xref: /illumos-gate/usr/src/head/ucontext.h (revision 355b4669e025ff377602b6fc7caaf30dbc218371)
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 _UCONTEXT_H
32 #define	_UCONTEXT_H
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"
35 
36 #include <sys/ucontext.h>
37 
38 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
39 #include <sys/siginfo.h>
40 #endif
41 
42 #ifdef	__cplusplus
43 extern "C" {
44 #endif
45 
46 #ifdef __sparc
47 #ifdef __PRAGMA_REDEFINE_EXTNAME
48 #pragma	redefine_extname	makecontext	__makecontext_v2
49 #else
50 #define	makecontext	__makecontext_v2
51 #endif
52 #endif
53 
54 #if defined(__STDC__)
55 
56 extern int getcontext(ucontext_t *);
57 #pragma unknown_control_flow(getcontext)
58 extern int setcontext(const ucontext_t *) __NORETURN;
59 extern int swapcontext(ucontext_t *_RESTRICT_KYWD,
60 		const ucontext_t *_RESTRICT_KYWD);
61 extern void makecontext(ucontext_t *, void(*)(), int, ...);
62 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
63 extern int walkcontext(const ucontext_t *, int (*)(uintptr_t, int, void *),
64     void *);
65 extern int printstack(int);
66 
67 extern int getustack(stack_t **);
68 extern int setustack(stack_t *);
69 
70 extern int stack_getbounds(stack_t *);
71 extern int stack_setbounds(const stack_t *);
72 extern int stack_inbounds(void *);
73 extern int stack_violation(int, const siginfo_t *, const ucontext_t *);
74 
75 extern void *_stack_grow(void *);
76 #endif
77 #else
78 
79 extern int getcontext();
80 #pragma unknown_control_flow(getcontext)
81 extern int setcontext();
82 extern int swapcontext();
83 extern void makecontext();
84 #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
85 extern int walkcontext();
86 extern int printstack();
87 
88 extern int getustack();
89 extern int setustack();
90 
91 extern int stack_getbounds();
92 extern int stack_setbounds();
93 extern int stack_inbounds();
94 extern int stack_violation();
95 
96 extern void *_stack_grow();
97 #endif
98 #endif
99 
100 #ifdef	__cplusplus
101 }
102 #endif
103 
104 #endif	/* _UCONTEXT_H */
105