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