1 /* 	$NetBSD: linux_signal.h,v 1.7 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 /*
33  * Whoever decided how linux would handle
34  * binary compatibility should be shot.
35  */
36 
37 #ifndef _M68K_LINUX_SIGNAL_H
38 #define _M68K_LINUX_SIGNAL_H
39 
40 #define LINUX_SIGHUP	 1
41 #define LINUX_SIGINT	 2
42 #define LINUX_SIGQUIT	 3
43 #define LINUX_SIGILL	 4
44 #define LINUX_SIGTRAP	 5
45 #define LINUX_SIGABRT	 6
46 #define LINUX_SIGBUS	 7
47 #define LINUX_SIGFPE	 8
48 #define LINUX_SIGKILL	 9
49 #define LINUX_SIGUSR1	10
50 #define LINUX_SIGSEGV	11
51 #define LINUX_SIGUSR2	12
52 #define LINUX_SIGPIPE	13
53 #define LINUX_SIGALRM	14
54 #define LINUX_SIGTERM	15
55 #define LINUX_SIGSTKFLT	16
56 #define LINUX_SIGCHLD	17
57 #define LINUX_SIGCONT	18
58 #define LINUX_SIGSTOP	19
59 #define LINUX_SIGTSTP	20
60 #define LINUX_SIGTTIN	21
61 #define LINUX_SIGTTOU	22
62 #define LINUX_SIGURG	23
63 #define LINUX_SIGXCPU	24
64 #define LINUX_SIGXFSZ	25
65 #define LINUX_SIGVTALRM	26
66 #define LINUX_SIGPROF	27
67 #define LINUX_SIGWINCH	28
68 #define LINUX_SIGIO	29
69 #define LINUX_SIGPWR	30
70 #define LINUX_SIGUNUSED	31
71 #define LINUX_SIGSYS	31
72 
73 #define LINUX_SIGIOT	LINUX_SIGABRT
74 #define LINUX_SIGPOLL	LINUX_SIGIO
75 
76 /* Min/max real-time linux signal */
77 #define LINUX_SIGRTMIN		32
78 #define LINUX_SIGRTMAX		(LINUX__NSIG-1)
79 
80 #define LINUX__NSIG		64
81 #define LINUX__NSIG_BPW		32
82 #define LINUX__NSIG_WORDS	(LINUX__NSIG / LINUX__NSIG_BPW)
83 #define LINUX_NSIG		32
84 
85 /* sa_flags */
86 #define LINUX_SA_NOCLDSTOP	0x00000001
87 #define LINUX_SA_NOCLDWAIT	0x00000002
88 #define LINUX_SA_SIGINFO	0x00000004
89 #define LINUX_SA_ONSTACK	0x08000000
90 #define LINUX_SA_RESTART	0x10000000
91 #define LINUX_SA_NODEFER	0x40000000
92 #define LINUX_SA_RESETHAND	0x80000000
93 
94 #define LINUX_SA_NOMASK		LINUX_SA_NODEFER
95 #define LINUX_SA_ONESHOT	LINUX_SA_RESETHAND
96 #define LINUX_SA_INTERRUPT	0x20000000	/* Ignore this */
97 
98 #define LINUX_SA_ALLBITS	0xf8000007
99 
100 #define LINUX_SIG_BLOCK		0
101 #define LINUX_SIG_UNBLOCK	1
102 #define LINUX_SIG_SETMASK	2
103 
104 #define	LINUX_MINSIGSTKSZ	2048
105 
106 typedef void	(*linux_handler_t)(int);
107 
108 typedef u_long	linux_old_sigset_t;
109 typedef struct {
110 	u_long sig[LINUX__NSIG_WORDS];
111 } linux_sigset_t;
112 
113 struct linux_old_sigaction {
114 	linux_handler_t		linux_sa_handler;
115 	linux_old_sigset_t	linux_sa_mask;
116 	u_long			linux_sa_flags;
117 	void			(*linux_sa_restorer)(void);
118 };
119 
120 /* Used in rt_* calls */
121 struct linux_sigaction {
122 	linux_handler_t		linux_sa_handler;
123 	u_long			linux_sa_flags;
124 	void			(*linux_sa_restorer)(void);
125 	linux_sigset_t		linux_sa_mask;
126 };
127 
128 struct linux_k_sigaction {
129 	struct linux_sigaction	sa;
130 #define k_sa_restorer	sa.linux_sa_restorer
131 };
132 
133 typedef struct linux_sigaltstack {
134 	void			*ss_sp;
135 	int			ss_flags;
136 	size_t			ss_size;
137 } linux_stack_t;
138 
139 /* ss_flags */
140 #define LINUX_SS_ONSTACK	1
141 #define LINUX_SS_DISABLE	2
142 
143 #endif /* !_M68K_LINUX_SIGNAL_H */
144