1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1988 AT&T	*/
23/*	  All Rights Reserved  	*/
24
25
26/*
27 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31/*
32 * An application should not include this header directly.  Instead it
33 * should be included only through the inclusion of other Sun headers.
34 *
35 * The contents of this header is limited to identifiers specified in the
36 * C Standard.  Any new identifiers specified in future amendments to the
37 * C Standard must be placed in this header.  If these new identifiers
38 * are required to also be in the C++ Standard "std" namespace, then for
39 * anything other than macro definitions, corresponding "using" directives
40 * must also be added to <setjmp.h>.
41 */
42
43#ifndef _ISO_SETJMP_ISO_H
44#define	_ISO_SETJMP_ISO_H
45
46#include <sys/feature_tests.h>
47
48#ifdef	__cplusplus
49extern "C" {
50#endif
51
52#ifndef _JBLEN
53
54/*
55 * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
56 * (_SIGJBLEN) are defined by the appropriate, processor specific,
57 * ABI.
58 */
59#if defined(__amd64)
60#define	_JBLEN		8	/* ABI value */
61#define	_SIGJBLEN	128	/* ABI value */
62#elif defined(__i386)
63#define	_JBLEN		10	/* ABI value */
64#define	_SIGJBLEN	128	/* ABI value */
65#elif defined(__sparcv9)
66#define	_JBLEN		12	/* ABI value */
67#define	_SIGJBLEN	19	/* ABI value */
68#elif defined(__sparc)
69#define	_JBLEN		12	/* ABI value */
70#define	_SIGJBLEN	19	/* ABI value */
71#else
72#error "ISA not supported"
73#endif
74
75#if __cplusplus >= 199711L
76namespace std {
77#endif
78
79#if defined(__i386) || defined(__amd64) || \
80	defined(__sparc) || defined(__sparcv9)
81#if defined(_LP64) || defined(_I32LPx)
82typedef long	jmp_buf[_JBLEN];
83#else
84typedef int	jmp_buf[_JBLEN];
85#endif
86#else
87#error "ISA not supported"
88#endif
89
90#if defined(__STDC__)
91
92extern int setjmp(jmp_buf) __RETURNS_TWICE;
93#pragma unknown_control_flow(setjmp)
94extern int _setjmp(jmp_buf) __RETURNS_TWICE;
95#pragma unknown_control_flow(_setjmp)
96extern void longjmp(jmp_buf, int) __NORETURN;
97extern void _longjmp(jmp_buf, int) __NORETURN;
98
99#else
100
101extern int setjmp() __RETURNS_TWICE;
102#pragma unknown_control_flow(setjmp)
103extern int _setjmp() __RETURNS_TWICE;
104#pragma unknown_control_flow(_setjmp)
105extern void longjmp();
106extern void _longjmp();
107
108#endif  /* __STDC__ */
109
110#if __cplusplus >= 199711L
111}
112#endif /* end of namespace std */
113
114#if __cplusplus >= 199711L
115using std::setjmp;
116#endif
117
118#if defined(_STRICT_STDC) || __cplusplus >= 199711L
119#define	setjmp(env)	setjmp(env)
120#endif
121
122#endif  /* _JBLEN */
123
124#ifdef	__cplusplus
125}
126#endif
127
128#endif	/* _ISO_SETJMP_ISO_H */
129