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