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b920de1b DH |
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.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 | ||
135 | struct k_sigaction { | |
136 | struct sigaction sa; | |
137 | }; | |
138 | #else | |
139 | /* Here we must cater to libcs that poke about in kernel headers. */ | |
140 | ||
141 | struct sigaction { | |
142 | union { | |
143 | __sighandler_t _sa_handler; | |
144 | void (*_sa_sigaction)(int, struct siginfo *, void *); | |
145 | } _u; | |
146 | sigset_t sa_mask; | |
147 | unsigned long sa_flags; | |
148 | void (*sa_restorer)(void); | |
149 | }; | |
150 | ||
151 | #define sa_handler _u._sa_handler | |
152 | #define sa_sigaction _u._sa_sigaction | |
153 | ||
154 | #endif /* __KERNEL__ */ | |
155 | ||
156 | typedef struct sigaltstack { | |
157 | void __user *ss_sp; | |
158 | int ss_flags; | |
159 | size_t ss_size; | |
160 | } stack_t; | |
161 | ||
162 | #ifdef __KERNEL__ | |
163 | #include <asm/sigcontext.h> | |
164 | ||
165 | ||
166 | struct pt_regs; | |
167 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | |
168 | ||
169 | #endif /* __KERNEL__ */ | |
170 | ||
171 | #endif /* _ASM_SIGNAL_H */ |