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linux_siginfo.h revision 1.1 
      1 /*	$NetBSD: linux_siginfo.h,v 1.1 2002/09/05 22:28:10 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _I386_LINUX_SIGINFO_H
     40 #define _I386_LINUX_SIGINFO_H
     41 
     42 typedef union linux_sigval {
     43 	int	sival_int;
     44 	void	*sival_ptr;
     45 } linux_sigval_t;
     46 
     47 #define SI_MAX_SIZE	128
     48 #define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
     49 
     50 typedef struct linux_siginfo {
     51 	int	lsi_signo;
     52 	int	lsi_errno;
     53 	int	lsi_code;
     54 	union {
     55 		int _pad[SI_PAD_SIZE];
     56 
     57 		/* kill() */
     58 		struct {
     59 			linux_pid_t	_pid;
     60 			linux_uid_t	_uid;
     61 		} _kill;
     62 
     63 		/* POSIX.1b signals */
     64 		struct {
     65 			linux_pid_t	_pid;
     66 			linux_uid_t	_uid;
     67 			linux_sigval_t	_sigval;
     68 		} _rt;
     69 
     70 		/* POSIX.1b timers */
     71 		struct {
     72 			unsigned int	_timer1;
     73 			unsigned int	_timer2;
     74 		} _timer;
     75 
     76 		/* SIGCHLD */
     77 		struct {
     78 			linux_pid_t	_pid;
     79 			linux_uid_t	_uid;
     80 			int		_status;
     81 			linux_clock_t	_utime;
     82 			linux_clock_t	_stime;
     83 		} _sigchld;
     84 
     85 		/* SIGPOLL */
     86 		struct {
     87 			int _band;
     88 			int _fd;
     89 		} _sigpoll;
     90 
     91 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
     92 		struct {
     93 			void *_addr;
     94 		} _sigfault;
     95 	} _sidata;
     96 } linux_siginfo_t;
     97 
     98 #define lsi_pid		_sidata._kill._pid
     99 #define lsi_uid		_sidata._kill._uid
    100 #define lsi_status      _sidata._sigchld._status
    101 #define lsi_utime       _sidata._sigchld._utime
    102 #define lsi_stime       _sidata._sigchld._stime
    103 #define lsi_value       _sidata._rt._sigval
    104 #define lsi_int         _sidata._rt._sigval.sival_int
    105 #define lsi_ptr         _sidata._rt._sigval.sival_ptr
    106 #define lsi_addr        _sidata._sigfault._addr
    107 #define lsi_band        _sidata._sigpoll._band
    108 #define lsi_fd          _sidata._sigpoll._fd
    109 
    110 #define LINUX_SI_USER		0
    111 #define	LINUX_SI_KERNEL		0x80
    112 #define LINUX_SI_QUEUE		-1
    113 #define LINUX_SI_TIMER		-2
    114 #define LINUX_SI_MESGQ		-3
    115 #define LINUX_SI_ASYNCIO	-4
    116 #define LINUX_SI_SIGIO		-5
    117 
    118 #define LINUX_SI_FROMUSER(sp)	((sp)->si_code <= 0)
    119 #define LINUX_SI_FROMKERNEL(sp)	((sp)->si_code > 0)
    120 
    121 #endif /* !_I386_LINUX_SIGINFO_H */
    122