FreeBSD/Linux Kernel Cross Reference
sys/sys/random.h
1 /* $NetBSD: random.h,v 1.1 2020/08/14 00:53:16 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Taylor R. Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #ifndef _SYS_RANDOM_H
33 #define _SYS_RANDOM_H
34
35 #include <sys/cdefs.h>
36
37 #include <machine/ansi.h> /* _BSD_SIZE_T_ */
38
39 #define GRND_NONBLOCK (1u << 0)
40 #define GRND_RANDOM (1u << 1)
41 #define GRND_INSECURE (1u << 2)
42
43 #ifdef _KERNEL
44
45 struct uio;
46
47 int dogetrandom(struct uio *, unsigned int);
48
49 #endif /* _KERNEL */
50
51 #ifndef _KERNEL
52 __BEGIN_DECLS
53
54 #ifdef _BSD_SIZE_T_
55 typedef _BSD_SIZE_T_ size_t;
56 #undef _BSD_SIZE_T_
57 #endif
58
59 #ifdef _BSD_SSIZE_T_
60 typedef _BSD_SSIZE_T_ ssize_t;
61 #undef _BSD_SSIZE_T_
62 #endif
63
64 ssize_t getrandom(void *, size_t, unsigned int);
65
66 __END_DECLS
67 #endif /* !_KERNEL */
68
69 #endif /* _SYS_RANDOM_H */
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