Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/sys/ucontext.h
Version:
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1 /* $NetBSD: ucontext.h,v 1.3 2008/04/28 20:23:46 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein, and by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _COMPAT_SYS_UCONTEXT_H_ 33 #define _COMPAT_SYS_UCONTEXT_H_ 34 35 #if defined(_KERNEL_OPT) 36 #include "opt_compat_netbsd32.h" 37 #endif 38 39 #include <compat/sys/sigtypes.h> 40 41 #if defined(COMPAT_NETBSD32) && defined(_KERNEL) 42 43 typedef struct __ucontext32 ucontext32_t; 44 45 struct __ucontext32 { 46 unsigned int uc_flags; /* properties */ 47 uint32_t uc_link; /* context to resume */ 48 sigset_t uc_sigmask; /* signals blocked in this context */ 49 stack32_t uc_stack; /* the stack used by this context */ 50 mcontext32_t uc_mcontext; /* machine state */ 51 #if defined(_UC_MACHINE32_PAD) 52 int __uc_pad[_UC_MACHINE32_PAD]; 53 #endif 54 }; 55 56 #endif /* COMPAT_NETBSD32 && _KERNEL */ 57 58 #ifdef _KERNEL 59 #ifdef COMPAT_NETBSD32 60 struct lwp; 61 void getucontext32(struct lwp *, ucontext32_t *); 62 int setucontext32(struct lwp *, const ucontext32_t *); 63 void cpu_getmcontext32(struct lwp *, mcontext32_t *, unsigned int *); 64 int cpu_setmcontext32(struct lwp *, const mcontext32_t *, unsigned int); 65 #endif /* COMPAT_NETBSD32 */ 66 #endif /* _KERNEL */ 67 68 #endif /* !_COMPAT_SYS_UCONTEXT_H_ */
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