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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * S390 version
4 *
5 * Derived from "include/asm-i386/signal.h"
6 */
7
8#ifndef _UAPI_ASMS390_SIGNAL_H
9#define _UAPI_ASMS390_SIGNAL_H
10
11#include <linux/types.h>
12#include <linux/time.h>
13
14/* Avoid too many header ordering problems. */
15struct siginfo;
16struct pt_regs;
17
18#ifndef __KERNEL__
19/* Here we must cater to libcs that poke about in kernel headers. */
20
21#define NSIG 32
22typedef unsigned long sigset_t;
23
24#endif /* __KERNEL__ */
25
26#define SIGHUP 1
27#define SIGINT 2
28#define SIGQUIT 3
29#define SIGILL 4
30#define SIGTRAP 5
31#define SIGABRT 6
32#define SIGIOT 6
33#define SIGBUS 7
34#define SIGFPE 8
35#define SIGKILL 9
36#define SIGUSR1 10
37#define SIGSEGV 11
38#define SIGUSR2 12
39#define SIGPIPE 13
40#define SIGALRM 14
41#define SIGTERM 15
42#define SIGSTKFLT 16
43#define SIGCHLD 17
44#define SIGCONT 18
45#define SIGSTOP 19
46#define SIGTSTP 20
47#define SIGTTIN 21
48#define SIGTTOU 22
49#define SIGURG 23
50#define SIGXCPU 24
51#define SIGXFSZ 25
52#define SIGVTALRM 26
53#define SIGPROF 27
54#define SIGWINCH 28
55#define SIGIO 29
56#define SIGPOLL SIGIO
57/*
58#define SIGLOST 29
59*/
60#define SIGPWR 30
61#define SIGSYS 31
62#define SIGUNUSED 31
63
64/* These should not be considered constants from userland. */
65#define SIGRTMIN 32
66#define SIGRTMAX _NSIG
67
68#define SA_RESTORER 0x04000000
69
70#define MINSIGSTKSZ 2048
71#define SIGSTKSZ 8192
72
73#include <asm-generic/signal-defs.h>
74
75#ifndef __KERNEL__
76
77/*
78 * There are two system calls in regard to sigaction, sys_rt_sigaction
79 * and sys_sigaction. Internally the kernel uses the struct old_sigaction
80 * for the older sys_sigaction system call, and the kernel version of the
81 * struct sigaction for the newer sys_rt_sigaction.
82 *
83 * The uapi definition for struct sigaction has made a strange distinction
84 * between 31-bit and 64-bit in the past. For 64-bit the uapi structure
85 * looks like the kernel struct sigaction, but for 31-bit it used to
86 * look like the kernel struct old_sigaction. That practically made the
87 * structure unusable for either system call. To get around this problem
88 * the glibc always had its own definitions for the sigaction structures.
89 *
90 * The current struct sigaction uapi definition below is suitable for the
91 * sys_rt_sigaction system call only.
