signal.h revision 83b9d3a082a6e5281b5b5fc45337270d915af39d 
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.  */
14struct siginfo;
15
16#ifndef __KERNEL__
17/* Here we must cater to libcs that poke about in kernel headers.  */
18
19#define NSIG		32
20typedef 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/*
93 * sigaltstack controls
94 */
95#define SS_ONSTACK	1
96#define SS_DISABLE	2
97
98#define MINSIGSTKSZ	2048
99#define SIGSTKSZ	8192
100
101#include <asm-generic/signal-defs.h>
102
103#ifndef __KERNEL__
104/* Here we must cater to libcs that poke about in kernel headers.  */
105
106struct sigaction {
107	union {
108		__sighandler_t _sa_handler;
109		void (*_sa_sigaction)(int, struct siginfo *, void *);
110	} _u;
111	sigset_t sa_mask;
112	unsigned long sa_flags;
113	void (*sa_restorer)(void);
114};
115
116#define sa_handler	_u._sa_handler
117#define sa_sigaction	_u._sa_sigaction
118
119#endif /* __KERNEL__ */
120
121typedef struct sigaltstack {
122	void __user *ss_sp;
123	int ss_flags;
124	size_t ss_size;
125} stack_t;
126
127
128#endif /* _UAPI__ASM_AVR32_SIGNAL_H */
129