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/* $OpenBSD: signal.h,v 1.10 2013/04/01 17:18:20 deraadt Exp $ */
/* $NetBSD: signal.h,v 1.6 1996/01/08 13:51:43 mycroft Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
* All rights reserved.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)signal.h 7.16 (Berkeley) 3/17/91
*/
#ifndef _MACHINE_SIGNAL_H_
#define _MACHINE_SIGNAL_H_
#include <sys/cdefs.h>
typedef int sig_atomic_t;
#ifdef _KERNEL
#include <machine/trap.h>
#endif
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*/
struct sigcontext {
int sc_gs;
int sc_fs;
int sc_es;
int sc_ds;
int sc_edi;
int sc_esi;
int sc_ebp;
int sc_ebx;
int sc_edx;
int sc_ecx;
int sc_eax;
/* XXX */
int sc_eip;
int sc_cs;
int sc_eflags;
int sc_esp;
int sc_ss;
int __sc_unused;
int sc_mask; /* signal mask to restore */
int sc_trapno; /* XXX should be above */
int sc_err;
union savefpu *sc_fpstate;
};
#define sc_sp sc_esp
#define sc_fp sc_ebp
#define sc_pc sc_eip
#define sc_ps sc_eflags
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
#endif /* !_MACHINE_SIGNAL_H_ */
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