xref: /xnu-12377.61.12/bsd/sys/random.h (revision 4d495c6e23c53686cf65f45067f79024cf5dcee8)
1*4d495c6eSApple OSS Distributions /*
2*4d495c6eSApple OSS Distributions  * Copyright (c) 1999, 2000-2005 Apple Computer, Inc. All rights reserved.
3*4d495c6eSApple OSS Distributions  *
4*4d495c6eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*4d495c6eSApple OSS Distributions  *
6*4d495c6eSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*4d495c6eSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*4d495c6eSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*4d495c6eSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*4d495c6eSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*4d495c6eSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*4d495c6eSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*4d495c6eSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*4d495c6eSApple OSS Distributions  *
15*4d495c6eSApple OSS Distributions  * Please obtain a copy of the License at
16*4d495c6eSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*4d495c6eSApple OSS Distributions  *
18*4d495c6eSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*4d495c6eSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*4d495c6eSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*4d495c6eSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*4d495c6eSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*4d495c6eSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*4d495c6eSApple OSS Distributions  * limitations under the License.
25*4d495c6eSApple OSS Distributions  *
26*4d495c6eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*4d495c6eSApple OSS Distributions  */
28*4d495c6eSApple OSS Distributions 
29*4d495c6eSApple OSS Distributions #ifndef __SYS_RANDOM_H__
30*4d495c6eSApple OSS Distributions #define __SYS_RANDOM_H__
31*4d495c6eSApple OSS Distributions 
32*4d495c6eSApple OSS Distributions #ifndef KERNEL
33*4d495c6eSApple OSS Distributions #include <Availability.h>
34*4d495c6eSApple OSS Distributions #include <stddef.h>
35*4d495c6eSApple OSS Distributions #endif
36*4d495c6eSApple OSS Distributions #include <sys/appleapiopts.h>
37*4d495c6eSApple OSS Distributions #include <sys/cdefs.h>
38*4d495c6eSApple OSS Distributions 
39*4d495c6eSApple OSS Distributions #ifndef KERNEL
40*4d495c6eSApple OSS Distributions __BEGIN_DECLS
41*4d495c6eSApple OSS Distributions int getentropy(void* buffer, size_t size) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0);
42*4d495c6eSApple OSS Distributions __END_DECLS
43*4d495c6eSApple OSS Distributions 
44*4d495c6eSApple OSS Distributions #else /* KERNEL */
45*4d495c6eSApple OSS Distributions #ifdef __APPLE_API_UNSTABLE
46*4d495c6eSApple OSS Distributions __BEGIN_DECLS
47*4d495c6eSApple OSS Distributions void read_random(void* buffer, u_int numBytes);
48*4d495c6eSApple OSS Distributions void read_frandom(void* buffer, u_int numBytes);
49*4d495c6eSApple OSS Distributions int  write_random(void* buffer, u_int numBytes);
50*4d495c6eSApple OSS Distributions __END_DECLS
51*4d495c6eSApple OSS Distributions #endif /* __APPLE_API_UNSTABLE */
52*4d495c6eSApple OSS Distributions 
53*4d495c6eSApple OSS Distributions #endif /* KERNEL */
54*4d495c6eSApple OSS Distributions #endif /* __SYS_RANDOM_H__ */
55