xref: /titanic_52/usr/src/head/setjmp.h (revision 1a5e258f5471356ca102c7176637cdce45bac147)
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 #include <iso/setjmp_iso.h>
35 
36 /*
37  * Allow global visibility for symbols defined in
38  * C++ "std" namespace in <iso/setjmp_iso.h>.
39  */
40 #if __cplusplus >= 199711L
41 using std::jmp_buf;
42 using std::longjmp;
43 #endif
44 
45 #ifdef	__cplusplus
46 extern "C" {
47 #endif
48 
49 #if defined(__STDC__)
50 
51 #if !defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX) || \
52 	defined(__EXTENSIONS__)
53 /* non-ANSI standard compilation */
54 
55 #if defined(_LP64) || defined(_I32LPx)
56 typedef long sigjmp_buf[_SIGJBLEN];
57 #else
58 typedef int sigjmp_buf[_SIGJBLEN];
59 #endif
60 
61 extern int sigsetjmp(sigjmp_buf, int) __RETURNS_TWICE;
62 #pragma unknown_control_flow(sigsetjmp)
63 extern void siglongjmp(sigjmp_buf, int) __NORETURN;
64 #endif
65 
66 #else /* __STDC__ */
67 
68 #if defined(_LP64) || defined(_I32LPx)
69 typedef long sigjmp_buf[_SIGJBLEN];
70 #else
71 typedef int sigjmp_buf[_SIGJBLEN];
72 #endif
73 
74 extern int sigsetjmp() __RETURNS_TWICE;
75 #pragma unknown_control_flow(sigsetjmp)
76 extern void siglongjmp();
77 
78 #endif  /* __STDC__ */
79 
80 #ifdef	__cplusplus
81 }
82 #endif
83 
84 #endif	/* _SETJMP_H */
85