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Linux kernel mirror (for testing)
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linux
1#ifndef _UAPI_ASMAXP_SIGNAL_H
2#define _UAPI_ASMAXP_SIGNAL_H
3
4#include <linux/types.h>
5
6/* Avoid too many header ordering problems. */
7struct siginfo;
8
9#ifndef __KERNEL__
10/* Here we must cater to libcs that poke about in kernel headers. */
11
12#define NSIG 32
13typedef unsigned long sigset_t;
14
15#endif /* __KERNEL__ */
16
17
18/*
19 * Linux/AXP has different signal numbers that Linux/i386: I'm trying
20 * to make it OSF/1 binary compatible, at least for normal binaries.
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 SIGEMT 7
29#define SIGFPE 8
30#define SIGKILL 9
31#define SIGBUS 10
32#define SIGSEGV 11
33#define SIGSYS 12
34#define SIGPIPE 13
35#define SIGALRM 14
36#define SIGTERM 15
37#define SIGURG 16
38#define SIGSTOP 17
39#define SIGTSTP 18
40#define SIGCONT 19
41#define SIGCHLD 20
42#define SIGTTIN 21
43#define SIGTTOU 22
44#define SIGIO 23
45#define SIGXCPU 24
46#define SIGXFSZ 25
47#define SIGVTALRM 26
48#define SIGPROF 27
49#define SIGWINCH 28
50#define SIGINFO 29
51#define SIGUSR1 30
52#define SIGUSR2 31
53
54#define SIGPOLL SIGIO
55#define SIGPWR SIGINFO
56#define SIGIOT SIGABRT
57
58/* These should not be considered constants from userland. */
59#define SIGRTMIN 32
60#define SIGRTMAX _NSIG
61
62/*
63 * SA_FLAGS values:
64 *
65 * SA_ONSTACK indicates that a registered stack_t will be used.
66 * SA_RESTART flag to get restarting signals (which were the default long ago)
67 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
68 * SA_RESETHAND clears the handler when the signal is delivered.
69 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
70 * SA_NODEFER prevents the current signal from being masked in the handler.
71 *
72 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
73 * Unix names RESETHAND and NODEFER respectively.
74 */
75
76#define SA_ONSTACK 0x00000001
77#define SA_RESTART 0x00000002
78#define SA_NOCLDSTOP 0x00000004
79#define SA_NODEFER 0x00000008
80#define SA_RESETHAND 0x00000010
81#define SA_NOCLDWAIT 0x00000020
82#define SA_SIGINFO 0x00000040
83
84#define SA_ONESHOT SA_RESETHAND
85#define SA_NOMASK SA_NODEFER
86
87#define MINSIGSTKSZ 4096
88#define SIGSTKSZ 16384
89
90#define SIG_BLOCK 1 /* for blocking signals */
91#define SIG_UNBLOCK 2 /* for unblocking signals */
92#define SIG_SETMASK 3 /* for setting the signal mask */
93
94#include <asm-generic/signal-defs.h>
95
96#ifndef __KERNEL__
97/* Here we must cater to libcs that poke about in kernel headers. */
98
99struct sigaction {
100 union {
101 __sighandler_t _sa_handler;
102 void (*_sa_sigaction)(int, struct siginfo *, void *);
103 } _u;
104 sigset_t sa_mask;
105 int sa_flags;
106};
107
108#define sa_handler _u._sa_handler
109#define sa_sigaction _u._sa_sigaction
110
111#endif /* __KERNEL__ */
112
113typedef struct sigaltstack {
114 void __user *ss_sp;
115 int ss_flags;
116 size_t ss_size;
117} stack_t;
118
119/* sigstack(2) is deprecated, and will be withdrawn in a future version
120 of the X/Open CAE Specification. Use sigaltstack instead. It is only
121 implemented here for OSF/1 compatibility. */
122
123struct sigstack {
124 void __user *ss_sp;
125 int ss_onstack;
126};
127
128
129#endif /* _UAPI_ASMAXP_SIGNAL_H */