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 */ 70