diff options
Diffstat (limited to 'include/asm-generic/signal.h')
-rw-r--r-- | include/asm-generic/signal.h | 137 |
1 files changed, 120 insertions, 17 deletions
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h index dae1d8720076..555c0aee8a47 100644 --- a/include/asm-generic/signal.h +++ b/include/asm-generic/signal.h | |||
@@ -1,28 +1,131 @@ | |||
1 | #ifndef __ASM_GENERIC_SIGNAL_H | 1 | #ifndef __ASM_GENERIC_SIGNAL_H |
2 | #define __ASM_GENERIC_SIGNAL_H | 2 | #define __ASM_GENERIC_SIGNAL_H |
3 | 3 | ||
4 | #include <linux/compiler.h> | 4 | #include <linux/types.h> |
5 | 5 | ||
6 | #ifndef SIG_BLOCK | 6 | #define _NSIG 64 |
7 | #define SIG_BLOCK 0 /* for blocking signals */ | 7 | #define _NSIG_BPW __BITS_PER_LONG |
8 | #endif | 8 | #define _NSIG_WORDS (_NSIG / _NSIG_BPW) |
9 | #ifndef SIG_UNBLOCK | 9 | |
10 | #define SIG_UNBLOCK 1 /* for unblocking signals */ | 10 | #define SIGHUP 1 |
11 | #endif | 11 | #define SIGINT 2 |
12 | #ifndef SIG_SETMASK | 12 | #define SIGQUIT 3 |
13 | #define SIG_SETMASK 2 /* for setting the signal mask */ | 13 | #define SIGILL 4 |
14 | #define SIGTRAP 5 | ||
15 | #define SIGABRT 6 | ||
16 | #define SIGIOT 6 | ||
17 | #define SIGBUS 7 | ||
18 | #define SIGFPE 8 | ||
19 | #define SIGKILL 9 | ||
20 | #define SIGUSR1 10 | ||
21 | #define SIGSEGV 11 | ||
22 | #define SIGUSR2 12 | ||
23 | #define SIGPIPE 13 | ||
24 | #define SIGALRM 14 | ||
25 | #define SIGTERM 15 | ||
26 | #define SIGSTKFLT 16 | ||
27 | #define SIGCHLD 17 | ||
28 | #define SIGCONT 18 | ||
29 | #define SIGSTOP 19 | ||
30 | #define SIGTSTP 20 | ||
31 | #define SIGTTIN 21 | ||
32 | #define SIGTTOU 22 | ||
33 | #define SIGURG 23 | ||
34 | #define SIGXCPU 24 | ||
35 | #define SIGXFSZ 25 | ||
36 | #define SIGVTALRM 26 | ||
37 | #define SIGPROF 27 | ||
38 | #define SIGWINCH 28 | ||
39 | #define SIGIO 29 | ||
40 | #define SIGPOLL SIGIO | ||
41 | /* | ||
42 | #define SIGLOST 29 | ||
43 | */ | ||
44 | #define SIGPWR 30 | ||
45 | #define SIGSYS 31 | ||
46 | #define SIGUNUSED 31 | ||
47 | |||
48 | /* These should not be considered constants from userland. */ | ||
49 | #define SIGRTMIN 32 | ||
50 | #ifndef SIGRTMAX | ||
51 | #define SIGRTMAX _NSIG | ||
14 | #endif | 52 | #endif |
15 | 53 | ||
54 | /* | ||
55 | * SA_FLAGS values: | ||
56 | * | ||
57 | * SA_ONSTACK indicates that a registered stack_t will be used. | ||
58 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
59 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | ||
60 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
61 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | ||
62 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
63 | * | ||
64 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
65 | * Unix names RESETHAND and NODEFER respectively. | ||
66 | */ | ||
67 | #define SA_NOCLDSTOP 0x00000001 | ||
68 | #define SA_NOCLDWAIT 0x00000002 | ||
69 | #define SA_SIGINFO 0x00000004 | ||
70 | #define SA_ONSTACK 0x08000000 | ||
71 | #define SA_RESTART 0x10000000 | ||
72 | #define SA_NODEFER 0x40000000 | ||
73 | #define SA_RESETHAND 0x80000000 | ||
74 | |||
75 | #define SA_NOMASK SA_NODEFER | ||
76 | #define SA_ONESHOT SA_RESETHAND | ||
77 | |||
78 | /* | ||
79 | * New architectures should not define the obsolete | ||
80 | * SA_RESTORER 0x04000000 | ||
81 | */ | ||
82 | |||
83 | /* | ||
84 | * sigaltstack controls | ||
85 | */ | ||
86 | #define SS_ONSTACK 1 | ||
87 | #define SS_DISABLE 2 | ||
88 | |||
89 | #define MINSIGSTKSZ 2048 | ||
90 | #define SIGSTKSZ 8192 | ||
91 | |||
16 | #ifndef __ASSEMBLY__ | 92 | #ifndef __ASSEMBLY__ |
17 | typedef void __signalfn_t(int); | 93 | typedef struct { |
18 | typedef __signalfn_t __user *__sighandler_t; | 94 | unsigned long sig[_NSIG_WORDS]; |
95 | } sigset_t; | ||
96 | |||
97 | /* not actually used, but required for linux/syscalls.h */ | ||
98 | typedef unsigned long old_sigset_t; | ||
19 | 99 | ||
20 | typedef void __restorefn_t(void); | 100 | #include <asm-generic/signal-defs.h> |
21 | typedef __restorefn_t __user *__sigrestore_t; | ||
22 | 101 | ||
23 | #define SIG_DFL ((__force __sighandler_t)0) /* default signal handling */ | 102 | struct sigaction { |
24 | #define SIG_IGN ((__force __sighandler_t)1) /* ignore signal */ | 103 | __sighandler_t sa_handler; |
25 | #define SIG_ERR ((__force __sighandler_t)-1) /* error return from signal */ | 104 | unsigned long sa_flags; |
105 | #ifdef SA_RESTORER | ||
106 | __sigrestore_t sa_restorer; | ||
26 | #endif | 107 | #endif |
108 | sigset_t sa_mask; /* mask last for extensibility */ | ||
109 | }; | ||
110 | |||
111 | struct k_sigaction { | ||
112 | struct sigaction sa; | ||
113 | }; | ||
114 | |||
115 | typedef struct sigaltstack { | ||
116 | void __user *ss_sp; | ||
117 | int ss_flags; | ||
118 | size_t ss_size; | ||
119 | } stack_t; | ||
120 | |||
121 | #ifdef __KERNEL__ | ||
122 | |||
123 | #include <asm/sigcontext.h> | ||
124 | #undef __HAVE_ARCH_SIG_BITOPS | ||
125 | |||
126 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
127 | |||
128 | #endif /* __KERNEL__ */ | ||
129 | #endif /* __ASSEMBLY__ */ | ||
27 | 130 | ||
28 | #endif /* __ASM_GENERIC_SIGNAL_H */ | 131 | #endif /* _ASM_GENERIC_SIGNAL_H */ |