xref: /linux/arch/s390/include/uapi/asm/signal.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  *  S390 version
3  *
4  *  Derived from "include/asm-i386/signal.h"
5  */
6 
7 #ifndef _UAPI_ASMS390_SIGNAL_H
8 #define _UAPI_ASMS390_SIGNAL_H
9 
10 #include <linux/types.h>
11 #include <linux/time.h>
12 
13 /* Avoid too many header ordering problems.  */
14 struct siginfo;
15 struct pt_regs;
16 
17 #ifndef __KERNEL__
18 /* Here we must cater to libcs that poke about in kernel headers.  */
19 
20 #define NSIG            32
21 typedef unsigned long sigset_t;
22 
23 #endif /* __KERNEL__ */
24 
25 #define SIGHUP           1
26 #define SIGINT           2
27 #define SIGQUIT          3
28 #define SIGILL           4
29 #define SIGTRAP          5
30 #define SIGABRT          6
31 #define SIGIOT           6
32 #define SIGBUS           7
33 #define SIGFPE           8
34 #define SIGKILL          9
35 #define SIGUSR1         10
36 #define SIGSEGV         11
37 #define SIGUSR2         12
38 #define SIGPIPE         13
39 #define SIGALRM         14
40 #define SIGTERM         15
41 #define SIGSTKFLT       16
42 #define SIGCHLD         17
43 #define SIGCONT         18
44 #define SIGSTOP         19
45 #define SIGTSTP         20
46 #define SIGTTIN         21
47 #define SIGTTOU         22
48 #define SIGURG          23
49 #define SIGXCPU         24
50 #define SIGXFSZ         25
51 #define SIGVTALRM       26
52 #define SIGPROF         27
53 #define SIGWINCH        28
54 #define SIGIO           29
55 #define SIGPOLL         SIGIO
56 /*
57 #define SIGLOST         29
58 */
59 #define SIGPWR          30
60 #define SIGSYS		31
61 #define SIGUNUSED       31
62 
63 /* These should not be considered constants from userland.  */
64 #define SIGRTMIN        32
65 #define SIGRTMAX        _NSIG
66 
67 /*
68  * SA_FLAGS values:
69  *
70  * SA_ONSTACK indicates that a registered stack_t will be used.
71  * SA_RESTART flag to get restarting signals (which were the default long ago)
72  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
73  * SA_RESETHAND clears the handler when the signal is delivered.
74  * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
75  * SA_NODEFER prevents the current signal from being masked in the handler.
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_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 SA_RESTORER     0x04000000
92 
93 #define MINSIGSTKSZ     2048
94 #define SIGSTKSZ        8192
95 
96 #include <asm-generic/signal-defs.h>
97 
98 #ifndef __KERNEL__
99 /* Here we must cater to libcs that poke about in kernel headers.  */
100 
101 struct sigaction {
102         union {
103           __sighandler_t _sa_handler;
104           void (*_sa_sigaction)(int, struct siginfo *, void *);
105         } _u;
106 #ifndef __s390x__ /* lovely */
107         sigset_t sa_mask;
108         unsigned long sa_flags;
109         void (*sa_restorer)(void);
110 #else  /* __s390x__ */
111         unsigned long sa_flags;
112         void (*sa_restorer)(void);
113 	sigset_t sa_mask;
114 #endif /* __s390x__ */
115 };
116 
117 #define sa_handler      _u._sa_handler
118 #define sa_sigaction    _u._sa_sigaction
119 
120 #endif /* __KERNEL__ */
121 
122 typedef struct sigaltstack {
123         void __user *ss_sp;
124         int ss_flags;
125         size_t ss_size;
126 } stack_t;
127 
128 
129 #endif /* _UAPI_ASMS390_SIGNAL_H */
130