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. */
8 struct siginfo;
9
10 #ifndef __KERNEL__
11 /* Here we must cater to libcs that poke about in kernel headers. */
12
13 #define NSIG 32
14 typedef 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
99 struct 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
114 typedef 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
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