1/*
2 * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _SYS_UCONTEXT_H_
30#define _SYS_UCONTEXT_H_
31
32#include <sys/cdefs.h>
33#include <sys/_types.h>
34
35#define __need_mcontext_t
36#define __need_stack_t
37#define __need_ucontext_t
38#include <sys/_structs.h>
39
40#ifndef _SIGSET_T
41#define _SIGSET_T
42typedef __darwin_sigset_t	sigset_t;
43#endif
44
45#ifdef KERNEL
46#include <machine/types.h>	/* user_addr_t, user_size_t */
47
48/* kernel representation of struct ucontext64 for 64 bit processes */
49typedef struct user_ucontext64 {
50	int				uc_onstack;
51	sigset_t			uc_sigmask;	/* signal mask */
52	struct user64_sigaltstack 	uc_stack;	/* stack */
53	user_addr_t			uc_link;	/* ucontext pointer */
54	user_size_t			uc_mcsize;	/* mcontext size */
55	user_addr_t			uc_mcontext64;	/* machine context */
56} user_ucontext64_t;
57
58typedef struct user_ucontext32 {
59	int				uc_onstack;
60	sigset_t			uc_sigmask;	/* signal mask */
61	struct user32_sigaltstack 	uc_stack;	/* stack */
62	user32_addr_t			uc_link;	/* ucontext pointer */
63	user32_size_t			uc_mcsize;	/* mcontext size */
64	user32_addr_t			uc_mcontext;	/* machine context */
65} user_ucontext32_t;
66
67#endif	/* KERNEL */
68
69#endif /* _SYS_UCONTEXT_H_ */
70