diff options
Diffstat (limited to 'arch/alpha/include/asm/signal.h')
-rw-r--r-- | arch/alpha/include/asm/signal.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h new file mode 100644 index 000000000000..13c2305d35ef --- /dev/null +++ b/arch/alpha/include/asm/signal.h | |||
@@ -0,0 +1,172 @@ | |||
1 | #ifndef _ASMAXP_SIGNAL_H | ||
2 | #define _ASMAXP_SIGNAL_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | /* Avoid too many header ordering problems. */ | ||
7 | struct siginfo; | ||
8 | |||
9 | #ifdef __KERNEL__ | ||
10 | /* Digital Unix defines 64 signals. Most things should be clean enough | ||
11 | to redefine this at will, if care is taken to make libc match. */ | ||
12 | |||
13 | #define _NSIG 64 | ||
14 | #define _NSIG_BPW 64 | ||
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 | |||
32 | /* | ||
33 | * Linux/AXP has different signal numbers that Linux/i386: I'm trying | ||
34 | * to make it OSF/1 binary compatible, at least for normal binaries. | ||
35 | */ | ||
36 | #define SIGHUP 1 | ||
37 | #define SIGINT 2 | ||
38 | #define SIGQUIT 3 | ||
39 | #define SIGILL 4 | ||
40 | #define SIGTRAP 5 | ||
41 | #define SIGABRT 6 | ||
42 | #define SIGEMT 7 | ||
43 | #define SIGFPE 8 | ||
44 | #define SIGKILL 9 | ||
45 | #define SIGBUS 10 | ||
46 | #define SIGSEGV 11 | ||
47 | #define SIGSYS 12 | ||
48 | #define SIGPIPE 13 | ||
49 | #define SIGALRM 14 | ||
50 | #define SIGTERM 15 | ||
51 | #define SIGURG 16 | ||
52 | #define SIGSTOP 17 | ||
53 | #define SIGTSTP 18 | ||
54 | #define SIGCONT 19 | ||
55 | #define SIGCHLD 20 | ||
56 | #define SIGTTIN 21 | ||
57 | #define SIGTTOU 22 | ||
58 | #define SIGIO 23 | ||
59 | #define SIGXCPU 24 | ||
60 | #define SIGXFSZ 25 | ||
61 | #define SIGVTALRM 26 | ||
62 | #define SIGPROF 27 | ||
63 | #define SIGWINCH 28 | ||
64 | #define SIGINFO 29 | ||
65 | #define SIGUSR1 30 | ||
66 | #define SIGUSR2 31 | ||
67 | |||
68 | #define SIGPOLL SIGIO | ||
69 | #define SIGPWR SIGINFO | ||
70 | #define SIGIOT SIGABRT | ||
71 | |||
72 | /* These should not be considered constants from userland. */ | ||
73 | #define SIGRTMIN 32 | ||
74 | #define SIGRTMAX _NSIG | ||
75 | |||
76 | /* | ||
77 | * SA_FLAGS values: | ||
78 | * | ||
79 | * SA_ONSTACK indicates that a registered stack_t will be used. | ||
80 | * SA_RESTART flag to get restarting signals (which were the default long ago) | ||
81 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | ||
82 | * SA_RESETHAND clears the handler when the signal is delivered. | ||
83 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | ||
84 | * SA_NODEFER prevents the current signal from being masked in the handler. | ||
85 | * | ||
86 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | ||
87 | * Unix names RESETHAND and NODEFER respectively. | ||
88 | */ | ||
89 | |||
90 | #define SA_ONSTACK 0x00000001 | ||
91 | #define SA_RESTART 0x00000002 | ||
92 | #define SA_NOCLDSTOP 0x00000004 | ||
93 | #define SA_NODEFER 0x00000008 | ||
94 | #define SA_RESETHAND 0x00000010 | ||
95 | #define SA_NOCLDWAIT 0x00000020 | ||
96 | #define SA_SIGINFO 0x00000040 | ||
97 | |||
98 | #define SA_ONESHOT SA_RESETHAND | ||
99 | #define SA_NOMASK SA_NODEFER | ||
100 | |||
101 | /* | ||
102 | * sigaltstack controls | ||
103 | */ | ||
104 | #define SS_ONSTACK 1 | ||
105 | #define SS_DISABLE 2 | ||
106 | |||
107 | #define MINSIGSTKSZ 4096 | ||
108 | #define SIGSTKSZ 16384 | ||
109 | |||
110 | #define SIG_BLOCK 1 /* for blocking signals */ | ||
111 | #define SIG_UNBLOCK 2 /* for unblocking signals */ | ||
112 | #define SIG_SETMASK 3 /* for setting the signal mask */ | ||
113 | |||
114 | #include <asm-generic/signal.h> | ||
115 | |||
116 | #ifdef __KERNEL__ | ||
117 | struct osf_sigaction { | ||
118 | __sighandler_t sa_handler; | ||
119 | old_sigset_t sa_mask; | ||
120 | int sa_flags; | ||
121 | }; | ||
122 | |||
123 | struct sigaction { | ||
124 | __sighandler_t sa_handler; | ||
125 | unsigned long sa_flags; | ||
126 | sigset_t sa_mask; /* mask last for extensibility */ | ||
127 | }; | ||
128 | |||
129 | struct k_sigaction { | ||
130 | struct sigaction sa; | ||
131 | __sigrestore_t ka_restorer; | ||
132 | }; | ||
133 | #else | ||
134 | /* Here we must cater to libcs that poke about in kernel headers. */ | ||
135 | |||
136 | struct sigaction { | ||
137 | union { | ||
138 | __sighandler_t _sa_handler; | ||
139 | void (*_sa_sigaction)(int, struct siginfo *, void *); | ||
140 | } _u; | ||
141 | sigset_t sa_mask; | ||
142 | int sa_flags; | ||
143 | }; | ||
144 | |||
145 | #define sa_handler _u._sa_handler | ||
146 | #define sa_sigaction _u._sa_sigaction | ||
147 | |||
148 | #endif /* __KERNEL__ */ | ||
149 | |||
150 | typedef struct sigaltstack { | ||
151 | void __user *ss_sp; | ||
152 | int ss_flags; | ||
153 | size_t ss_size; | ||
154 | } stack_t; | ||
155 | |||
156 | /* sigstack(2) is deprecated, and will be withdrawn in a future version | ||
157 | of the X/Open CAE Specification. Use sigaltstack instead. It is only | ||
158 | implemented here for OSF/1 compatibility. */ | ||
159 | |||
160 | struct sigstack { | ||
161 | void __user *ss_sp; | ||
162 | int ss_onstack; | ||
163 | }; | ||
164 | |||
165 | #ifdef __KERNEL__ | ||
166 | #include <asm/sigcontext.h> | ||
167 | |||
168 | #define ptrace_signal_deliver(regs, cookie) do { } while (0) | ||
169 | |||
170 | #endif | ||
171 | |||
172 | #endif | ||