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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_ASMAXP_SIGNAL_H
3#define _UAPI_ASMAXP_SIGNAL_H
4
5#include <linux/types.h>
6
7/* Avoid too many header ordering problems. */
8struct siginfo;
9
10#ifndef __KERNEL__
11/* Here we must cater to libcs that poke about in kernel headers. */
12
13#define NSIG 32
14typedef unsigned long sigset_t;
15
16#endif /* __KERNEL__ */
17
18
19/*
20 * Linux/AXP has different signal numbers that Linux/i386: I'm trying
21 * to make it OSF/1 binary compatible, at least for normal binaries.
22 */
23#define SIGHUP 1
24#define SIGINT 2
25#define SIGQUIT 3
26#define SIGILL 4
27#define SIGTRAP 5
28#define SIGABRT 6
29#define SIGEMT 7
30#define SIGFPE 8
31#define SIGKILL 9
32#define SIGBUS 10
33#define SIGSEGV 11
34#define SIGSYS 12
35#define SIGPIPE 13
36#define SIGALRM 14
37#define SIGTERM 15
38#define SIGURG 16
39#define SIGSTOP 17
40#define SIGTSTP 18
41#define SIGCONT 19
42#define SIGCHLD 20
43#define SIGTTIN 21
44#define SIGTTOU 22
45#define SIGIO 23
46#define SIGXCPU 24
47#define SIGXFSZ 25
48#define SIGVTALRM 26
49#define SIGPROF 27
50#define SIGWINCH 28
51#define SIGINFO 29
52#define SIGUSR1 30
53#define SIGUSR2 31
54
55#define SIGPOLL SIGIO
56#define SIGPWR SIGINFO
57#define SIGIOT SIGABRT
58
59/* These should not be considered constants from userland. */
60#define SIGRTMIN 32
61#define SIGRTMAX _NSIG
62
63#define SA_ONSTACK 0x00000001
64#define SA_RESTART 0x00000002
65#define SA_NOCLDSTOP 0x00000004
66#define SA_NODEFER 0x00000008
67#define SA_RESETHAND 0x00000010
68#define SA_NOCLDWAIT 0x00000020
69#define SA_SIGINFO 0x00000040
70
71#define SA_ONESHOT SA_RESETHAND
72#define SA_NOMASK SA_NODEFER
73
74#define MINSIGSTKSZ 4096
75#define SIGSTKSZ 16384
76
77#define SIG_BLOCK 1 /* for blocking signals */
78#define SIG_UNBLOCK 2 /* for unblocking signals */
79#define SIG_SETMASK 3 /* for setting the signal mask */
80
81#include <asm-generic/signal-defs.h>
82
83#ifndef __KERNEL__
84/* Here we must cater to libcs that poke about in kernel headers. */
85
86struct sigaction {
87 union {
88 __sighandler_t _sa_handler;
89 void (*_sa_sigaction)(int, struct siginfo *, void *);
90 } _u;
91 sigset_t sa_mask;
92 int sa_flags;
93};
94
95#define sa_handler _u._sa_handler
96#define sa_sigaction _u._sa_sigaction
97
98#endif /* __KERNEL__ */
99
100typedef struct sigaltstack {
101 void __user *ss_sp;
102 int ss_flags;
103 __kernel_size_t ss_size;
104} stack_t;
105
106/* sigstack(2) is deprecated, and will be withdrawn in a future version
107 of the X/Open CAE Specification. Use sigaltstack instead. It is only
108 implemented here for OSF/1 compatibility. */
109
110struct sigstack {
111 void __user *ss_sp;
112 int ss_onstack;
113};
114
115
116#endif /* _UAPI_ASMAXP_SIGNAL_H */