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Linux kernel mirror (for testing)
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1#ifndef __ASM_SH64_SIGNAL_H
2#define __ASM_SH64_SIGNAL_H
3
4/*
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
8 *
9 * include/asm-sh64/signal.h
10 *
11 * Copyright (C) 2000, 2001 Paolo Alberelli
12 *
13 */
14
15#include <linux/types.h>
16
17/* Avoid too many header ordering problems. */
18struct siginfo;
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#define SIGHUP 1
31#define SIGINT 2
32#define SIGQUIT 3
33#define SIGILL 4
34#define SIGTRAP 5
35#define SIGABRT 6
36#define SIGIOT 6
37#define SIGBUS 7
38#define SIGFPE 8
39#define SIGKILL 9
40#define SIGUSR1 10
41#define SIGSEGV 11
42#define SIGUSR2 12
43#define SIGPIPE 13
44#define SIGALRM 14
45#define SIGTERM 15
46#define SIGSTKFLT 16
47#define SIGCHLD 17
48#define SIGCONT 18
49#define SIGSTOP 19
50#define SIGTSTP 20
51#define SIGTTIN 21
52#define SIGTTOU 22
53#define SIGURG 23
54#define SIGXCPU 24
55#define SIGXFSZ 25
56#define SIGVTALRM 26
57#define SIGPROF 27
58#define SIGWINCH 28
59#define SIGIO 29
60#define SIGPOLL SIGIO
61/*
62#define SIGLOST 29
63*/
64#define SIGPWR 30
65#define SIGSYS 31
66#define SIGUNUSED 31
67
68/* These should not be considered constants from userland. */
69#define SIGRTMIN 32
70#define SIGRTMAX (_NSIG-1)
71
72/*
73 * SA_FLAGS values:
74 *
75 * SA_ONSTACK indicates that a registered stack_t will be used.
76 * SA_RESTART flag to get restarting signals (which were the default long ago)
77 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
78 * SA_RESETHAND clears the handler when the signal is delivered.
79 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
80 * SA_NODEFER prevents the current signal from being masked in the handler.
81 *
82 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
83 * Unix names RESETHAND and NODEFER respectively.
84 */
85#define SA_NOCLDSTOP 0x00000001
86#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
87#define SA_SIGINFO 0x00000004
88#define SA_ONSTACK 0x08000000
89#define SA_RESTART 0x10000000
90#define SA_NODEFER 0x40000000
91#define SA_RESETHAND 0x80000000
92
93#define SA_NOMASK SA_NODEFER
94#define SA_ONESHOT SA_RESETHAND
95
96#define SA_RESTORER 0x04000000
97
98/*
99 * sigaltstack controls
100 */
101#define SS_ONSTACK 1
102#define SS_DISABLE 2
103
104#define MINSIGSTKSZ 2048
105#define SIGSTKSZ THREAD_SIZE
106
107#include <asm-generic/signal.h>
108
109#ifdef __KERNEL__
110struct old_sigaction {
111 __sighandler_t sa_handler;
112 old_sigset_t sa_mask;
113 unsigned long sa_flags;
114 void (*sa_restorer)(void);
115};
116
117struct sigaction {
118 __sighandler_t sa_handler;
119 unsigned long sa_flags;
120 void (*sa_restorer)(void);
121 sigset_t sa_mask; /* mask last for extensibility */
122};
123
124struct k_sigaction {
125 struct sigaction sa;
126};
127#else
128/* Here we must cater to libcs that poke about in kernel headers. */
129
130struct sigaction {
131 union {
132 __sighandler_t _sa_handler;
133 void (*_sa_sigaction)(int, struct siginfo *, void *);
134 } _u;
135 sigset_t sa_mask;
136 unsigned long sa_flags;
137 void (*sa_restorer)(void);
138};
139
140#define sa_handler _u._sa_handler
141#define sa_sigaction _u._sa_sigaction
142
143#endif /* __KERNEL__ */
144
145typedef struct sigaltstack {
146 void *ss_sp;
147 int ss_flags;
148 size_t ss_size;
149} stack_t;
150
151#ifdef __KERNEL__
152#include <asm/sigcontext.h>
153
154#define sigmask(sig) (1UL << ((sig) - 1))
155#define ptrace_signal_deliver(regs, cookie) do { } while (0)
156
157#endif /* __KERNEL__ */
158
159#endif /* __ASM_SH64_SIGNAL_H */