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 #ifndef KERNEL
68 #include <Availability.h>
69 #endif
70 
71 /*
72  *	Kernel-related ports; how a task/thread controls itself
73  */
74 
75 __BEGIN_DECLS
76 extern mach_port_t mach_host_self(void);
77 extern mach_port_t mach_thread_self(void);
78 __API_AVAILABLE(macos(11.3), ios(14.5), tvos(14.5), watchos(7.3))
79 extern boolean_t mach_task_is_self(task_name_t task);
80 extern kern_return_t host_page_size(host_t, vm_size_t *);
81 
82 extern mach_port_t      mach_task_self_;
83 #define mach_task_self() mach_task_self_
84 #define current_task()  mach_task_self()
85 
86 __END_DECLS
87 #include <mach/mach_traps.h>
88 __BEGIN_DECLS
89 
90 /*
91  *	Other important ports in the Mach user environment
92  */
93 
94 extern  mach_port_t     bootstrap_port;
95 
96 /*
97  *	Where these ports occur in the "mach_ports_register"
98  *	collection... only servers or the runtime library need know.
99  */
100 
101 #define NAME_SERVER_SLOT        0
102 #define ENVIRONMENT_SLOT        1
103 #define SERVICE_SLOT            2
104 
105 #define MACH_PORTS_SLOTS_USED   3
106 
107 /*
108  *	fprintf_stderr uses vprintf_stderr_func to produce
109  *	error messages, this can be overridden by a user
110  *	application to point to a user-specified output function
111  */
112 extern int (*vprintf_stderr_func)(const char *format, va_list ap);
113 
114 __END_DECLS
115 
116 #endif  /* _MACH_INIT_ */