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Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -07001/*
2 * Copyright (C) 2004-2006 Atmel Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#ifndef __ASM_AVR32_SIGNAL_H
9#define __ASM_AVR32_SIGNAL_H
10
11#include <linux/types.h>
12
13/* Avoid too many header ordering problems. */
14struct siginfo;
15
16#ifdef __KERNEL__
17/* Most things should be clean enough to redefine this at will, if care
18 is taken to make libc match. */
19
20#define _NSIG 64
21#define _NSIG_BPW 32
22#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
23
24typedef unsigned long old_sigset_t; /* at least 32 bits */
25
26typedef struct {
27 unsigned long sig[_NSIG_WORDS];
28} sigset_t;
29
30#else
31/* Here we must cater to libcs that poke about in kernel headers. */
32
33#define NSIG 32
34typedef unsigned long sigset_t;
35
36#endif /* __KERNEL__ */
37
38#define SIGHUP 1
39#define SIGINT 2
40#define SIGQUIT 3
41#define SIGILL 4
42#define SIGTRAP 5
43#define SIGABRT 6
44#define SIGIOT 6
45#define SIGBUS 7
46#define SIGFPE 8
47#define SIGKILL 9
48#define SIGUSR1 10
49#define SIGSEGV 11
50#define SIGUSR2 12
51#define SIGPIPE 13
52#define SIGALRM 14
53#define SIGTERM 15
54#define SIGSTKFLT 16
55#define SIGCHLD 17
56#define SIGCONT 18
57#define SIGSTOP 19
58#define SIGTSTP 20
59#define SIGTTIN 21
60#define SIGTTOU 22
61#define SIGURG 23
62#define SIGXCPU 24
63#define SIGXFSZ 25
64#define SIGVTALRM 26
65#define SIGPROF 27
66#define SIGWINCH 28
67#define SIGIO 29
68#define SIGPOLL SIGIO
69/*
70#define SIGLOST 29
71*/
72#define SIGPWR 30
73#define SIGSYS 31
74#define SIGUNUSED 31
75
76/* These should not be considered constants from userland. */
77#define SIGRTMIN 32
78#define SIGRTMAX (_NSIG-1)
79
80/*
81 * SA_FLAGS values:
82 *
83 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
84 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
85 * SA_SIGINFO deliver the signal with SIGINFO structs
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_NODEFER prevents the current signal from being masked in the handler.
89 * SA_RESETHAND clears the handler when the signal is delivered.
90 *
91 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
92 * Unix names RESETHAND and NODEFER respectively.
93 */
94#define SA_NOCLDSTOP 0x00000001
95#define SA_NOCLDWAIT 0x00000002
96#define SA_SIGINFO 0x00000004
97#define SA_RESTORER 0x04000000
98#define SA_ONSTACK 0x08000000
99#define SA_RESTART 0x10000000
100#define SA_NODEFER 0x40000000
101#define SA_RESETHAND 0x80000000
102
103#define SA_NOMASK SA_NODEFER
104#define SA_ONESHOT SA_RESETHAND
105
106/*
107 * sigaltstack controls
108 */
109#define SS_ONSTACK 1
110#define SS_DISABLE 2
111
112#define MINSIGSTKSZ 2048
113#define SIGSTKSZ 8192
114
Arnd Bergmann63b852a2009-05-13 22:56:24 +0000115#include <asm-generic/signal-defs.h>
Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -0700116
117#ifdef __KERNEL__
118struct old_sigaction {
119 __sighandler_t sa_handler;
120 old_sigset_t sa_mask;
121 unsigned long sa_flags;
122 __sigrestore_t sa_restorer;
123};
124
125struct sigaction {
126 __sighandler_t sa_handler;
127 unsigned long sa_flags;
128 __sigrestore_t sa_restorer;
129 sigset_t sa_mask; /* mask last for extensibility */
130};
131
132struct k_sigaction {
133 struct sigaction sa;
134};
135#else
136/* Here we must cater to libcs that poke about in kernel headers. */
137
138struct sigaction {
139 union {
140 __sighandler_t _sa_handler;
141 void (*_sa_sigaction)(int, struct siginfo *, void *);
142 } _u;
143 sigset_t sa_mask;
144 unsigned long sa_flags;
145 void (*sa_restorer)(void);
146};
147
148#define sa_handler _u._sa_handler
149#define sa_sigaction _u._sa_sigaction
150
151#endif /* __KERNEL__ */
152
153typedef struct sigaltstack {
154 void __user *ss_sp;
155 int ss_flags;
156 size_t ss_size;
157} stack_t;
158
159#ifdef __KERNEL__
160
161#include <asm/sigcontext.h>
162#undef __HAVE_ARCH_SIG_BITOPS
163
164#define ptrace_signal_deliver(regs, cookie) do { } while (0)
165
166#endif /* __KERNEL__ */
167
168#endif