File:
[ELWIX - Embedded LightWeight unIX -] /
libaitio /
example /
test_aio.c
Revision
1.3:
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Wed Mar 13 14:54:38 2013 UTC (11 years, 6 months ago) by
misho
Branches:
MAIN
CVS tags:
io7_4,
io7_3,
io7_2,
io7_1,
io7_0,
io6_9,
io6_8,
io6_7,
io6_6,
io6_5,
io6_4,
io6_3,
io6_2,
io6_1,
io6_0,
io5_9,
io5_8,
io5_7,
io5_6,
io5_5,
io5_4,
io5_3,
io5_2,
io5_1,
IO7_3,
IO7_2,
IO7_1,
IO7_0,
IO6_9,
IO6_8,
IO6_7,
IO6_6,
IO6_5,
IO6_4,
IO6_3,
IO6_2,
IO6_1,
IO6_0,
IO5_9,
IO5_8,
IO5_7,
IO5_6,
IO5_5,
IO5_4,
IO5_3,
IO5_2,
IO5_1,
IO5_0,
HEAD
version 5.0
1: #include <stdio.h>
2: #include <string.h>
3: #include <unistd.h>
4: #include <fcntl.h>
5: #include <elwix.h>
6: #include <aitio.h>
7:
8:
9: int
10: main(int argc, char **argv)
11: {
12: int f, ret, i;
13: char buf[BUFSIZ];
14: struct iovec iv[3];
15:
16: iv[0].iov_len = 10;
17: iv[0].iov_base = e_malloc(iv[0].iov_len);
18: iv[0].iov_len--;
19: iv[1].iov_len = 2;
20: iv[1].iov_base = e_malloc(iv[1].iov_len);
21: iv[1].iov_len--;
22: iv[2].iov_len = 20;
23: iv[2].iov_base = e_malloc(iv[2].iov_len);
24: iv[2].iov_len--;
25:
26: f = open("test_aio.dat", O_CREAT | O_RDWR | O_TRUNC, 0644);
27: if (f == -1) {
28: perror("open");
29: return 1;
30: }
31:
32: while (!feof(stdin)) {
33: memset(buf, 0, sizeof buf);
34: fgets(buf, sizeof buf, stdin);
35: printf("io_write=%d\n", (ret = io_write(f, buf, strlen(buf))));
36: if (ret == -1) {
37: ELIBERR(io);
38: return 2;
39: }
40: }
41:
42: memset(buf, 0, sizeof buf);
43: printf("io_read=%d\n", (ret = io_rread(f, buf, sizeof buf, 0, 0)));
44: if (ret == -1) {
45: ELIBERR(io);
46: return 3;
47: }
48: printf("\n\n%s\n", buf);
49:
50: printf("io_readv=%d\n", (ret = io_rreadv(f, iv, 3, (off_t) 0, 1)));
51: for (i = 0; i < 3; i++) {
52: printf("%d) len=%d - %s\n---\n", i, iv[i].iov_len, iv[i].iov_base);
53: e_free(iv[i].iov_base);
54: }
55:
56: iv[0].iov_base = e_strdup("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n");
57: iv[0].iov_len = strlen(iv[0].iov_base) + 1;
58: iv[1].iov_base = e_strdup("bbbbbbbbbbbbbbbb\n");
59: iv[1].iov_len = strlen(iv[1].iov_base) + 1;
60: iv[2].iov_base = e_strdup("sdgnsjkfgbfgbfjhbjjjjjjjjjjjjjjjj\n");
61: iv[2].iov_len = strlen(iv[2].iov_base) + 1;
62: printf("io_writev=%d\n", (ret = io_rwritev(f, iv, 3, 0, 1)));
63: for (i = 0; i < 3; i++)
64: memset(iv[i].iov_base, 0, iv[i].iov_len);
65:
66: printf("io_readv=%d\n", (ret = io_rreadv(f, iv, 3, 0, 1)));
67: for (i = 0; i < 3; i++) {
68: printf("%d) len=%d - %s\n---\n", i, iv[i].iov_len, iv[i].iov_base);
69: e_free(iv[i].iov_base);
70: }
71:
72: close(f);
73:
74: /*
75: for (i = 0; i < 3; i++)
76: e_free(iv[i].iov_base);
77: */
78: return 0;
79: }
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