xref: /illumos-gate/usr/src/head/setjmp.h (revision 71269a2275bf5a143dad6461eee2710a344e7261)
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 2004 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 #ifndef _SETJMP_H
32 #define	_SETJMP_H
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.9.2.9 */
35 
36 #include <iso/setjmp_iso.h>
37 
38 /*
39  * Allow global visibility for symbols defined in
40  * C++ "std" namespace in <iso/setjmp_iso.h>.
41  */
42 #if __cplusplus >= 199711L
43 using std::jmp_buf;
44 using std::longjmp;
45 #endif
46 
47 #ifdef	__cplusplus
48 extern "C" {
49 #endif
50 
51 #if defined(__STDC__)
52 
53 #if !defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX) || \
54 	defined(__EXTENSIONS__)
55 /* non-ANSI standard compilation */
56 
57 #if defined(_LP64) || defined(_I32LPx)
58 typedef long sigjmp_buf[_SIGJBLEN];
59 #else
60 typedef int sigjmp_buf[_SIGJBLEN];
61 #endif
62 
63 extern int sigsetjmp(sigjmp_buf, int);
64 #pragma unknown_control_flow(sigsetjmp)
65 extern void siglongjmp(sigjmp_buf, int) __NORETURN;
66 #endif
67 
68 #else /* __STDC__ */
69 
70 #if defined(_LP64) || defined(_I32LPx)
71 typedef long sigjmp_buf[_SIGJBLEN];
72 #else
73 typedef int sigjmp_buf[_SIGJBLEN];
74 #endif
75 
76 extern int sigsetjmp();
77 #pragma unknown_control_flow(sigsetjmp)
78 extern void siglongjmp();
79 
80 #endif  /* __STDC__ */
81 
82 #ifdef	__cplusplus
83 }
84 #endif
85 
86 #endif	/* _SETJMP_H */
87