Linux Kernel  3.7.1
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signal.h
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1 #ifndef _ASM_M32R_SIGNAL_H
2 #define _ASM_M32R_SIGNAL_H
3 
4 #include <linux/types.h>
5 #include <linux/time.h>
6 #include <linux/compiler.h>
7 
8 /* Avoid too many header ordering problems. */
9 struct siginfo;
10 
11 #ifdef __KERNEL__
12 /* Most things should be clean enough to redefine this at will, if care
13  is taken to make libc match. */
14 
15 #define _NSIG 64
16 #define _NSIG_BPW 32
17 #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
18 
19 typedef unsigned long old_sigset_t; /* at least 32 bits */
20 
21 typedef struct {
22  unsigned long sig[_NSIG_WORDS];
23 } sigset_t;
24 
25 #else
26 /* Here we must cater to libcs that poke about in kernel headers. */
27 
28 #define NSIG 32
29 typedef unsigned long sigset_t;
30 
31 #endif /* __KERNEL__ */
32 
33 #define SIGHUP 1
34 #define SIGINT 2
35 #define SIGQUIT 3
36 #define SIGILL 4
37 #define SIGTRAP 5
38 #define SIGABRT 6
39 #define SIGIOT 6
40 #define SIGBUS 7
41 #define SIGFPE 8
42 #define SIGKILL 9
43 #define SIGUSR1 10
44 #define SIGSEGV 11
45 #define SIGUSR2 12
46 #define SIGPIPE 13
47 #define SIGALRM 14
48 #define SIGTERM 15
49 #define SIGSTKFLT 16
50 #define SIGCHLD 17
51 #define SIGCONT 18
52 #define SIGSTOP 19
53 #define SIGTSTP 20
54 #define SIGTTIN 21
55 #define SIGTTOU 22
56 #define SIGURG 23
57 #define SIGXCPU 24
58 #define SIGXFSZ 25
59 #define SIGVTALRM 26
60 #define SIGPROF 27
61 #define SIGWINCH 28
62 #define SIGIO 29
63 #define SIGPOLL SIGIO
64 /*
65 #define SIGLOST 29
66 */
67 #define SIGPWR 30
68 #define SIGSYS 31
69 #define SIGUNUSED 31
70 
71 /* These should not be considered constants from userland. */
72 #define SIGRTMIN 32
73 #define SIGRTMAX _NSIG
74 
75 /*
76  * SA_FLAGS values:
77  *
78  * SA_ONSTACK indicates that a registered stack_t will be used.
79  * SA_RESTART flag to get restarting signals (which were the default long ago)
80  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
81  * SA_RESETHAND clears the handler when the signal is delivered.
82  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
83  * SA_NODEFER prevents the current signal from being masked in the handler.
84  *
85  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
86  * Unix names RESETHAND and NODEFER respectively.
87  */
88 #define SA_NOCLDSTOP 0x00000001u
89 #define SA_NOCLDWAIT 0x00000002u
90 #define SA_SIGINFO 0x00000004u
91 #define SA_ONSTACK 0x08000000u
92 #define SA_RESTART 0x10000000u
93 #define SA_NODEFER 0x40000000u
94 #define SA_RESETHAND 0x80000000u
95 
96 #define SA_NOMASK SA_NODEFER
97 #define SA_ONESHOT SA_RESETHAND
98 
99 #define SA_RESTORER 0x04000000
100 
101 /*
102  * sigaltstack controls
103  */
104 #define SS_ONSTACK 1
105 #define SS_DISABLE 2
106 
107 #define MINSIGSTKSZ 2048
108 #define SIGSTKSZ 8192
109 
110 #include <asm-generic/signal-defs.h>
111 
112 #ifdef __KERNEL__
113 struct sigaction {
115  unsigned long sa_flags;
117  sigset_t sa_mask; /* mask last for extensibility */
118 };
119 
120 struct k_sigaction {
121  struct sigaction sa;
122 };
123 #else
124 /* Here we must cater to libcs that poke about in kernel headers. */
125 
126 struct sigaction {
127  union {
129  void (*_sa_sigaction)(int, struct siginfo *, void *);
130  } _u;
132  unsigned long sa_flags;
133  void (*sa_restorer)(void);
134 };
135 
136 #define sa_handler _u._sa_handler
137 #define sa_sigaction _u._sa_sigaction
138 
139 #endif /* __KERNEL__ */
140 
141 typedef struct sigaltstack {
142  void __user *ss_sp;
143  int ss_flags;
144  size_t ss_size;
145 } stack_t;
146 
147 #ifdef __KERNEL__
148 #include <asm/sigcontext.h>
149 
150 #undef __HAVE_ARCH_SIG_BITOPS
151 
152 struct pt_regs;
153 
154 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
155 
156 #endif /* __KERNEL__ */
157 
158 #endif /* _ASM_M32R_SIGNAL_H */