blob: 8264f47cf53ed7de5b445350179b94935361463b [file] [log] [blame]
David Howellsaf170c52012-12-14 22:37:13 +00001#ifndef _UAPI_ASM_X86_SIGNAL_H
2#define _UAPI_ASM_X86_SIGNAL_H
3
4#ifndef __ASSEMBLY__
5#include <linux/types.h>
6#include <linux/time.h>
7#include <linux/compiler.h>
8
9/* Avoid too many header ordering problems. */
10struct siginfo;
11
12#ifndef __KERNEL__
13/* Here we must cater to libcs that poke about in kernel headers. */
14
15#define NSIG 32
16typedef unsigned long sigset_t;
17
18#endif /* __KERNEL__ */
19#endif /* __ASSEMBLY__ */
20
21
22#define SIGHUP 1
23#define SIGINT 2
24#define SIGQUIT 3
25#define SIGILL 4
26#define SIGTRAP 5
27#define SIGABRT 6
28#define SIGIOT 6
29#define SIGBUS 7
30#define SIGFPE 8
31#define SIGKILL 9
32#define SIGUSR1 10
33#define SIGSEGV 11
34#define SIGUSR2 12
35#define SIGPIPE 13
36#define SIGALRM 14
37#define SIGTERM 15
38#define SIGSTKFLT 16
39#define SIGCHLD 17
40#define SIGCONT 18
41#define SIGSTOP 19
42#define SIGTSTP 20
43#define SIGTTIN 21
44#define SIGTTOU 22
45#define SIGURG 23
46#define SIGXCPU 24
47#define SIGXFSZ 25
48#define SIGVTALRM 26
49#define SIGPROF 27
50#define SIGWINCH 28
51#define SIGIO 29
52#define SIGPOLL SIGIO
53/*
54#define SIGLOST 29
55*/
56#define SIGPWR 30
57#define SIGSYS 31
58#define SIGUNUSED 31
59
60/* These should not be considered constants from userland. */
61#define SIGRTMIN 32
62#define SIGRTMAX _NSIG
63
64/*
65 * SA_FLAGS values:
66 *
67 * SA_ONSTACK indicates that a registered stack_t will be used.
68 * SA_RESTART flag to get restarting signals (which were the default long ago)
69 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
70 * SA_RESETHAND clears the handler when the signal is delivered.
71 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
72 * SA_NODEFER prevents the current signal from being masked in the handler.
73 *
74 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
75 * Unix names RESETHAND and NODEFER respectively.
76 */
77#define SA_NOCLDSTOP 0x00000001u
78#define SA_NOCLDWAIT 0x00000002u
79#define SA_SIGINFO 0x00000004u
80#define SA_ONSTACK 0x08000000u
81#define SA_RESTART 0x10000000u
82#define SA_NODEFER 0x40000000u
83#define SA_RESETHAND 0x80000000u
84
85#define SA_NOMASK SA_NODEFER
86#define SA_ONESHOT SA_RESETHAND
87
88#define SA_RESTORER 0x04000000
89
David Howellsaf170c52012-12-14 22:37:13 +000090#define MINSIGSTKSZ 2048
91#define SIGSTKSZ 8192
92
93#include <asm-generic/signal-defs.h>
94
95#ifndef __ASSEMBLY__
96
97
David Howellsaf170c52012-12-14 22:37:13 +000098# ifndef __KERNEL__
99/* Here we must cater to libcs that poke about in kernel headers. */
Al Viro574c4862012-11-25 22:24:19 -0500100#ifdef __i386__
David Howellsaf170c52012-12-14 22:37:13 +0000101
102struct sigaction {
103 union {
104 __sighandler_t _sa_handler;
105 void (*_sa_sigaction)(int, struct siginfo *, void *);
106 } _u;
107 sigset_t sa_mask;
108 unsigned long sa_flags;
109 void (*sa_restorer)(void);
110};
111
112#define sa_handler _u._sa_handler
113#define sa_sigaction _u._sa_sigaction
114
David Howellsaf170c52012-12-14 22:37:13 +0000115#else /* __i386__ */
116
117struct sigaction {
118 __sighandler_t sa_handler;
119 unsigned long sa_flags;
120 __sigrestore_t sa_restorer;
121 sigset_t sa_mask; /* mask last for extensibility */
122};
123
David Howellsaf170c52012-12-14 22:37:13 +0000124#endif /* !__i386__ */
Al Viro574c4862012-11-25 22:24:19 -0500125# endif /* ! __KERNEL__ */
David Howellsaf170c52012-12-14 22:37:13 +0000126
127typedef struct sigaltstack {
128 void __user *ss_sp;
129 int ss_flags;
130 size_t ss_size;
131} stack_t;
132
133#endif /* __ASSEMBLY__ */
134
135#endif /* _UAPI_ASM_X86_SIGNAL_H */