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/* $NetBSD: fault.h,v 1.2 2020/06/30 16:28:17 maxv Exp $ */
/*
* Copyright (c) 2020 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Maxime Villard.
*
* 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_FAULT_H_
#define _SYS_FAULT_H_
#ifdef _KERNEL_OPT
#include "opt_fault.h"
#endif
#if !defined(_KERNEL) || defined(FAULT)
#define FAULT_SCOPE_GLOBAL 0
#define FAULT_SCOPE_LWP 1
#define FAULT_MODE_NTH_ONESHOT 0
#define FAULT_NTH_MIN 2
struct fault_ioc_enable {
int scope;
int mode;
union {
unsigned long nth;
};
};
struct fault_ioc_disable {
int scope;
};
struct fault_ioc_getinfo {
int scope;
unsigned long nfaults;
};
#define FAULT_IOC_ENABLE _IOW ('F', 1, struct fault_ioc_enable)
#define FAULT_IOC_DISABLE _IOW ('F', 2, struct fault_ioc_disable)
#define FAULT_IOC_GETINFO _IOWR('F', 3, struct fault_ioc_getinfo)
#endif /* !_KERNEL || FAULT */
#ifdef _KERNEL
#ifdef FAULT
bool fault_inject(void);
#else
#define fault_inject() false
#endif
#endif /* _KERNEL */
#endif /* !_SYS_FAULT_H_ */
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