1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_ASM_X86_SIGNAL_H
3#define _UAPI_ASM_X86_SIGNAL_H
4
5#ifndef __ASSEMBLY__
6#include <linux/types.h>
7#include <linux/time.h>
8#include <linux/compiler.h>
9
10/* Avoid too many header ordering problems. */
11struct siginfo;
12
13#ifndef __KERNEL__
14/* Here we must cater to libcs that poke about in kernel headers. */
15
16#define NSIG 32
17typedef unsigned long sigset_t;
18
19#endif /* __KERNEL__ */
20#endif /* __ASSEMBLY__ */
21
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 SIGIOT 6
30#define SIGBUS 7
31#define SIGFPE 8
32#define SIGKILL 9
33#define SIGUSR1 10
34#define SIGSEGV 11
35#define SIGUSR2 12
36#define SIGPIPE 13
37#define SIGALRM 14
38#define SIGTERM 15
39#define SIGSTKFLT 16
40#define SIGCHLD 17
41#define SIGCONT 18
42#define SIGSTOP 19
43#define SIGTSTP 20
44#define SIGTTIN 21
45#define SIGTTOU 22
46#define SIGURG 23
47#define SIGXCPU 24
48#define SIGXFSZ 25
49#define SIGVTALRM 26
50#define SIGPROF 27
51#define SIGWINCH 28
52#define SIGIO 29
53#define SIGPOLL SIGIO
54/*
55#define SIGLOST 29
56*/
57#define SIGPWR 30
58#define SIGSYS 31
59#define SIGUNUSED 31
60
61/* These should not be considered constants from userland. */
62#define SIGRTMIN 32
63#define SIGRTMAX _NSIG
64
65#define SA_RESTORER 0x04000000
66
67#define MINSIGSTKSZ 2048
68#define SIGSTKSZ 8192
69
70#include <asm-generic/signal-defs.h>
71
72#ifndef __ASSEMBLY__
73
74
75# ifndef __KERNEL__
76/* Here we must cater to libcs that poke about in kernel headers. */
77#ifdef __i386__
78
79struct sigaction {
80 union {
81 __sighandler_t _sa_handler;
82 void (*_sa_sigaction)(int, struct siginfo *, void *);
83 } _u;
84 sigset_t sa_mask;
85 unsigned long sa_flags;
86 void (*sa_restorer)(void);
87};
88
89#define sa_handler _u._sa_handler
90#define sa_sigaction _u._sa_sigaction
91
92#else /* __i386__ */
93
94struct sigaction {
95 __sighandler_t sa_handler;
96 unsigned long sa_flags;
97 __sigrestore_t sa_restorer;
98 sigset_t sa_mask; /* mask last for extensibility */
99};
100
101#endif /* !__i386__ */
102# endif /* ! __KERNEL__ */
103
104typedef struct sigaltstack {
105 void __user *ss_sp;
106 int ss_flags;
107 __kernel_size_t ss_size;
108} stack_t;
109
110#endif /* __ASSEMBLY__ */
111
112#endif /* _UAPI_ASM_X86_SIGNAL_H */
113

source code of linux/arch/x86/include/uapi/asm/signal.h