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-rw-r--r--arch/cris/include/asm/signal.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
new file mode 100644
index 000000000000..349ae682b568
--- /dev/null
+++ b/arch/cris/include/asm/signal.h
@@ -0,0 +1,163 @@
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