1#ifndef _ASM_X86_SIGNAL_H
2#define _ASM_X86_SIGNAL_H
3
4#ifndef __ASSEMBLY__
5#include <linux/types.h>
6#include <linux/time.h>
7
8
9/* Avoid too many header ordering problems.  */
10struct siginfo;
11
12/* Here we must cater to libcs that poke about in kernel headers.  */
13
14#define NSIG		32
15typedef unsigned long sigset_t;
16
17#endif /* __ASSEMBLY__ */
18
19#define SIGHUP		 1
20#define SIGINT		 2
21#define SIGQUIT		 3
22#define SIGILL		 4
23#define SIGTRAP		 5
24#define SIGABRT		 6
25#define SIGIOT		 6
26#define SIGBUS		 7
27#define SIGFPE		 8
28#define SIGKILL		 9
29#define SIGUSR1		10
30#define SIGSEGV		11
31#define SIGUSR2		12
32#define SIGPIPE		13
33#define SIGALRM		14
34#define SIGTERM		15
35#define SIGSTKFLT	16
36#define SIGCHLD		17
37#define SIGCONT		18
38#define SIGSTOP		19
39#define SIGTSTP		20
40#define SIGTTIN		21
41#define SIGTTOU		22
42#define SIGURG		23
43#define SIGXCPU		24
44#define SIGXFSZ		25
45#define SIGVTALRM	26
46#define SIGPROF		27
47#define SIGWINCH	28
48#define SIGIO		29
49#define SIGPOLL		SIGIO
50/*
51#define SIGLOST		29
52*/
53#define SIGPWR		30
54#define SIGSYS		31
55#define	SIGUNUSED	31
56
57/* These should not be considered constants from userland.  */
58#define SIGRTMIN	32
59#define SIGRTMAX	_NSIG
60
61/*
62 * SA_FLAGS values:
63 *
64 * SA_ONSTACK indicates that a registered stack_t will be used.
65 * SA_RESTART flag to get restarting signals (which were the default long ago)
66 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
67 * SA_RESETHAND clears the handler when the signal is delivered.
68 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
69 * SA_NODEFER prevents the current signal from being masked in the handler.
70 *
71 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
72 * Unix names RESETHAND and NODEFER respectively.
73 */
74#define SA_NOCLDSTOP	0x00000001u
75#define SA_NOCLDWAIT	0x00000002u
76#define SA_SIGINFO	0x00000004u
77#define SA_ONSTACK	0x08000000u
78#define SA_RESTART	0x10000000u
79#define SA_NODEFER	0x40000000u
80#define SA_RESETHAND	0x80000000u
81
82#define SA_NOMASK	SA_NODEFER
83#define SA_ONESHOT	SA_RESETHAND
84
85#define SA_RESTORER	0x04000000
86
87/*
88 * sigaltstack controls
89 */
90#define SS_ONSTACK	1
91#define SS_DISABLE	2
92
93#define MINSIGSTKSZ	2048
94#define SIGSTKSZ	8192
95
96#include <asm-generic/signal-defs.h>
97
98#ifndef __ASSEMBLY__
99
100
101#ifdef __i386__
102/* Here we must cater to libcs that poke about in kernel headers.  */
103
104struct sigaction {
105	union {
106	  __sighandler_t _sa_handler;
107	  void (*_sa_sigaction)(int, struct siginfo *, void *);
108	} _u;
109	sigset_t sa_mask;
110	unsigned long sa_flags;
111	void (*sa_restorer)(void);
112};
113
114#define sa_handler	_u._sa_handler
115#define sa_sigaction	_u._sa_sigaction
116
117#else /* __i386__ */
118
119struct sigaction {
120	__sighandler_t sa_handler;
121	unsigned long sa_flags;
122	__sigrestore_t sa_restorer;
123	sigset_t sa_mask;		/* mask last for extensibility */
124};
125
126struct k_sigaction {
127	struct sigaction sa;
128};
129
130#endif /* !__i386__ */
131
132typedef struct sigaltstack {
133	void *ss_sp;
134	int ss_flags;
135	size_t ss_size;
136} stack_t;
137
138#endif /* __ASSEMBLY__ */
139
140#endif /* _ASM_X86_SIGNAL_H */
141