minix/sys/sys/ucontext.h
Lionel Sambuc f6aac1c3b5 Moving all NetBSD headers back where they belong.
Moving include/sys NetBSD headers to /sys/sys
Moving include/arch/*/ NetBSD headers to /sys/arch/*/include

Change-Id: Ia1a45d4e83ab806c84093ec2b61bdbea9bed65a0
2013-01-14 11:36:25 +01:00

73 lines
2.6 KiB
C

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