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Initial revision

/*	$OpenBSD: signal.h,v 1.4 2006/01/09 23:53:41 millert Exp $ */
/*
 * Copyright (c) 1996 Nivas Madhur
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Nivas Madhur.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 __MACHINE_SIGNAL_H__
#define __MACHINE_SIGNAL_H__

#include <sys/cdefs.h>

typedef int sig_atomic_t;

#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
#include <machine/reg.h>

/*
 * 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.
 *
 * All machines must have an sc_onstack and sc_mask.
 */
struct  sigcontext {
        int     sc_onstack;             /* sigstack state to restore */
        int     sc_mask;                /* signal mask to restore */
	/* begin machine dependent portion */
	struct reg sc_regs;
};
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
#endif /* __MACHINE_SIGNAL_H__ */