xref: /linux/arch/arm/include/uapi/asm/signal.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
1 #ifndef _UAPI_ASMARM_SIGNAL_H
2 #define _UAPI_ASMARM_SIGNAL_H
3 
4 #include <linux/types.h>
5 
6 /* Avoid too many header ordering problems.  */
7 struct siginfo;
8 
9 #ifndef __KERNEL__
10 /* Here we must cater to libcs that poke about in kernel headers.  */
11 
12 #define NSIG		32
13 typedef unsigned long sigset_t;
14 
15 #endif /* __KERNEL__ */
16 
17 #define SIGHUP		 1
18 #define SIGINT		 2
19 #define SIGQUIT		 3
20 #define SIGILL		 4
21 #define SIGTRAP		 5
22 #define SIGABRT		 6
23 #define SIGIOT		 6
24 #define SIGBUS		 7
25 #define SIGFPE		 8
26 #define SIGKILL		 9
27 #define SIGUSR1		10
28 #define SIGSEGV		11
29 #define SIGUSR2		12
30 #define SIGPIPE		13
31 #define SIGALRM		14
32 #define SIGTERM		15
33 #define SIGSTKFLT	16
34 #define SIGCHLD		17
35 #define SIGCONT		18
36 #define SIGSTOP		19
37 #define SIGTSTP		20
38 #define SIGTTIN		21
39 #define SIGTTOU		22
40 #define SIGURG		23
41 #define SIGXCPU		24
42 #define SIGXFSZ		25
43 #define SIGVTALRM	26
44 #define SIGPROF		27
45 #define SIGWINCH	28
46 #define SIGIO		29
47 #define SIGPOLL		SIGIO
48 /*
49 #define SIGLOST		29
50 */
51 #define SIGPWR		30
52 #define SIGSYS		31
53 #define	SIGUNUSED	31
54 
55 /* These should not be considered constants from userland.  */
56 #define SIGRTMIN	32
57 #define SIGRTMAX	_NSIG
58 
59 #define SIGSWI		32
60 
61 /*
62  * SA_FLAGS values:
63  *
64  * SA_NOCLDSTOP		flag to turn off SIGCHLD when children stop.
65  * SA_NOCLDWAIT		flag on SIGCHLD to inhibit zombies.
66  * SA_SIGINFO		deliver the signal with SIGINFO structs
67  * SA_THIRTYTWO		delivers the signal in 32-bit mode, even if the task
68  *			is running in 26-bit.
69  * SA_ONSTACK		allows alternate signal stacks (see sigaltstack(2)).
70  * SA_RESTART		flag to get restarting signals (which were the default long ago)
71  * SA_NODEFER		prevents the current signal from being masked in the handler.
72  * SA_RESETHAND		clears the handler when the signal is delivered.
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	0x00000001
78 #define SA_NOCLDWAIT	0x00000002
79 #define SA_SIGINFO	0x00000004
80 #define SA_THIRTYTWO	0x02000000
81 #define SA_RESTORER	0x04000000
82 #define SA_ONSTACK	0x08000000
83 #define SA_RESTART	0x10000000
84 #define SA_NODEFER	0x40000000
85 #define SA_RESETHAND	0x80000000
86 
87 #define SA_NOMASK	SA_NODEFER
88 #define SA_ONESHOT	SA_RESETHAND
89 
90 #define MINSIGSTKSZ	2048
91 #define SIGSTKSZ	8192
92 
93 #include <asm-generic/signal-defs.h>
94 
95 #ifndef __KERNEL__
96 /* Here we must cater to libcs that poke about in kernel headers.  */
97 
98 struct sigaction {
99 	union {
100 	  __sighandler_t _sa_handler;
101 	  void (*_sa_sigaction)(int, struct siginfo *, void *);
102 	} _u;
103 	sigset_t sa_mask;
104 	unsigned long sa_flags;
105 	void (*sa_restorer)(void);
106 };
107 
108 #define sa_handler	_u._sa_handler
109 #define sa_sigaction	_u._sa_sigaction
110 
111 #endif /* __KERNEL__ */
112 
113 typedef struct sigaltstack {
114 	void __user *ss_sp;
115 	int ss_flags;
116 	size_t ss_size;
117 } stack_t;
118 
119 
120 #endif /* _UAPI_ASMARM_SIGNAL_H */
121