1 #ifndef _UAPI_ASM_X86_SIGNAL_H
2 #define _UAPI_ASM_X86_SIGNAL_H
3
4 #ifndef __ASSEMBLY__
5 #include <linux/types.h>
6 #include <linux/time.h>
7 #include <linux/compiler.h>
8
9 /* Avoid too many header ordering problems. */
10 struct siginfo;
11
12 #ifndef __KERNEL__
13 /* Here we must cater to libcs that poke about in kernel headers. */
14
15 #define NSIG 32
16 typedef unsigned long sigset_t;
17
18 #endif /* __KERNEL__ */
19 #endif /* __ASSEMBLY__ */
20
21
22 #define SIGHUP 1
23 #define SIGINT 2
24 #define SIGQUIT 3
25 #define SIGILL 4
26 #define SIGTRAP 5
27 #define SIGABRT 6
28 #define SIGIOT 6
29 #define SIGBUS 7
30 #define SIGFPE 8
31 #define SIGKILL 9
32 #define SIGUSR1 10
33 #define SIGSEGV 11
34 #define SIGUSR2 12
35 #define SIGPIPE 13
36 #define SIGALRM 14
37 #define SIGTERM 15
38 #define SIGSTKFLT 16
39 #define SIGCHLD 17
40 #define SIGCONT 18
41 #define SIGSTOP 19
42 #define SIGTSTP 20
43 #define SIGTTIN 21
44 #define SIGTTOU 22
45 #define SIGURG 23
46 #define SIGXCPU 24
47 #define SIGXFSZ 25
48 #define SIGVTALRM 26
49 #define SIGPROF 27
50 #define SIGWINCH 28
51 #define SIGIO 29
52 #define SIGPOLL SIGIO
53 /*
54 #define SIGLOST 29
55 */
56 #define SIGPWR 30
57 #define SIGSYS 31
58 #define SIGUNUSED 31
59
60 /* These should not be considered constants from userland. */
61 #define SIGRTMIN 32
62 #define SIGRTMAX _NSIG
63
64 /*
65 * SA_FLAGS values:
66 *
67 * SA_ONSTACK indicates that a registered stack_t will be used.
68 * SA_RESTART flag to get restarting signals (which were the default long ago)
69 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
70 * SA_RESETHAND clears the handler when the signal is delivered.
71 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
72 * SA_NODEFER prevents the current signal from being masked in the handler.
73 *
74 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
75 * Unix names RESETHAND and NODEFER respectively.
76 */
77 #define SA_NOCLDSTOP 0x00000001u
78 #define SA_NOCLDWAIT 0x00000002u
79 #define SA_SIGINFO 0x00000004u
80 #define SA_ONSTACK 0x08000000u
81 #define SA_RESTART 0x10000000u
82 #define SA_NODEFER 0x40000000u
83 #define SA_RESETHAND 0x80000000u
84
85 #define SA_NOMASK SA_NODEFER
86 #define SA_ONESHOT SA_RESETHAND
87
88 #define SA_RESTORER 0x04000000
89
90 #define MINSIGSTKSZ 2048
91 #define SIGSTKSZ 8192
92
93 #include <asm-generic/signal-defs.h>
94
95 #ifndef __ASSEMBLY__
96
97
98 # ifndef __KERNEL__
99 /* Here we must cater to libcs that poke about in kernel headers. */
100 #ifdef __i386__
101
102 struct sigaction {
103 union {
104 __sighandler_t _sa_handler;
105 void (*_sa_sigaction)(int, struct siginfo *, void *);
106 } _u;
107 sigset_t sa_mask;
108 unsigned long sa_flags;
109 void (*sa_restorer)(void);
110 };
111
112 #define sa_handler _u._sa_handler
113 #define sa_sigaction _u._sa_sigaction
114
115 #else /* __i386__ */
116
117 struct sigaction {
118 __sighandler_t sa_handler;
119 unsigned long sa_flags;
120 __sigrestore_t sa_restorer;
121 sigset_t sa_mask; /* mask last for extensibility */
122 };
123
124 #endif /* !__i386__ */
125 # endif /* ! __KERNEL__ */
126
127 typedef struct sigaltstack {
128 void __user *ss_sp;
129 int ss_flags;
130 size_t ss_size;
131 } stack_t;
132
133 #endif /* __ASSEMBLY__ */
134
135 #endif /* _UAPI_ASM_X86_SIGNAL_H */
136
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