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linux_siginfo.h revision 1.5 
      1 /*	$NetBSD: linux_siginfo.h,v 1.5 2008/04/28 20:23:42 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _I386_LINUX_SIGINFO_H
     33 #define _I386_LINUX_SIGINFO_H
     34 
     35 typedef union linux_sigval {
     36 	int	sival_int;
     37 	void	*sival_ptr;
     38 } linux_sigval_t;
     39 
     40 #define SI_MAX_SIZE	128
     41 #define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
     42 
     43 typedef struct linux_siginfo {
     44 	int	lsi_signo;
     45 	int	lsi_errno;
     46 	int	lsi_code;
     47 	union {
     48 		int _pad[SI_PAD_SIZE];
     49 
     50 		/* kill() */
     51 		struct {
     52 			linux_pid_t	_pid;
     53 			linux_uid_t	_uid;
     54 		} _kill;
     55 
     56 		/* POSIX.1b signals */
     57 		struct {
     58 			linux_pid_t	_pid;
     59 			linux_uid_t	_uid;
     60 			linux_sigval_t	_sigval;
     61 		} _rt;
     62 
     63 		/* POSIX.1b timers */
     64 		struct {
     65 			unsigned int	_timer1;
     66 			unsigned int	_timer2;
     67 		} _timer;
     68 
     69 		/* SIGCHLD */
     70 		struct {
     71 			linux_pid_t	_pid;
     72 			linux_uid_t	_uid;
     73 			int		_status;
     74 			linux_clock_t	_utime;
     75 			linux_clock_t	_stime;
     76 		} _sigchld;
     77 
     78 		/* SIGPOLL */
     79 		struct {
     80 			int _band;
     81 			int _fd;
     82 		} _sigpoll;
     83 
     84 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
     85 		struct {
     86 			void *_addr;
     87 		} _sigfault;
     88 	} _sidata;
     89 } linux_siginfo_t;
     90 
     91 #define lsi_pid		_sidata._kill._pid
     92 #define lsi_uid		_sidata._kill._uid
     93 #define lsi_status      _sidata._sigchld._status
     94 #define lsi_utime       _sidata._sigchld._utime
     95 #define lsi_stime       _sidata._sigchld._stime
     96 #define lsi_value       _sidata._rt._sigval
     97 #define lsi_int         _sidata._rt._sigval.sival_int
     98 #define lsi_ptr         _sidata._rt._sigval.sival_ptr
     99 #define lsi_addr        _sidata._sigfault._addr
    100 #define lsi_band        _sidata._sigpoll._band
    101 #define lsi_fd          _sidata._sigpoll._fd
    102 
    103 /*
    104  * si_code values for non-signals
    105  */
    106 #define LINUX_SI_USER		0
    107 #define	LINUX_SI_KERNEL		0x80
    108 #define LINUX_SI_QUEUE		-1
    109 #define LINUX_SI_TIMER		-2
    110 #define LINUX_SI_MESGQ		-3
    111 #define LINUX_SI_ASYNCIO	-4
    112 #define LINUX_SI_SIGIO		-5
    113 #define LINUX_SI_SIGNL		-6
    114 
    115 /* si_code values for SIGILL */
    116 #define	LINUX_ILL_ILLOPC	1
    117 #define	LINUX_ILL_ILLOPN	2
    118 #define	LINUX_ILL_ILLADR	3
    119 #define	LINUX_ILL_ILLTRP	4
    120 #define	LINUX_ILL_PRVOPC	5
    121 #define	LINUX_ILL_PRVREG	6
    122 #define	LINUX_ILL_COPROC	7
    123 #define	LINUX_ILL_BADSTK	8
    124 
    125 /* si_code values for SIGFPE */
    126 #define	LINUX_FPE_INTDIV 	1
    127 #define	LINUX_FPE_INTOVF	2
    128 #define	LINUX_FPE_FLTDIV	3
    129 #define	LINUX_FPE_FLTOVF	4
    130 #define	LINUX_FPE_FLTUND	5
    131 #define	LINUX_FPE_FLTRES	6
    132 #define	LINUX_FPE_FLTINV	7
    133 #define	LINUX_FPE_FLTSUB	8
    134 
    135 /* si_code values for SIGSEGV */
    136 #define	LINUX_SEGV_MAPERR	1
    137 #define	LINUX_SEGV_ACCERR	2
    138 
    139 /* si_code values for SIGBUS */
    140 #define	LINUX_BUS_ADRALN	1
    141 #define	LINUX_BUS_ADRERR	2
    142 #define	LINUX_BUS_OBJERR	3
    143 
    144 /* si_code values for SIGTRAP */
    145 #define	LINUX_TRAP_BRKPT	1
    146 #define	LINUX_TRAP_TRACE	2
    147 
    148 /* si_code values for SIGCHLD */
    149 #define	LINUX_CLD_EXITED	1
    150 #define	LINUX_CLD_KILLED	2
    151 #define	LINUX_CLD_DUMPED	3
    152 #define	LINUX_CLD_TRAPPED	4
    153 #define	LINUX_CLD_STOPPED	5
    154 #define	LINUX_CLD_CONTINUED	6
    155 
    156 /* si_code values for SIGPOLL */
    157 #define	LINUX_POLL_IN		1
    158 #define	LINUX_POLL_OUT		2
    159 #define	LINUX_POLL_MSG		3
    160 #define	LINUX_POLL_ERR		4
    161 #define	LINUX_POLL_PRI		5
    162 #define	LINUX_POLL_HUP		6
    163 
    164 #define LINUX_SI_FROMUSER(sp)	((sp)->si_code <= 0)
    165 #define LINUX_SI_FROMKERNEL(sp)	((sp)->si_code > 0)
    166 
    167 #endif /* !_I386_LINUX_SIGINFO_H */
    168