bsd/sys/random.h

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