xref: /xnu-11417.140.69/bsd/sys/random.h (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*
2*43a90889SApple OSS Distributions  * Copyright (c) 1999, 2000-2005 Apple Computer, Inc. All rights reserved.
3*43a90889SApple OSS Distributions  *
4*43a90889SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*43a90889SApple OSS Distributions  *
6*43a90889SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*43a90889SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*43a90889SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*43a90889SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*43a90889SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*43a90889SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*43a90889SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*43a90889SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*43a90889SApple OSS Distributions  *
15*43a90889SApple OSS Distributions  * Please obtain a copy of the License at
16*43a90889SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*43a90889SApple OSS Distributions  *
18*43a90889SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*43a90889SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*43a90889SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*43a90889SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*43a90889SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*43a90889SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*43a90889SApple OSS Distributions  * limitations under the License.
25*43a90889SApple OSS Distributions  *
26*43a90889SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*43a90889SApple OSS Distributions  */
28*43a90889SApple OSS Distributions 
29*43a90889SApple OSS Distributions #ifndef __SYS_RANDOM_H__
30*43a90889SApple OSS Distributions #define __SYS_RANDOM_H__
31*43a90889SApple OSS Distributions 
32*43a90889SApple OSS Distributions #ifndef KERNEL
33*43a90889SApple OSS Distributions #include <Availability.h>
34*43a90889SApple OSS Distributions #include <stddef.h>
35*43a90889SApple OSS Distributions #endif
36*43a90889SApple OSS Distributions #include <sys/appleapiopts.h>
37*43a90889SApple OSS Distributions #include <sys/cdefs.h>
38*43a90889SApple OSS Distributions 
39*43a90889SApple OSS Distributions #ifndef KERNEL
40*43a90889SApple OSS Distributions __BEGIN_DECLS
41*43a90889SApple 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*43a90889SApple OSS Distributions __END_DECLS
43*43a90889SApple OSS Distributions 
44*43a90889SApple OSS Distributions #else /* KERNEL */
45*43a90889SApple OSS Distributions #ifdef __APPLE_API_UNSTABLE
46*43a90889SApple OSS Distributions __BEGIN_DECLS
47*43a90889SApple OSS Distributions void read_random(void* buffer, u_int numBytes);
48*43a90889SApple OSS Distributions void read_frandom(void* buffer, u_int numBytes);
49*43a90889SApple OSS Distributions int  write_random(void* buffer, u_int numBytes);
50*43a90889SApple OSS Distributions __END_DECLS
51*43a90889SApple OSS Distributions #endif /* __APPLE_API_UNSTABLE */
52*43a90889SApple OSS Distributions 
53*43a90889SApple OSS Distributions #endif /* KERNEL */
54*43a90889SApple OSS Distributions #endif /* __SYS_RANDOM_H__ */
55