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
45struct uio;
46
47int dogetrandom(struct uio *, unsigned int);
48
49#endif /* _KERNEL */
50
51#ifndef _KERNEL
52__BEGIN_DECLS
53
54#ifdef _BSD_SIZE_T_
55typedef _BSD_SIZE_T_ size_t;
56#undef _BSD_SIZE_T_
57#endif
58
59#ifdef _BSD_SSIZE_T_
60typedef _BSD_SSIZE_T_ ssize_t;
61#undef _BSD_SSIZE_T_
62#endif
63
64ssize_t getrandom(void *, size_t, unsigned int);
65
66__END_DECLS
67#endif /* !_KERNEL */
68
69#endif /* _SYS_RANDOM_H */