xref: /xnu-8020.101.4/libsyscall/mach/panic.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*e7776783SApple OSS Distributions  *
4*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions  *
6*e7776783SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*e7776783SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*e7776783SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*e7776783SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*e7776783SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*e7776783SApple OSS Distributions  *
15*e7776783SApple OSS Distributions  * Please obtain a copy of the License at
16*e7776783SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e7776783SApple OSS Distributions  *
18*e7776783SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*e7776783SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e7776783SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e7776783SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e7776783SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e7776783SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*e7776783SApple OSS Distributions  * limitations under the License.
25*e7776783SApple OSS Distributions  *
26*e7776783SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e7776783SApple OSS Distributions  */
28*e7776783SApple OSS Distributions /*
29*e7776783SApple OSS Distributions  * @OSF_COPYRIGHT@
30*e7776783SApple OSS Distributions  */
31*e7776783SApple OSS Distributions 
32*e7776783SApple OSS Distributions /*
33*e7776783SApple OSS Distributions  * Mach Operating System
34*e7776783SApple OSS Distributions  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
35*e7776783SApple OSS Distributions  * All Rights Reserved.
36*e7776783SApple OSS Distributions  *
37*e7776783SApple OSS Distributions  * Permission to use, copy, modify and distribute this software and its
38*e7776783SApple OSS Distributions  * documentation is hereby granted, provided that both the copyright
39*e7776783SApple OSS Distributions  * notice and this permission notice appear in all copies of the
40*e7776783SApple OSS Distributions  * software, derivative works or modified versions, and any portions
41*e7776783SApple OSS Distributions  * thereof, and that both notices appear in supporting documentation.
42*e7776783SApple OSS Distributions  *
43*e7776783SApple OSS Distributions  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
44*e7776783SApple OSS Distributions  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
45*e7776783SApple OSS Distributions  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
46*e7776783SApple OSS Distributions  *
47*e7776783SApple OSS Distributions  * Carnegie Mellon requests users of this software to return to
48*e7776783SApple OSS Distributions  *
49*e7776783SApple OSS Distributions  *  Software Distribution Coordinator  or  [email protected]
50*e7776783SApple OSS Distributions  *  School of Computer Science
51*e7776783SApple OSS Distributions  *  Carnegie Mellon University
52*e7776783SApple OSS Distributions  *  Pittsburgh PA 15213-3890
53*e7776783SApple OSS Distributions  *
54*e7776783SApple OSS Distributions  * any improvements or extensions that they make and grant Carnegie Mellon
55*e7776783SApple OSS Distributions  * the rights to redistribute these changes.
56*e7776783SApple OSS Distributions  */
57*e7776783SApple OSS Distributions 
58*e7776783SApple OSS Distributions #include <mach/mach.h>
59*e7776783SApple OSS Distributions #include <mach/mach_host.h>
60*e7776783SApple OSS Distributions 
61*e7776783SApple OSS Distributions #include "abort.h"
62*e7776783SApple OSS Distributions #include "string.h"
63*e7776783SApple OSS Distributions 
64*e7776783SApple OSS Distributions extern int write(int fd, const char* cbuf, int nbyte);
65*e7776783SApple OSS Distributions 
66*e7776783SApple OSS Distributions static mach_port_t master_host_port;
67*e7776783SApple OSS Distributions 
68*e7776783SApple OSS Distributions void
panic_init(mach_port_t port)69*e7776783SApple OSS Distributions panic_init(mach_port_t port)
70*e7776783SApple OSS Distributions {
71*e7776783SApple OSS Distributions 	master_host_port = port;
72*e7776783SApple OSS Distributions }
73*e7776783SApple OSS Distributions 
74*e7776783SApple OSS Distributions /*VARARGS1*/
75*e7776783SApple OSS Distributions void
panic(const char * s,...)76*e7776783SApple OSS Distributions panic(const char *s, ...)
77*e7776783SApple OSS Distributions {
78*e7776783SApple OSS Distributions 	char buffer[1024];
79*e7776783SApple OSS Distributions 	int len = _mach_snprintf(buffer, sizeof(buffer), "panic: %s\n", s);
80*e7776783SApple OSS Distributions 	write(__STDERR_FILENO, buffer, len);
81*e7776783SApple OSS Distributions 
82*e7776783SApple OSS Distributions #define RB_DEBUGGER     0x1000  /* enter debugger NOW */
83*e7776783SApple OSS Distributions 	(void) host_reboot(master_host_port, RB_DEBUGGER);
84*e7776783SApple OSS Distributions 
85*e7776783SApple OSS Distributions 	/* 4279008 - don't return */
86*e7776783SApple OSS Distributions 	abort();
87*e7776783SApple OSS Distributions }
88