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 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _MDB_CONTEXT_IMPL_H
28 #define	_MDB_CONTEXT_IMPL_H
29 
30 #include <mdb/mdb_context.h>
31 
32 #include <sys/types.h>
33 
34 #include <ucontext.h>
35 #include <setjmp.h>
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 struct mdb_context {
42 	int (*ctx_func)(void);		/* pointer to start function */
43 	int ctx_status;			/* return status of ctx_func */
44 	int ctx_resumes;		/* count of context resume calls */
45 	size_t ctx_stacksize;		/* size of stack in bytes */
46 	void *ctx_stack;		/* stack base address */
47 	ucontext_t ctx_uc;		/* user context structure */
48 	jmp_buf ctx_pcb;		/* control block for resume */
49 };
50 
51 #ifdef __cplusplus
52 }
53 #endif
54 
55 #endif /* _MDB_CONTEXT_IMPL_H */
56