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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _M68KNOMMU_SIGNAL_H
2#define _M68KNOMMU_SIGNAL_H
3
4#include <linux/types.h>
5
6/* Avoid too many header ordering problems. */
7struct siginfo;
8
9#ifdef __KERNEL__
10/* Most things should be clean enough to redefine this at will, if care
11 is taken to make libc match. */
12
13#define _NSIG 64
14#define _NSIG_BPW 32
15#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
16
17typedef unsigned long old_sigset_t; /* at least 32 bits */
18
19typedef struct {
20 unsigned long sig[_NSIG_WORDS];
21} sigset_t;
22
23#else
24/* Here we must cater to libcs that poke about in kernel headers. */
25
26#define NSIG 32
27typedef unsigned long sigset_t;
28
29#endif /* __KERNEL__ */
30
31#define SIGHUP 1
32#define SIGINT 2
33#define SIGQUIT 3
34#define SIGILL 4
35#define SIGTRAP 5
36#define SIGABRT 6
37#define SIGIOT 6
38#define SIGBUS 7
39#define SIGFPE 8
40#define SIGKILL 9
41#define SIGUSR1 10
42#define SIGSEGV 11
43#define SIGUSR2 12
44#define SIGPIPE 13
45#define SIGALRM 14
46#define SIGTERM 15
47#define SIGSTKFLT 16
48#define SIGCHLD 17
49#define SIGCONT 18
50#define SIGSTOP 19
51#define SIGTSTP 20
52#define SIGTTIN 21
53#define SIGTTOU 22
54#define SIGURG 23
55#define SIGXCPU 24
56#define SIGXFSZ 25
57#define SIGVTALRM 26
58#define SIGPROF 27
59#define SIGWINCH 28
60#define SIGIO 29
61#define SIGPOLL SIGIO
62/*
63#define SIGLOST 29
64*/
65#define SIGPWR 30
66#define SIGSYS 31
67#define SIGUNUSED 31
68
69/* These should not be considered constants from userland. */
70#define SIGRTMIN 32
71#define SIGRTMAX _NSIG
72
73/*
74 * SA_FLAGS values:
75 *
76 * SA_ONSTACK indicates that a registered stack_t will be used.
77 * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
78 * SA_RESTART flag to get restarting signals (which were the default long ago)
79 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
80 * SA_RESETHAND clears the handler when the signal is delivered.
81 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
82 * SA_NODEFER prevents the current signal from being masked in the handler.
83 *
84 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
85 * Unix names RESETHAND and NODEFER respectively.
86 */
87#define SA_NOCLDSTOP 0x00000001
88#define SA_NOCLDWAIT 0x00000002
89#define SA_SIGINFO 0x00000004
90#define SA_ONSTACK 0x08000000
91#define SA_RESTART 0x10000000
92#define SA_NODEFER 0x40000000
93#define SA_RESETHAND 0x80000000
94
95#define SA_NOMASK SA_NODEFER
96#define SA_ONESHOT SA_RESETHAND
97#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
98
99/*
100 * sigaltstack controls
101 */
102#define SS_ONSTACK 1
103#define SS_DISABLE 2
104
105#define MINSIGSTKSZ 2048
106#define SIGSTKSZ 8192
107
Al Virob1ecb4c2005-05-04 05:40:12 +0100108#include <asm-generic/signal.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109
110#ifdef __KERNEL__
111struct old_sigaction {
112 __sighandler_t sa_handler;
113 old_sigset_t sa_mask;
114 unsigned long sa_flags;
115 void (*sa_restorer)(void);
116};
117
118struct sigaction {
119 __sighandler_t sa_handler;
120 unsigned long sa_flags;
121 void (*sa_restorer)(void);
122 sigset_t sa_mask; /* mask last for extensibility */
123};
124
125struct k_sigaction {
126 struct sigaction sa;
127};
128#else
129/* Here we must cater to libcs that poke about in kernel headers. */
130
131struct sigaction {
132 union {
133 __sighandler_t _sa_handler;
134 void (*_sa_sigaction)(int, struct siginfo *, void *);
135 } _u;
136 sigset_t sa_mask;
137 unsigned long sa_flags;
138 void (*sa_restorer)(void);
139};
140
141#define sa_handler _u._sa_handler
142#define sa_sigaction _u._sa_sigaction
143
144#endif /* __KERNEL__ */
145
146typedef struct sigaltstack {
147 void *ss_sp;
148 int ss_flags;
149 size_t ss_size;
150} stack_t;
151
152#ifdef __KERNEL__
153
154#include <asm/sigcontext.h>
155#undef __HAVE_ARCH_SIG_BITOPS
156
157#define ptrace_signal_deliver(regs, cookie) do { } while (0)
158
159#endif /* __KERNEL__ */
160
161#endif /* _M68KNOMMU_SIGNAL_H */