1 /*	$NetBSD: linux_siginfo.h,v 1.2 2001/09/02 07:24:49 manu Exp $ */
2 
3 /*-
4  * Copyright (c) 1998, 2001 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 and Emmanuel Dreyfus.
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 _MIPS_LINUX_SIGINFO_H
40 #define _MIPS_LINUX_SIGINFO_H
41 
42 /*
43  * Everything is from Linux's include/asm-mips/siginfo.h
44  */
45 typedef union linux_sigval {
46 	int sival_int;
47 	void *sival_ptr;
48 } linux_sigval_t;
49 
50 #define SI_MAX_SIZE	128
51 #define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
52 
53 typedef struct linux_siginfo {
54 	int lsi_signo;
55 	int lsi_code;
56 	int lsi_errno;
57 	union {
58 		int _pad[SI_PAD_SIZE];
59 
60 		/* kill() */
61 		struct {
62 			linux_pid_t	_pid;
63 			linux_uid_t	_uid;
64 		} _kill;
65 
66 		/* SIGCHLD */
67 		struct {
68 			linux_pid_t	_pid;
69 			linux_uid_t	_uid;
70 			linux_clock_t _utime;
71 			int _status;
72 			linux_clock_t _stime;
73 		} _sigchld;
74 
75 		/* IRIX SIGCHLD */
76 		struct {
77 			pid_t _pid;
78 			linux_clock_t _utime;
79 			int _status;
80 			linux_clock_t _stime;
81 		} _irix_sigchld;
82 
83 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
84 		struct {
85 			void *_addr;
86 		} _sigfault;
87 
88 		/* SIGPOLL, SIGXFSZ (To do ...)  */
89 		struct {
90 			int _band;
91 			int _fd;
92 		} _sigpoll;
93 
94 		/* POSIX.1b timers */
95 		struct {
96 			unsigned int _timer1;
97 			unsigned int _timer2;
98 		} _timer;
99 
100 		/* POSIX.1b signals */
101 		struct {
102 			linux_pid_t	_pid;
103 			linux_uid_t	_uid;
104 			linux_sigval_t	_sigval;
105 		} _rt;
106 
107 	} _sidata;	/* This is _sifields for Linux/mips */
108 } linux_siginfo_t;
109 
110 #define lsi_pid _sidata._kill._pid
111 #define lsi_uid _sidata._kill._uid
112 
113 /*
114  * si_code values
115  * Digital reserves positive values for kernel-generated signals.
116  */
117 #define LINUX__SI_CODE(T,N)  ((T) << 16 | ((N) & 0xffff))
118 
119 #define LINUX_SI_USER		0
120 #define LINUX_SI_KERNEL		0x80
121 #define LINUX_SI_QUEUE		-1
122 #define LINUX_SI_ASYNCIO	-2
123 #define LINUX_SI_TIMER		LINUX__SI_CODE(__SI_TIMER,-3)
124 #define LINUX_SI_MESGQ		-4
125 #define LINUX_SI_SIGIO  	-5
126 
127 #define LINUX_SI_FROMUSER(siptr)	((siptr)->si_code <= 0)
128 #define LINUX_SI_FROMKERENL(siptr)	((siptr)->si_code > 0)
129 
130 
131 #endif /* !_MIPS_LINUX_SIGINFO_H */
132