1/*
2 * Copyright (c) 2003-2012 Apple 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#ifndef _STRUCT_UCONTEXT
29#if __DARWIN_UNIX03
30#define _STRUCT_UCONTEXT	struct __darwin_ucontext
31#else /* !__DARWIN_UNIX03 */
32#define _STRUCT_UCONTEXT	struct ucontext
33#endif /* __DARWIN_UNIX03 */
34_STRUCT_UCONTEXT
35{
36	int                     uc_onstack;
37	__darwin_sigset_t       uc_sigmask;     /* signal mask used by this context */
38	_STRUCT_SIGALTSTACK     uc_stack;       /* stack used by this context */
39	_STRUCT_UCONTEXT        *uc_link;       /* pointer to resuming context */
40	__darwin_size_t	        uc_mcsize;      /* size of the machine context passed in */
41	_STRUCT_MCONTEXT        *uc_mcontext;   /* pointer to machine specific context */
42#ifdef _XOPEN_SOURCE
43	_STRUCT_MCONTEXT        __mcontext_data;
44#endif /* _XOPEN_SOURCE */
45};
46
47/* user context */
48typedef _STRUCT_UCONTEXT	ucontext_t;     /* [???] user context */
49
50#endif /* _STRUCT_UCONTEXT */
51