1 #ifndef __LINUX_UIO_H
2 #define __LINUX_UIO_H
3
4 #include <linux/types.h>
5
6 /*
7 * Berkeley style UIO structures - Alan Cox 1994.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14
15
16 /* A word of warning: Our uio structure will clash with the C library one (which is now obsolete). Remove the C
17 library one from sys/uio.h if you have a very old library set */
18
19 struct iovec
20 {
21 void *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */
22 __kernel_size_t iov_len; /* Must be size_t (1003.1g) */
23 };
24
25 /*
26 * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1)
27 */
28
29 #define UIO_FASTIOV 8
30 #define UIO_MAXIOV 1024
31 #if 0
32 #define UIO_MAXIOV 16 /* Maximum iovec's in one operation
33 16 matches BSD */
34 /* Beg pardon: BSD has 1024 --ANK */
35 #endif
36
37 #endif
38
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.