xref: /xnu-8020.140.41/libsyscall/mach/panic.c (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions /*
29*27b03b36SApple OSS Distributions  * @OSF_COPYRIGHT@
30*27b03b36SApple OSS Distributions  */
31*27b03b36SApple OSS Distributions 
32*27b03b36SApple OSS Distributions /*
33*27b03b36SApple OSS Distributions  * Mach Operating System
34*27b03b36SApple OSS Distributions  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
35*27b03b36SApple OSS Distributions  * All Rights Reserved.
36*27b03b36SApple OSS Distributions  *
37*27b03b36SApple OSS Distributions  * Permission to use, copy, modify and distribute this software and its
38*27b03b36SApple OSS Distributions  * documentation is hereby granted, provided that both the copyright
39*27b03b36SApple OSS Distributions  * notice and this permission notice appear in all copies of the
40*27b03b36SApple OSS Distributions  * software, derivative works or modified versions, and any portions
41*27b03b36SApple OSS Distributions  * thereof, and that both notices appear in supporting documentation.
42*27b03b36SApple OSS Distributions  *
43*27b03b36SApple OSS Distributions  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
44*27b03b36SApple OSS Distributions  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
45*27b03b36SApple OSS Distributions  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
46*27b03b36SApple OSS Distributions  *
47*27b03b36SApple OSS Distributions  * Carnegie Mellon requests users of this software to return to
48*27b03b36SApple OSS Distributions  *
49*27b03b36SApple OSS Distributions  *  Software Distribution Coordinator  or  [email protected]
50*27b03b36SApple OSS Distributions  *  School of Computer Science
51*27b03b36SApple OSS Distributions  *  Carnegie Mellon University
52*27b03b36SApple OSS Distributions  *  Pittsburgh PA 15213-3890
53*27b03b36SApple OSS Distributions  *
54*27b03b36SApple OSS Distributions  * any improvements or extensions that they make and grant Carnegie Mellon
55*27b03b36SApple OSS Distributions  * the rights to redistribute these changes.
56*27b03b36SApple OSS Distributions  */
57*27b03b36SApple OSS Distributions 
58*27b03b36SApple OSS Distributions #include <mach/mach.h>
59*27b03b36SApple OSS Distributions #include <mach/mach_host.h>
60*27b03b36SApple OSS Distributions 
61*27b03b36SApple OSS Distributions #include "abort.h"
62*27b03b36SApple OSS Distributions #include "string.h"
63*27b03b36SApple OSS Distributions 
64*27b03b36SApple OSS Distributions extern int write(int fd, const char* cbuf, int nbyte);
65*27b03b36SApple OSS Distributions 
66*27b03b36SApple OSS Distributions static mach_port_t master_host_port;
67*27b03b36SApple OSS Distributions 
68*27b03b36SApple OSS Distributions void
panic_init(mach_port_t port)69*27b03b36SApple OSS Distributions panic_init(mach_port_t port)
70*27b03b36SApple OSS Distributions {
71*27b03b36SApple OSS Distributions 	master_host_port = port;
72*27b03b36SApple OSS Distributions }
73*27b03b36SApple OSS Distributions 
74*27b03b36SApple OSS Distributions /*VARARGS1*/
75*27b03b36SApple OSS Distributions void
panic(const char * s,...)76*27b03b36SApple OSS Distributions panic(const char *s, ...)
77*27b03b36SApple OSS Distributions {
78*27b03b36SApple OSS Distributions 	char buffer[1024];
79*27b03b36SApple OSS Distributions 	int len = _mach_snprintf(buffer, sizeof(buffer), "panic: %s\n", s);
80*27b03b36SApple OSS Distributions 	write(__STDERR_FILENO, buffer, len);
81*27b03b36SApple OSS Distributions 
82*27b03b36SApple OSS Distributions #define RB_DEBUGGER     0x1000  /* enter debugger NOW */
83*27b03b36SApple OSS Distributions 	(void) host_reboot(master_host_port, RB_DEBUGGER);
84*27b03b36SApple OSS Distributions 
85*27b03b36SApple OSS Distributions 	/* 4279008 - don't return */
86*27b03b36SApple OSS Distributions 	abort();
87*27b03b36SApple OSS Distributions }
88