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