osfmk/kern/arcade.h

   1 /*
   2  * Copyright (c) 2019 Apple 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 #ifndef _KERN_ARCADE_H_
  29 #define _KERN_ARCADE_H_
  30
  31 #include <mach/mach_types.h>
  32 #include <kern/kern_types.h>
  33
  34 #include <libkern/section_keywords.h>
  35
  36
  37 #if XNU_KERNEL_PRIVATE
  38
  39 struct arcade_register;
  40
  41 extern void arcade_init(void);
  42
  43 extern void arcade_ast(thread_t thread);
  44
  45 extern void arcade_prepare(task_t task, thread_t thread);
  46
  47 extern void arcade_register_notify(mach_msg_header_t *msg);
  48
  49 extern void arcade_register_reference(arcade_register_t arcade_reg);
  50
  51 extern void arcade_register_release(arcade_register_t arcade_reg);
  52
  53 extern mach_port_t convert_arcade_register_to_port(arcade_register_t arcade_reg);
  54
  55 extern arcade_register_t convert_port_to_arcade_register(mach_port_t port);
  56
  57 #endif /* XNU_KERNEL_PRIVATE */
  58
  59 #endif /* _KERN_ARCADE_H_ */