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1#ifndef _ASMAXP_SIGNAL_H
2#define _ASMAXP_SIGNAL_H
3
4#include <linux/types.h>
5
6/* Avoid too many header ordering problems. */
7struct siginfo;
8
9#ifdef __KERNEL__
10/* Digital Unix defines 64 signals. Most things should be clean enough
11 to redefine this at will, if care is taken to make libc match. */
12
13#define _NSIG 64
14#define _NSIG_BPW 64
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
32/*
33 * Linux/AXP has different signal numbers that Linux/i386: I'm trying
34 * to make it OSF/1 binary compatible, at least for normal binaries.
35 */
36#define SIGHUP 1
37#define SIGINT 2
38#define SIGQUIT 3
39#define SIGILL 4
40#define SIGTRAP 5
41#define SIGABRT 6
42#define SIGEMT 7
43#define SIGFPE 8
44#define SIGKILL 9
45#define SIGBUS 10
46#define SIGSEGV 11
47#define SIGSYS 12
48#define SIGPIPE 13
49#define SIGALRM 14
50#define SIGTERM 15
51#define SIGURG 16
52#define SIGSTOP 17
53#define SIGTSTP 18
54#define SIGCONT 19
55#define SIGCHLD 20
56#define SIGTTIN 21
57#define SIGTTOU 22
58#define SIGIO 23
59#define SIGXCPU 24
60#define SIGXFSZ 25
61#define SIGVTALRM 26
62#define SIGPROF 27
63#define SIGWINCH 28
64#define SIGINFO 29
65#define SIGUSR1 30
66#define SIGUSR2 31
67
68#define SIGPOLL SIGIO
69#define SIGPWR SIGINFO
70#define SIGIOT SIGABRT
71
72/* These should not be considered constants from userland. */
73#define SIGRTMIN 32
74#define SIGRTMAX _NSIG
75
76/*
77 * SA_FLAGS values:
78 *
79 * SA_ONSTACK indicates that a registered stack_t will be used.
80 * SA_RESTART flag to get restarting signals (which were the default long ago)
81 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
82 * SA_RESETHAND clears the handler when the signal is delivered.
83 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
84 * SA_NODEFER prevents the current signal from being masked in the handler.
85 *
86 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
87 * Unix names RESETHAND and NODEFER respectively.
88 */
89
90#define SA_ONSTACK 0x00000001
91#define SA_RESTART 0x00000002
92#define SA_NOCLDSTOP 0x00000004
93#define SA_NODEFER 0x00000008
94#define SA_RESETHAND 0x00000010
95#define SA_NOCLDWAIT 0x00000020
96#define SA_SIGINFO 0x00000040
97
98#define SA_ONESHOT SA_RESETHAND
99#define SA_NOMASK SA_NODEFER
100
101/*
102 * sigaltstack controls
103 */
104#define SS_ONSTACK 1
105#define SS_DISABLE 2
106
107#define MINSIGSTKSZ 4096
108#define SIGSTKSZ 16384
109
110#define SIG_BLOCK 1 /* for blocking signals */
111#define SIG_UNBLOCK 2 /* for unblocking signals */
112#define SIG_SETMASK 3 /* for setting the signal mask */
113
114#include <asm-generic/signal-defs.h>
115
116#ifdef __KERNEL__
117struct osf_sigaction {
118 __sighandler_t sa_handler;
119 old_sigset_t sa_mask;
120 int sa_flags;
121};
122
123struct sigaction {
124 __sighandler_t sa_handler;
125 unsigned long sa_flags;
126 sigset_t sa_mask; /* mask last for extensibility */
127};
128
129struct k_sigaction {
130 struct sigaction sa;
131 __sigrestore_t ka_restorer;
132};
133#else
134/* Here we must cater to libcs that poke about in kernel headers. */
135
136struct sigaction {
137 union {
138 __sighandler_t _sa_handler;
139 void (*_sa_sigaction)(int, struct siginfo *, void *);
140 } _u;
141 sigset_t sa_mask;
142 int sa_flags;
143};
144
145#define sa_handler _u._sa_handler
146#define sa_sigaction _u._sa_sigaction
147
148#endif /* __KERNEL__ */
149
150typedef struct sigaltstack {
151 void __user *ss_sp;
152 int ss_flags;
153 size_t ss_size;
154} stack_t;
155
156/* sigstack(2) is deprecated, and will be withdrawn in a future version
157 of the X/Open CAE Specification. Use sigaltstack instead. It is only
158 implemented here for OSF/1 compatibility. */
159
160struct sigstack {
161 void __user *ss_sp;
162 int ss_onstack;
163};
164
165#ifdef __KERNEL__
166#include <asm/sigcontext.h>
167
168#define ptrace_signal_deliver(regs, cookie) do { } while (0)
169
170#endif
171
172#endif
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASMAXP_SIGNAL_H
3#define _ASMAXP_SIGNAL_H
4
5#include <uapi/asm/signal.h>
6
7/* Digital Unix defines 64 signals. Most things should be clean enough
8 to redefine this at will, if care is taken to make libc match. */
9
10#define _NSIG 64
11#define _NSIG_BPW 64
12#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
13
14typedef unsigned long old_sigset_t; /* at least 32 bits */
15
16typedef struct {
17 unsigned long sig[_NSIG_WORDS];
18} sigset_t;
19
20struct osf_sigaction {
21 __sighandler_t sa_handler;
22 old_sigset_t sa_mask;
23 int sa_flags;
24};
25
26#define __ARCH_HAS_KA_RESTORER
27#include <asm/sigcontext.h>
28#endif