/*	$NetBSD: linux_siginfo.h,v 1.1 2002/09/05 22:28:10 christos Exp $	*/

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Eric Haszlakiewicz.
 *
 * 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 the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation 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 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 _I386_LINUX_SIGINFO_H
#define _I386_LINUX_SIGINFO_H

typedef union linux_sigval {
	int	sival_int;
	void	*sival_ptr;
} linux_sigval_t;

#define SI_MAX_SIZE	128
#define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)

typedef struct linux_siginfo {
	int	lsi_signo;
	int	lsi_errno;
	int	lsi_code;
	union {
		int _pad[SI_PAD_SIZE];

		/* kill() */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
		} _kill;

		/* POSIX.1b signals */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
			linux_sigval_t	_sigval;
		} _rt;

		/* POSIX.1b timers */
		struct {
			unsigned int	_timer1;
			unsigned int	_timer2;
		} _timer;

		/* SIGCHLD */
		struct {
			linux_pid_t	_pid;
			linux_uid_t	_uid;
			int		_status;
			linux_clock_t	_utime;
			linux_clock_t	_stime;
		} _sigchld;

		/* SIGPOLL */
		struct {
			int _band;
			int _fd;
		} _sigpoll;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			void *_addr;
		} _sigfault;
	} _sidata;
} linux_siginfo_t;

#define lsi_pid		_sidata._kill._pid
#define lsi_uid		_sidata._kill._uid
#define lsi_status      _sidata._sigchld._status
#define lsi_utime       _sidata._sigchld._utime
#define lsi_stime       _sidata._sigchld._stime
#define lsi_value       _sidata._rt._sigval
#define lsi_int         _sidata._rt._sigval.sival_int
#define lsi_ptr         _sidata._rt._sigval.sival_ptr
#define lsi_addr        _sidata._sigfault._addr
#define lsi_band        _sidata._sigpoll._band
#define lsi_fd          _sidata._sigpoll._fd  

#define LINUX_SI_USER		0
#define	LINUX_SI_KERNEL		0x80
#define LINUX_SI_QUEUE		-1
#define LINUX_SI_TIMER		-2
#define LINUX_SI_MESGQ		-3
#define LINUX_SI_ASYNCIO	-4
#define LINUX_SI_SIGIO		-5

#define LINUX_SI_FROMUSER(sp)	((sp)->si_code <= 0)
#define LINUX_SI_FROMKERNEL(sp)	((sp)->si_code > 0)

#endif /* !_I386_LINUX_SIGINFO_H */
