1#ifndef _ASMARM_SIGNAL_H
2#define _ASMARM_SIGNAL_H
3
4#include <linux/types.h>
5
6/* Avoid too many header ordering problems.  */
7struct siginfo;
8
9#ifdef __KERNEL__
10/* Most things should be clean enough to redefine this at will, if care
11   is taken to make libc match.  */
12
13#define _NSIG		64
14#define _NSIG_BPW	32
15#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
16
17typedef unsigned long old_sigset_t;		/* at least 32 bits */
18
19typedef struct {
20	unsigned long sig[_NSIG_WORDS];
21} sigset_t;
22
23#else
24/* Here we must cater to libcs that poke about in kernel headers.  */
25
26#define NSIG		32
27typedef unsigned long sigset_t;
28
29#endif /* __KERNEL__ */
30
31#define SIGHUP		 1
32#define SIGINT		 2
33#define SIGQUIT		 3
34#define SIGILL		 4
35#define SIGTRAP		 5
36#define SIGABRT		 6
37#define SIGIOT		 6
38#define SIGBUS		 7
39#define SIGFPE		 8
40#define SIGKILL		 9
41#define SIGUSR1		10
42#define SIGSEGV		11
43#define SIGUSR2		12
44#define SIGPIPE		13
45#define SIGALRM		14
46#define SIGTERM		15
47#define SIGSTKFLT	16
48#define SIGCHLD		17
49#define SIGCONT		18
50#define SIGSTOP		19
51#define SIGTSTP		20
52#define SIGTTIN		21
53#define SIGTTOU		22
54#define SIGURG		23
55#define SIGXCPU		24
56#define SIGXFSZ		25
57#define SIGVTALRM	26
58#define SIGPROF		27
59#define SIGWINCH	28
60#define SIGIO		29
61#define SIGPOLL		SIGIO
62/*
63#define SIGLOST		29
64*/
65#define SIGPWR		30
66#define SIGSYS		31
67#define	SIGUNUSED	31
68
69/* These should not be considered constants from userland.  */
70#define SIGRTMIN	32
71#define SIGRTMAX	_NSIG
72
73#define SIGSWI		32
74
75/*
76 * SA_FLAGS values:
77 *
78 * SA_NOCLDSTOP		flag to turn off SIGCHLD when children stop.
79 * SA_NOCLDWAIT		flag on SIGCHLD to inhibit zombies.
80 * SA_SIGINFO		deliver the signal with SIGINFO structs
81 * SA_THIRTYTWO		delivers the signal in 32-bit mode, even if the task
82 *			is running in 26-bit.
83 * SA_ONSTACK		allows alternate signal stacks (see sigaltstack(2)).
84 * SA_RESTART		flag to get restarting signals (which were the default long ago)
85 * SA_NODEFER		prevents the current signal from being masked in the handler.
86 * SA_RESETHAND		clears the handler when the signal is delivered.
87 *
88 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
89 * Unix names RESETHAND and NODEFER respectively.
90 */
91#define SA_NOCLDSTOP	0x00000001
92#define SA_NOCLDWAIT	0x00000002
93#define SA_SIGINFO	0x00000004
94#define SA_THIRTYTWO	0x02000000
95#define SA_RESTORER	0x04000000
96#define SA_ONSTACK	0x08000000
97#define SA_RESTART	0x10000000
98#define SA_NODEFER	0x40000000
99#define SA_RESETHAND	0x80000000
100
101#define SA_NOMASK	SA_NODEFER
102#define SA_ONESHOT	SA_RESETHAND
103
104
105/*
106 * sigaltstack controls
107 */
108#define SS_ONSTACK	1
109#define SS_DISABLE	2
110
111#define MINSIGSTKSZ	2048
112#define SIGSTKSZ	8192
113
114#include <asm-generic/signal.h>
115
116#ifdef __KERNEL__
117struct old_sigaction {
118	__sighandler_t sa_handler;
119	old_sigset_t sa_mask;
120	unsigned long sa_flags;
121	__sigrestore_t sa_restorer;
122};
123
124struct sigaction {
125	__sighandler_t sa_handler;
126	unsigned long sa_flags;
127	__sigrestore_t sa_restorer;
128	sigset_t sa_mask;		/* mask last for extensibility */
129};
130
131struct k_sigaction {
132	struct sigaction sa;
133};
134
135#else
136/* Here we must cater to libcs that poke about in kernel headers.  */
137
138struct sigaction {
139	union {
140	  __sighandler_t _sa_handler;
141	  void (*_sa_sigaction)(int, struct siginfo *, void *);
142	} _u;
143	sigset_t sa_mask;
144	unsigned long sa_flags;
145	void (*sa_restorer)(void);
146};
147
148#define sa_handler	_u._sa_handler
149#define sa_sigaction	_u._sa_sigaction
150
151#endif /* __KERNEL__ */
152
153typedef struct sigaltstack {
154	void __user *ss_sp;
155	int ss_flags;
156	size_t ss_size;
157} stack_t;
158
159#ifdef __KERNEL__
160#include <asm/sigcontext.h>
161#define ptrace_signal_deliver(regs, cookie) do { } while (0)
162#endif
163
164#endif
165