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Initial revision

/*	$OpenBSD: signal.h,v 1.2 2007/03/02 06:11:54 miod Exp $	*/
/*	$NetBSD: signal.h,v 1.12 2005/12/11 12:18:58 christos 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 _SH_SIGNAL_H_
#define	_SH_SIGNAL_H_

#include <sys/cdefs.h>
#include <sh/reg.h>

typedef int sig_atomic_t;

#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 {
	struct reg sc_reg;
	struct fpreg sc_fpreg;

	int	sc_onstack;	/* sigstack state to restore */

	int	sc_expevt;	/* XXX should be above */
	int	sc_err;

	unsigned int sc_mask;	/* signal mask to restore */
};

#endif	/* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
#endif	/* !_SH_SIGNAL_H_ */