diff options
Diffstat (limited to 'include/asm-arm/signal.h')
-rw-r--r-- | include/asm-arm/signal.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/include/asm-arm/signal.h b/include/asm-arm/signal.h new file mode 100644 index 000000000000..b033e5fd60fa --- /dev/null +++ b/include/asm-arm/signal.h | |||
@@ -0,0 +1,194 @@ | |||
1 | #ifndef _ASMARM_SIGNAL_H | ||
2 | #define _ASMARM_SIGNAL_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | /* Avoid too many header ordering problems. */ | ||
7 | struct 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 | |||
17 | typedef unsigned long old_sigset_t; /* at least 32 bits */ | ||
18 | |||
19 | typedef 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 | ||
27 | typedef 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_INTERRUPT is a no-op, but left due to historical reasons. Use the | ||
86 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
87 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
88 | * | ||
89 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
90 | * Unix names RESETHAND and NODEFER respectively. | ||
91 | */ | ||
92 | #define SA_NOCLDSTOP 0x00000001 | ||
93 | #define SA_NOCLDWAIT 0x00000002 | ||
94 | #define SA_SIGINFO 0x00000004 | ||
95 | #define SA_THIRTYTWO 0x02000000 | ||
96 | #define SA_RESTORER 0x04000000 | ||
97 | #define SA_ONSTACK 0x08000000 | ||
98 | #define SA_RESTART 0x10000000 | ||
99 | #define SA_NODEFER 0x40000000 | ||
100 | #define SA_RESETHAND 0x80000000 | ||
101 | |||
102 | #define SA_NOMASK SA_NODEFER | ||
103 | #define SA_ONESHOT SA_RESETHAND | ||
104 | #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ | ||
105 | |||
106 | |||
107 | /* | ||
108 | * sigaltstack controls | ||
109 | */ | ||
110 | #define SS_ONSTACK 1 | ||
111 | #define SS_DISABLE 2 | ||
112 | |||
113 | #define MINSIGSTKSZ 2048 | ||
114 | #define SIGSTKSZ 8192 | ||
115 | |||
116 | #ifdef __KERNEL__ | ||
117 | |||
118 | /* | ||
119 | * These values of sa_flags are used only by the kernel as part of the | ||
120 | * irq handling routines. | ||
121 | * | ||
122 | * SA_INTERRUPT is also used by the irq handling routines. | ||
123 | * SA_SHIRQ is for shared interrupt support on PCI and EISA. | ||
124 | */ | ||
125 | #define SA_PROBE 0x80000000 | ||
126 | #define SA_SAMPLE_RANDOM 0x10000000 | ||
127 | #define SA_IRQNOMASK 0x08000000 | ||
128 | #define SA_SHIRQ 0x04000000 | ||
129 | #endif | ||
130 | |||
131 | #define SIG_BLOCK 0 /* for blocking signals */ | ||
132 | #define SIG_UNBLOCK 1 /* for unblocking signals */ | ||
133 | #define SIG_SETMASK 2 /* for setting the signal mask */ | ||
134 | |||
135 | /* Type of a signal handler. */ | ||
136 | typedef void __signalfn_t(int); | ||
137 | typedef __signalfn_t __user *__sighandler_t; | ||
138 | |||
139 | typedef void __restorefn_t(void); | ||
140 | typedef __restorefn_t __user *__sigrestore_t; | ||
141 | |||
142 | #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ | ||
143 | #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ | ||
144 | #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ | ||
145 | |||
146 | #ifdef __KERNEL__ | ||
147 | struct old_sigaction { | ||
148 | __sighandler_t sa_handler; | ||
149 | old_sigset_t sa_mask; | ||
150 | unsigned long sa_flags; | ||
151 | __sigrestore_t sa_restorer; | ||
152 | }; | ||
153 | |||
154 | struct sigaction { | ||
155 | __sighandler_t sa_handler; | ||
156 | unsigned long sa_flags; | ||
157 | __sigrestore_t sa_restorer; | ||
158 | sigset_t sa_mask; /* mask last for extensibility */ | ||
159 | }; | ||
160 | |||
161 | struct k_sigaction { | ||
162 | struct sigaction sa; | ||
163 | }; | ||
164 | |||
165 | #else | ||
166 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
167 | |||
168 | struct sigaction { | ||
169 | union { | ||
170 | __sighandler_t _sa_handler; | ||
171 | void (*_sa_sigaction)(int, struct siginfo *, void *); | ||
172 | } _u; | ||
173 | sigset_t sa_mask; | ||
174 | unsigned long sa_flags; | ||
175 | void (*sa_restorer)(void); | ||
176 | }; | ||
177 | |||
178 | #define sa_handler _u._sa_handler | ||
179 | #define sa_sigaction _u._sa_sigaction | ||
180 | |||
181 | #endif /* __KERNEL__ */ | ||
182 | |||
183 | typedef struct sigaltstack { | ||
184 | void __user *ss_sp; | ||
185 | int ss_flags; | ||
186 | size_t ss_size; | ||
187 | } stack_t; | ||
188 | |||
189 | #ifdef __KERNEL__ | ||
190 | #include <asm/sigcontext.h> | ||
191 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
192 | #endif | ||
193 | |||
194 | #endif | ||