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