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1c79356b 1/*
8ad349bb 2 * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
1c79356b 3 *
8ad349bb 4 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b 5 *
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A
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
10 * License may not be used to create, or enable the creation or
11 * redistribution of, unlawful or unlicensed copies of an Apple operating
12 * system, or to circumvent, violate, or enable the circumvention or
13 * violation of, any terms of an Apple operating system software license
14 * agreement.
15 *
16 * Please obtain a copy of the License at
17 * http://www.opensource.apple.com/apsl/ and read it before using this
18 * file.
19 *
20 * The Original Code and all software distributed under the License are
21 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
22 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
23 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
25 * Please see the License for the specific language governing rights and
26 * limitations under the License.
27 *
28 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
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29 */
30/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
31 *
32 * File: setjmp.h
33 *
34 * Declaration of setjmp routines and data structures.
35 */
36#ifndef _BSD_I386_SETJMP_H
37#define _BSD_I386_SETJMP_H
38
39#include <sys/cdefs.h>
91447636 40#include <machine/signal.h>
1c79356b 41
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42/*
43 * _JBLEN is number of ints required to save the following:
44 * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip,
45 * cs, de, es, fs, gs == 16 ints
46 * onstack, mask = 2 ints
47 */
1c79356b 48
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49#if defined(KERNEL)
50typedef struct sigcontext jmp_buf[1];
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51#define _JBLEN ((sizeof(struct sigcontext)) / sizeof(int))
52typedef int sigjmp_buf[_JBLEN+1];
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53#else
54#define _JBLEN (18)
55typedef int jmp_buf[_JBLEN];
56typedef int sigjmp_buf[_JBLEN + 1];
57#endif
58
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59
60__BEGIN_DECLS
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61extern int setjmp(jmp_buf env);
62extern void longjmp(jmp_buf env, int val);
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63
64#ifndef _ANSI_SOURCE
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65int _setjmp(jmp_buf env);
66void _longjmp(jmp_buf, int val);
67int sigsetjmp(sigjmp_buf env, int val);
68void siglongjmp(sigjmp_buf env, int val);
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69#endif /* _ANSI_SOURCE */
70
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71#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
72void longjmperror(void);
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73#endif /* neither ANSI nor POSIX */
74__END_DECLS
75#endif /* !_BSD_I386_SETJMP_H */