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 */
130