f6aac1c3b5
Moving include/sys NetBSD headers to /sys/sys Moving include/arch/*/ NetBSD headers to /sys/arch/*/include Change-Id: Ia1a45d4e83ab806c84093ec2b61bdbea9bed65a0
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/* $NetBSD: ucontext.h,v 1.17 2012/09/12 02:00:54 manu Exp $ */
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/*-
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* Copyright (c) 1999, 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein, and by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_UCONTEXT_H_
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#define _SYS_UCONTEXT_H_
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#include <sys/sigtypes.h>
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#include <machine/mcontext.h>
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typedef struct __ucontext ucontext_t;
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struct __ucontext {
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unsigned int uc_flags; /* properties */
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ucontext_t * uc_link; /* context to resume */
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mcontext_t uc_mcontext; /* machine state */
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sigset_t uc_sigmask; /* signals blocked in this context */
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stack_t uc_stack; /* the stack used by this context */
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#if defined(_UC_MACHINE_PAD)
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long __uc_pad[_UC_MACHINE_PAD];
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#endif
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};
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#ifndef _UC_UCONTEXT_ALIGN
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#define _UC_UCONTEXT_ALIGN (~0)
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#endif
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#define UCF_SWAPPED 001 /* Context has been swapped in by swapcontext(3) */
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#define UCF_IGNFPU 002 /* Ignore FPU context by get or setcontext(3) */
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#define UCF_IGNSIGM 004 /* Ignore signal mask by get or setcontext(3) */
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#define NCARGS 6
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#ifdef __minix
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__BEGIN_DECLS
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void resumecontext(ucontext_t *ucp);
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/* These functions get and set ucontext structure through PM/kernel. They don't
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* manipulate the stack. */
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int getuctx(ucontext_t *ucp);
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int setuctx(const ucontext_t *ucp);
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__END_DECLS
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#endif /* __minix */
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#endif /* !_SYS_UCONTEXT_H_ */
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