1 /* MN10300 Signal definitions
2 *
3 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11 #ifndef _ASM_SIGNAL_H
12 #define _ASM_SIGNAL_H
13
14 #include <linux/types.h>
15
16 /* Avoid too many header ordering problems. */
17 struct siginfo;
18
19 #ifdef __KERNEL__
20 /* Most things should be clean enough to redefine this at will, if care
21 is taken to make libc match. */
22
23 #define _NSIG 64
24 #define _NSIG_BPW 32
25 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
26
27 typedef unsigned long old_sigset_t; /* at least 32 bits */
28
29 typedef struct {
30 unsigned long sig[_NSIG_WORDS];
31 } sigset_t;
32
33 #else
34 /* Here we must cater to libcs that poke about in kernel headers. */
35
36 #define NSIG 32
37 typedef unsigned long sigset_t;
38
39 #endif /* __KERNEL__ */
40
41 #define SIGHUP 1
42 #define SIGINT 2
43 #define SIGQUIT 3
44 #define SIGILL 4
45 #define SIGTRAP 5
46 #define SIGABRT 6
47 #define SIGIOT 6
48 #define SIGBUS 7
49 #define SIGFPE 8
50 #define SIGKILL 9
51 #define SIGUSR1 10
52 #define SIGSEGV 11
53 #define SIGUSR2 12
54 #define SIGPIPE 13
55 #define SIGALRM 14
56 #define SIGTERM 15
57 #define SIGSTKFLT 16
58 #define SIGCHLD 17
59 #define SIGCONT 18
60 #define SIGSTOP 19
61 #define SIGTSTP 20
62 #define SIGTTIN 21
63 #define SIGTTOU 22
64 #define SIGURG 23
65 #define SIGXCPU 24
66 #define SIGXFSZ 25
67 #define SIGVTALRM 26
68 #define SIGPROF 27
69 #define SIGWINCH 28
70 #define SIGIO 29
71 #define SIGPOLL SIGIO
72 /*
73 #define SIGLOST 29
74 */
75 #define SIGPWR 30
76 #define SIGSYS 31
77 #define SIGUNUSED 31
78
79 /* These should not be considered constants from userland. */
80 #define SIGRTMIN 32
81 #define SIGRTMAX (_NSIG-1)
82
83 /*
84 * SA_FLAGS values:
85 *
86 * SA_ONSTACK indicates that a registered stack_t will be used.
87 * SA_RESTART flag to get restarting signals (which were the default long ago)
88 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
89 * SA_RESETHAND clears the handler when the signal is delivered.
90 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
91 * SA_NODEFER prevents the current signal from being masked in the handler.
92 *
93 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
94 * Unix names RESETHAND and NODEFER respectively.
95 */
96 #define SA_NOCLDSTOP 0x00000001U
97 #define SA_NOCLDWAIT 0x00000002U
98 #define SA_SIGINFO 0x00000004U
99 #define SA_ONSTACK 0x08000000U
100 #define SA_RESTART 0x10000000U
101 #define SA_NODEFER 0x40000000U
102 #define SA_RESETHAND 0x80000000U
103
104 #define SA_NOMASK SA_NODEFER
105 #define SA_ONESHOT SA_RESETHAND
106
107 #define SA_RESTORER 0x04000000
108
109 /*
110 * sigaltstack controls
111 */
112 #define SS_ONSTACK 1
113 #define SS_DISABLE 2
114
115 #define MINSIGSTKSZ 2048
116 #define SIGSTKSZ 8192
117
118 #include <asm-generic/signal-defs.h>
119
120 #ifdef __KERNEL__
121 struct old_sigaction {
122 __sighandler_t sa_handler;
123 old_sigset_t sa_mask;
124 unsigned long sa_flags;
125 __sigrestore_t sa_restorer;
126 };
127
128 struct sigaction {
129 __sighandler_t sa_handler;
130 unsigned long sa_flags;
131 __sigrestore_t sa_restorer;
132 sigset_t sa_mask; /* mask last for extensibility */
133 };
134 #define __ARCH_HAS_SA_RESTORER
135
136 struct k_sigaction {
137 struct sigaction sa;
138 };
139 #else
140 /* Here we must cater to libcs that poke about in kernel headers. */
141
142 struct sigaction {
143 union {
144 __sighandler_t _sa_handler;
145 void (*_sa_sigaction)(int, struct siginfo *, void *);
146 } _u;
147 sigset_t sa_mask;
148 unsigned long sa_flags;
149 void (*sa_restorer)(void);
150 };
151
152 #define sa_handler _u._sa_handler
153 #define sa_sigaction _u._sa_sigaction
154
155 #endif /* __KERNEL__ */
156
157 typedef struct sigaltstack {
158 void __user *ss_sp;
159 int ss_flags;
160 size_t ss_size;
161 } stack_t;
162
163 #ifdef __KERNEL__
164 #include <asm/sigcontext.h>
165
166
167 struct pt_regs;
168 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
169
170 #endif /* __KERNEL__ */
171
172 #endif /* _ASM_SIGNAL_H */
173
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.