]>
Commit | Line | Data |
---|---|---|
6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
96433f6e DH |
2 | #ifndef _UAPI_ASMAXP_SIGNAL_H |
3 | #define _UAPI_ASMAXP_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 | ||
19 | /* | |
20 | * Linux/AXP has different signal numbers that Linux/i386: I'm trying | |
21 | * to make it OSF/1 binary compatible, at least for normal binaries. | |
22 | */ | |
23 | #define SIGHUP 1 | |
24 | #define SIGINT 2 | |
25 | #define SIGQUIT 3 | |
26 | #define SIGILL 4 | |
27 | #define SIGTRAP 5 | |
28 | #define SIGABRT 6 | |
29 | #define SIGEMT 7 | |
30 | #define SIGFPE 8 | |
31 | #define SIGKILL 9 | |
32 | #define SIGBUS 10 | |
33 | #define SIGSEGV 11 | |
34 | #define SIGSYS 12 | |
35 | #define SIGPIPE 13 | |
36 | #define SIGALRM 14 | |
37 | #define SIGTERM 15 | |
38 | #define SIGURG 16 | |
39 | #define SIGSTOP 17 | |
40 | #define SIGTSTP 18 | |
41 | #define SIGCONT 19 | |
42 | #define SIGCHLD 20 | |
43 | #define SIGTTIN 21 | |
44 | #define SIGTTOU 22 | |
45 | #define SIGIO 23 | |
46 | #define SIGXCPU 24 | |
47 | #define SIGXFSZ 25 | |
48 | #define SIGVTALRM 26 | |
49 | #define SIGPROF 27 | |
50 | #define SIGWINCH 28 | |
51 | #define SIGINFO 29 | |
52 | #define SIGUSR1 30 | |
53 | #define SIGUSR2 31 | |
54 | ||
55 | #define SIGPOLL SIGIO | |
56 | #define SIGPWR SIGINFO | |
57 | #define SIGIOT SIGABRT | |
58 | ||
59 | /* These should not be considered constants from userland. */ | |
60 | #define SIGRTMIN 32 | |
61 | #define SIGRTMAX _NSIG | |
62 | ||
63 | /* | |
64 | * SA_FLAGS values: | |
65 | * | |
66 | * SA_ONSTACK indicates that a registered stack_t will be used. | |
67 | * SA_RESTART flag to get restarting signals (which were the default long ago) | |
68 | * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. | |
69 | * SA_RESETHAND clears the handler when the signal is delivered. | |
70 | * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. | |
71 | * SA_NODEFER prevents the current signal from being masked in the handler. | |
72 | * | |
73 | * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single | |
74 | * Unix names RESETHAND and NODEFER respectively. | |
75 | */ | |
76 | ||
77 | #define SA_ONSTACK 0x00000001 | |
78 | #define SA_RESTART 0x00000002 | |
79 | #define SA_NOCLDSTOP 0x00000004 | |
80 | #define SA_NODEFER 0x00000008 | |
81 | #define SA_RESETHAND 0x00000010 | |
82 | #define SA_NOCLDWAIT 0x00000020 | |
83 | #define SA_SIGINFO 0x00000040 | |
84 | ||
85 | #define SA_ONESHOT SA_RESETHAND | |
86 | #define SA_NOMASK SA_NODEFER | |
87 | ||
96433f6e DH |
88 | #define MINSIGSTKSZ 4096 |
89 | #define SIGSTKSZ 16384 | |
90 | ||
91 | #define SIG_BLOCK 1 /* for blocking signals */ | |
92 | #define SIG_UNBLOCK 2 /* for unblocking signals */ | |
93 | #define SIG_SETMASK 3 /* for setting the signal mask */ | |
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 | int sa_flags; | |
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 | /* sigstack(2) is deprecated, and will be withdrawn in a future version | |
121 | of the X/Open CAE Specification. Use sigaltstack instead. It is only | |
122 | implemented here for OSF/1 compatibility. */ | |
123 | ||
124 | struct sigstack { | |
125 | void __user *ss_sp; | |
126 | int ss_onstack; | |
127 | }; | |
128 | ||
129 | ||
130 | #endif /* _UAPI_ASMAXP_SIGNAL_H */ |