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1c79356b 1/*
2d21ac55 2 * Copyright (c) 2002-2006 Apple Computer, Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
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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.
8f6c56a5 14 *
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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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
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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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
1c79356b 28
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29#ifndef _SYS_UCONTEXT_H_
30#define _SYS_UCONTEXT_H_
1c79356b 31
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32#include <sys/cdefs.h>
33#include <sys/_types.h>
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34
35#define __need_mcontext_t
36#define __need_stack_t
37#define __need_ucontext_t
38#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
39#if defined(__ppc__) || defined(__ppc64__)
40#define __need_mcontext64_t
41#define __need_ucontext64_t
42#endif /* __ppc__|| __ppc64__ */
43#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
44#include <sys/_structs.h>
1c79356b 45
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46#ifndef _SIGSET_T
47#define _SIGSET_T
48typedef __darwin_sigset_t sigset_t;
49#endif
50
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51#ifdef KERNEL
52#include <machine/types.h> /* user_addr_t, user_size_t */
1c79356b 53
91447636 54/* kernel representation of struct ucontext64 for 64 bit processes */
b0d623f7 55typedef struct user_ucontext64 {
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56 int uc_onstack;
57 sigset_t uc_sigmask; /* signal mask */
b0d623f7 58 struct user64_sigaltstack uc_stack; /* stack */
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59 user_addr_t uc_link; /* ucontext pointer */
60 user_size_t uc_mcsize; /* mcontext size */
61 user_addr_t uc_mcontext64; /* machine context */
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62} user_ucontext64_t;
63
64typedef struct user_ucontext32 {
65 int uc_onstack;
66 sigset_t uc_sigmask; /* signal mask */
67 struct user32_sigaltstack uc_stack; /* stack */
68 user32_addr_t uc_link; /* ucontext pointer */
69 user32_size_t uc_mcsize; /* mcontext size */
70 user32_addr_t uc_mcontext; /* machine context */
71} user_ucontext32_t;
55e303ae 72
91447636 73#endif /* KERNEL */
55e303ae 74
9bccf70c 75#endif /* _SYS_UCONTEXT_H_ */