blob: e98817cec5f7833873ffc24f23515f227da5a594 [file] [log] [blame]
David Howellsb920de12008-02-08 04:19:31 -08001/* 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. */
17struct 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
27typedef unsigned long old_sigset_t; /* at least 32 bits */
28
29typedef 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
37typedef 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__
121struct 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
128struct 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
135struct k_sigaction {
136 struct sigaction sa;
137};
138#else
139/* Here we must cater to libcs that poke about in kernel headers. */
140
141struct 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
156typedef 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
166struct pt_regs;
167#define ptrace_signal_deliver(regs, cookie) do { } while (0)
168
169#endif /* __KERNEL__ */
170
171#endif /* _ASM_SIGNAL_H */