1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_ASMARM_SIGNAL_H
3#define _UAPI_ASMARM_SIGNAL_H
4
5#include <linux/types.h>
6
7/* Avoid too many header ordering problems.  */
8struct siginfo;
9
10#ifndef __KERNEL__
11/* Here we must cater to libcs that poke about in kernel headers.  */
12
13#define NSIG		32
14typedef unsigned long sigset_t;
15
16#endif /* __KERNEL__ */
17
18#define SIGHUP		 1
19#define SIGINT		 2
20#define SIGQUIT		 3
21#define SIGILL		 4
22#define SIGTRAP		 5
23#define SIGABRT		 6
24#define SIGIOT		 6
25#define SIGBUS		 7
26#define SIGFPE		 8
27#define SIGKILL		 9
28#define SIGUSR1		10
29#define SIGSEGV		11
30#define SIGUSR2		12
31#define SIGPIPE		13
32#define SIGALRM		14
33#define SIGTERM		15
34#define SIGSTKFLT	16
35#define SIGCHLD		17
36#define SIGCONT		18
37#define SIGSTOP		19
38#define SIGTSTP		20
39#define SIGTTIN		21
40#define SIGTTOU		22
41#define SIGURG		23
42#define SIGXCPU		24
43#define SIGXFSZ		25
44#define SIGVTALRM	26
45#define SIGPROF		27
46#define SIGWINCH	28
47#define SIGIO		29
48#define SIGPOLL		SIGIO
49/*
50#define SIGLOST		29
51*/
52#define SIGPWR		30
53#define SIGSYS		31
54#define	SIGUNUSED	31
55
56/* These should not be considered constants from userland.  */
57#define SIGRTMIN	32
58#define SIGRTMAX	_NSIG
59
60#define SIGSWI		32
61
62/*
63 * SA_FLAGS values:
64 *
65 * SA_NOCLDSTOP		flag to turn off SIGCHLD when children stop.
66 * SA_NOCLDWAIT		flag on SIGCHLD to inhibit zombies.
67 * SA_SIGINFO		deliver the signal with SIGINFO structs
68 * SA_THIRTYTWO		delivers the signal in 32-bit mode, even if the task
69 *			is running in 26-bit.
70 * SA_ONSTACK		allows alternate signal stacks (see sigaltstack(2)).
71 * SA_RESTART		flag to get restarting signals (which were the default long ago)
72 * SA_NODEFER		prevents the current signal from being masked in the handler.
73 * SA_RESETHAND		clears the handler when the signal is delivered.
74 *
75 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
76 * Unix names RESETHAND and NODEFER respectively.
77 */
78#define SA_NOCLDSTOP	0x00000001
79#define SA_NOCLDWAIT	0x00000002
80#define SA_SIGINFO	0x00000004
81#define SA_THIRTYTWO	0x02000000
82#define SA_RESTORER	0x04000000
83#define SA_ONSTACK	0x08000000
84#define SA_RESTART	0x10000000
85#define SA_NODEFER	0x40000000
86#define SA_RESETHAND	0x80000000
87
88#define SA_NOMASK	SA_NODEFER
89#define SA_ONESHOT	SA_RESETHAND
90
91#define MINSIGSTKSZ	2048
92#define SIGSTKSZ	8192
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	unsigned long sa_flags;
106	void (*sa_restorer)(void);
107};
108
109#define sa_handler	_u._sa_handler
110#define sa_sigaction	_u._sa_sigaction
111
112#endif /* __KERNEL__ */
113
114typedef struct sigaltstack {
115	void __user *ss_sp;
116	int ss_flags;
117	size_t ss_size;
118} stack_t;
119
120
121#endif /* _UAPI_ASMARM_SIGNAL_H */
122