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1 /*
2  * Copyright (C) 2004-2006 Atmel Corporation
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8 #ifndef _UAPI__ASM_AVR32_SIGNAL_H
9 #define _UAPI__ASM_AVR32_SIGNAL_H
10 
11 #include <linux/types.h>
12 
13 /* Avoid too many header ordering problems.  */
14 struct siginfo;
15 
16 #ifndef __KERNEL__
17 /* Here we must cater to libcs that poke about in kernel headers.  */
18 
19 #define NSIG		32
20 typedef unsigned long sigset_t;
21 
22 #endif /* __KERNEL__ */
23 
24 #define SIGHUP		 1
25 #define SIGINT		 2
26 #define SIGQUIT		 3
27 #define SIGILL		 4
28 #define SIGTRAP		 5
29 #define SIGABRT		 6
30 #define SIGIOT		 6
31 #define SIGBUS		 7
32 #define SIGFPE		 8
33 #define SIGKILL		 9
34 #define SIGUSR1		10
35 #define SIGSEGV		11
36 #define SIGUSR2		12
37 #define SIGPIPE		13
38 #define SIGALRM		14
39 #define SIGTERM		15
40 #define SIGSTKFLT	16
41 #define SIGCHLD		17
42 #define SIGCONT		18
43 #define SIGSTOP		19
44 #define SIGTSTP		20
45 #define SIGTTIN		21
46 #define SIGTTOU		22
47 #define SIGURG		23
48 #define SIGXCPU		24
49 #define SIGXFSZ		25
50 #define SIGVTALRM	26
51 #define SIGPROF		27
52 #define SIGWINCH	28
53 #define SIGIO		29
54 #define SIGPOLL		SIGIO
55 /*
56 #define SIGLOST		29
57 */
58 #define SIGPWR		30
59 #define SIGSYS		31
60 #define	SIGUNUSED	31
61 
62 /* These should not be considered constants from userland.  */
63 #define SIGRTMIN	32
64 #define SIGRTMAX	(_NSIG-1)
65 
66 /*
67  * SA_FLAGS values:
68  *
69  * SA_NOCLDSTOP		flag to turn off SIGCHLD when children stop.
70  * SA_NOCLDWAIT		flag on SIGCHLD to inhibit zombies.
71  * SA_SIGINFO		deliver the signal with SIGINFO structs
72  * SA_ONSTACK		indicates that a registered stack_t will be used.
73  * SA_RESTART		flag to get restarting signals (which were the default long ago)
74  * SA_NODEFER		prevents the current signal from being masked in the handler.
75  * SA_RESETHAND		clears the handler when the signal is delivered.
76  *
77  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
78  * Unix names RESETHAND and NODEFER respectively.
79  */
80 #define SA_NOCLDSTOP	0x00000001
81 #define SA_NOCLDWAIT	0x00000002
82 #define SA_SIGINFO	0x00000004
83 #define SA_RESTORER	0x04000000
84 #define SA_ONSTACK	0x08000000
85 #define SA_RESTART	0x10000000
86 #define SA_NODEFER	0x40000000
87 #define SA_RESETHAND	0x80000000
88 
89 #define SA_NOMASK	SA_NODEFER
90 #define SA_ONESHOT	SA_RESETHAND
91 
92 #define MINSIGSTKSZ	2048
93 #define SIGSTKSZ	8192
94 
95 #include <asm-generic/signal-defs.h>
96 
97 #ifndef __KERNEL__
98 /* Here we must cater to libcs that poke about in kernel headers.  */
99 
100 struct sigaction {
101 	union {
102 		__sighandler_t _sa_handler;
103 		void (*_sa_sigaction)(int, struct siginfo *, void *);
104 	} _u;
105 	sigset_t sa_mask;
106 	unsigned long sa_flags;
107 	void (*sa_restorer)(void);
108 };
109 
110 #define sa_handler	_u._sa_handler
111 #define sa_sigaction	_u._sa_sigaction
112 
113 #endif /* __KERNEL__ */
114 
115 typedef struct sigaltstack {
116 	void __user *ss_sp;
117 	int ss_flags;
118 	size_t ss_size;
119 } stack_t;
120 
121 #endif /* _UAPI__ASM_AVR32_SIGNAL_H */
122