(buf, 0xaa, BUF_SIZE);
86	memset(&aiocb, 0, sizeof(struct aiocb));
87	aiocb.aio_fildes = fd;
88	aiocb.aio_buf = buf;
89	aiocb.aio_nbytes = BUF_SIZE;
90	aiocb.aio_offset = BUF_SIZE / 2;
91
92	if (aio_write(&aiocb) == -1)
93	{
94		printf(TNAME " Error at aio_write(): %s\n",
95		       strerror(errno));
96		exit(PTS_FAIL);
97	}
98
99	/* Wait until end of transaction */
100	while (aio_error (&aiocb) == EINPROGRESS);
101
102	err = aio_error(&aiocb);
103	ret = aio_return(&aiocb);
104
105	if (err != 0)
106	{
107		printf (TNAME " Error at aio_error() : %s\n", strerror (err));
108		close (fd);
109		exit(PTS_FAIL);
110	}
111
112	if (ret != BUF_SIZE)
113	{
114		printf(TNAME " Error at aio_return()\n");
115		close(fd);
116		exit(PTS_FAIL);
117	}
118
119	/* check the values written */
120
121	if (lseek(fd, 0, SEEK_SET) == -1)
122	{
123		printf(TNAME " Error at lseek(): %s\n",
124		       strerror(errno));
125		close(fd);
126		exit(PTS_FAIL);
127	}
128
129	memset(check, 0x01, BUF_SIZE * 2);
130	if (read(fd, check, BUF_SIZE * 2) != BUF_SIZE * 2)
131	{
132		printf(TNAME " Error at read(): %s\n",
133		       strerror(errno));
134		close(fd);
135		exit(PTS_FAIL);
136	}
137
138	if (check[BUF_SIZE / 2 - 1] != 0)
139	{
140		printf(TNAME " write at bad offset\n");
141		close(fd);
142		exit(PTS_FAIL);
143	}
144
145	if (check[BUF_SIZE / 2 + BUF_SIZE] != 0)
146	{
147		printf(TNAME " bad size written\n");
148		close(fd);
149		exit(PTS_FAIL);
150	}
151
152	if (memcmp(buf, check + BUF_SIZE / 2, BUF_SIZE))
153	{
154		printf(TNAME " Bad value in buffer\n");
155		close(fd);
156		exit(PTS_FAIL);
157	}
158
159	close(fd);
160	printf ("Test PASSED\n");
161	return PTS_PASS;
162}
163