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 #include <machine/_mcontext.h> 36 #include <sys/_types/_ucontext.h> 37 38 #include <sys/_types/_sigset_t.h> 39 40 #ifdef KERNEL 41 #include <machine/types.h> /* user_addr_t, user_size_t */ 42 43 /* kernel representation of struct ucontext64 for 64 bit processes */ 44 typedef struct user_ucontext64 { 45 int uc_onstack; 46 sigset_t uc_sigmask; /* signal mask */ 47 struct user64_sigaltstack uc_stack; /* stack */ 48 user_addr_t uc_link; /* ucontext pointer */ 49 user_size_t uc_mcsize; /* mcontext size */ 50 user_addr_t uc_mcontext64; /* machine context */ 51 } user_ucontext64_t; 52 53 typedef struct user_ucontext32 { 54 int uc_onstack; 55 sigset_t uc_sigmask; /* signal mask */ 56 struct user32_sigaltstack uc_stack; /* stack */ 57 user32_addr_t uc_link; /* ucontext pointer */ 58 user32_size_t uc_mcsize; /* mcontext size */ 59 user32_addr_t uc_mcontext; /* machine context */ 60 } user_ucontext32_t; 61 62 #endif /* KERNEL */ 63 64 #endif /* _SYS_UCONTEXT_H_ */ 65