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1/*
2 * Copyright (c) 2002-2005 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#include <machine/ucontext.h>
35
36#ifndef _SIGSET_T
37#define _SIGSET_T
38typedef __darwin_sigset_t sigset_t;
39#endif
40
41#ifndef _STACK_T
42#define _STACK_T
43typedef __darwin_stack_t stack_t;
44#endif
45
46#ifndef _UCONTEXT_T
47#define _UCONTEXT_T
48#ifndef _POSIX_C_SOURCE
49typedef struct ucontext ucontext_t;
50#else /* _POSIX_C_SOURCE */
51typedef struct __darwin_ucontext ucontext_t;
52#endif /* _POSIX_C_SOURCE */
53#endif
54
55#ifndef _POSIX_C_SOURCE
56#ifndef _UCONTEXT64_T
57#define _UCONTEXT64_T
58typedef struct ucontext64 ucontext64_t;
59#endif
60#endif /* _POSIX_C_SOURCE */
61
62#ifdef KERNEL
63#include <machine/types.h> /* user_addr_t, user_size_t */
64
65/* kernel representation of struct ucontext64 for 64 bit processes */
66struct user_ucontext64 {
67 int uc_onstack;
68 sigset_t uc_sigmask; /* signal mask */
69 struct user_sigaltstack uc_stack; /* stack */
70 user_addr_t uc_link; /* ucontext pointer */
71 user_size_t uc_mcsize; /* mcontext size */
72 user_addr_t uc_mcontext64; /* machine context */
73};
74
75typedef struct user_ucontext64 user_ucontext64_t;
76#endif /* KERNEL */
77
78#endif /* _SYS_UCONTEXT_H_ */