1#ifndef _ASM_CRIS_SIGNAL_H
2#define _ASM_CRIS_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/*
74 * SA_FLAGS values:
75 *
76 * SA_ONSTACK indicates that a registered stack_t will be used.
77 * SA_RESTART flag to get restarting signals (which were the default long ago)
78 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
79 * SA_RESETHAND clears the handler when the signal is delivered.
80 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
81 * SA_NODEFER prevents the current signal from being masked in the handler.
82 *
83 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
84 * Unix names RESETHAND and NODEFER respectively.
85 */
86
87#define SA_NOCLDSTOP	0x00000001u
88#define SA_NOCLDWAIT	0x00000002u
89#define SA_SIGINFO	0x00000004u
90#define SA_ONSTACK	0x08000000u
91#define SA_RESTART	0x10000000u
92#define SA_NODEFER	0x40000000u
93#define SA_RESETHAND	0x80000000u
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/* here we could define asm-optimized sigaddset, sigdelset etc. operations.
157 * if we don't, generic ones are used from linux/signal.h
158 */
159#define ptrace_signal_deliver(regs, cookie) do { } while (0)
160
161#endif /* __KERNEL__ */
162
163#endif
164