1/*
2 * Copyright (c) 1999 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 * Mach Operating System
30 * Copyright (c) 1991,1990,1989,1988,1987,1986 Carnegie Mellon University
31 * All Rights Reserved.
32 *
33 * Permission to use, copy, modify and distribute this software and its
34 * documentation is hereby granted, provided that both the copyright
35 * notice and this permission notice appear in all copies of the
36 * software, derivative works or modified versions, and any portions
37 * thereof, and that both notices appear in supporting documentation.
38 *
39 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
40 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
41 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
42 *
43 * Carnegie Mellon requests users of this software to return to
44 *
45 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
46 * School of Computer Science
47 * Carnegie Mellon University
48 * Pittsburgh PA 15213-3890
49 *
50 * any improvements or extensions that they make and grant Carnegie Mellon
51 * the rights to redistribute these changes.
52 */
53
54/*
55 * Items provided by the Mach environment initialization.
56 */
57
58#ifndef _MACH_INIT_
59#define _MACH_INIT_ 1
60
61#include <mach/mach_types.h>
62#include <mach/vm_page_size.h>
63#include <stdarg.h>
64
65#include <sys/cdefs.h>
66
67#include <Availability.h>
68
69/*
70 * Kernel-related ports; how a task/thread controls itself
71 */
72
73__BEGIN_DECLS
74extern mach_port_t mach_host_self(void);
75extern mach_port_t mach_thread_self(void);
76__API_AVAILABLE(macos(11.3), ios(14.5), tvos(14.5), watchos(7.3))
77extern boolean_t mach_task_is_self(task_name_t task);
78extern kern_return_t host_page_size(host_t, vm_size_t *);
79
80extern __swift_nonisolated_unsafe mach_port_t mach_task_self_;
81#define mach_task_self() mach_task_self_
82#define current_task() mach_task_self()
83
84__END_DECLS
85#include <mach/mach_traps.h>
86__BEGIN_DECLS
87
88/*
89 * Other important ports in the Mach user environment
90 */
91
92extern mach_port_t bootstrap_port;
93
94/*
95 * Where these ports occur in the "mach_ports_register"
96 * collection... only servers or the runtime library need know.
97 */
98
99#define NAME_SERVER_SLOT 0
100#define ENVIRONMENT_SLOT 1
101#define SERVICE_SLOT 2
102
103#define MACH_PORTS_SLOTS_USED 3
104
105/*
106 * fprintf_stderr uses vprintf_stderr_func to produce
107 * error messages, this can be overridden by a user
108 * application to point to a user-specified output function
109 */
110extern int (*vprintf_stderr_func)(const char *format, va_list ap) __printflike(1, 0);
111
112__END_DECLS
113
114#endif /* _MACH_INIT_ */