92 */
93struct sigaction {
94 union {
95 __sighandler_t _sa_handler;
96 void (*_sa_sigaction)(int, struct siginfo *, void *);
97 } _u;
98 unsigned long sa_flags;
99 void (*sa_restorer)(void);
100 sigset_t sa_mask;
101};
102
103#define sa_handler _u._sa_handler
104#define sa_sigaction _u._sa_sigaction
105
106#endif /* __KERNEL__ */
107
108typedef struct sigaltstack {
109 void __user *ss_sp;
110 int ss_flags;
111 size_t ss_size;
112} stack_t;
113
114
115#endif /* _UAPI_ASMS390_SIGNAL_H */
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * S390 version
4 *
5 * Derived from "include/asm-i386/signal.h"
6 */
7
8#ifndef _UAPI_ASMS390_SIGNAL_H
9#define _UAPI_ASMS390_SIGNAL_H
10
11#include <linux/types.h>
12#include <linux/time.h>
13
14/* Avoid too many header ordering problems. */
15struct siginfo;
16struct pt_regs;
17
18#ifndef __KERNEL__
19/* Here we must cater to libcs that poke about in kernel headers. */
20
21#define NSIG 32
22typedef unsigned long sigset_t;
23
24#endif /* __KERNEL__ */
25
26#define SIGHUP 1
27#define SIGINT 2
28#define SIGQUIT 3
29#define SIGILL 4
30#define SIGTRAP 5
31#define SIGABRT 6
32#define SIGIOT 6
33#define SIGBUS 7
34#define SIGFPE 8
35#define SIGKILL 9
36#define SIGUSR1 10
37#define SIGSEGV 11
38#define SIGUSR2 12
39#define SIGPIPE 13
40#define SIGALRM 14
41#define SIGTERM 15
42#define SIGSTKFLT 16
43#define SIGCHLD 17
44#define SIGCONT 18
45#define SIGSTOP 19
46#define SIGTSTP 20
47#define SIGTTIN 21
48#define SIGTTOU 22
49#define SIGURG 23
50#define SIGXCPU 24
51#define SIGXFSZ 25
52#define SIGVTALRM 26
53#define SIGPROF 27
54#define SIGWINCH 28
55#define SIGIO 29
56#define SIGPOLL SIGIO
57/*
58#define SIGLOST 29
59*/
60#define SIGPWR 30
61#define SIGSYS 31
62#define SIGUNUSED 31
63
64/* These should not be considered constants from userland. */
65#define SIGRTMIN 32
66#define SIGRTMAX _NSIG
67
68/*
69 * SA_FLAGS values:
70 *
71 * SA_ONSTACK indicates that a registered stack_t will be used.
72 * SA_RESTART flag to get restarting signals (which were the default long ago)
73 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
74 * SA_RESETHAND clears the handler when the signal is delivered.
75 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
76 * SA_NODEFER prevents the current signal from being masked in the handler.
77 *
78 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
79 * Unix names RESETHAND and NODEFER respectively.
80 */
81#define SA_NOCLDSTOP 0x00000001
82#define SA_NOCLDWAIT 0x00000002
83#define SA_SIGINFO 0x00000004
84#define SA_ONSTACK 0x08000000
85#define SA_RESTART 0x10000000
86#define SA_NODEFER 0x40000000
87#define SA_RESETHAND 0x80000000
88
89#define SA_NOMASK SA_NODEFER
90#define SA_ONESHOT SA_RESETHAND
91
92#define SA_RESTORER 0x04000000
93
94#define MINSIGSTKSZ 2048
95#define SIGSTKSZ 8192
96
97#include <asm-generic/signal-defs.h>
98
99#ifndef __KERNEL__
100
101/*
102 * There are two system calls in regard to sigaction, sys_rt_sigaction
103 * and sys_sigaction. Internally the kernel uses the struct old_sigaction
104 * for the older sys_sigaction system call, and the kernel version of the
105 * struct sigaction for the newer sys_rt_sigaction.
106 *
107 * The uapi definition for struct sigaction has made a strange distinction
108 * between 31-bit and 64-bit in the past. For 64-bit the uapi structure
109 * looks like the kernel struct sigaction, but for 31-bit it used to
110 * look like the kernel struct old_sigaction. That practically made the
111 * structure unusable for either system call. To get around this problem
112 * the glibc always had its own definitions for the sigaction structures.
113 *
114 * The current struct sigaction uapi definition below is suitable for the
115 * sys_rt_sigaction system call only.
116 */
117struct sigaction {
118 union {
119 __sighandler_t _sa_handler;
120 void (*_sa_sigaction)(int, struct siginfo *, void *);
121 } _u;
122 unsigned long sa_flags;
123 void (*sa_restorer)(void);
124 sigset_t sa_mask;
125};
126
127#define sa_handler _u._sa_handler
128#define sa_sigaction _u._sa_sigaction
129
130#endif /* __KERNEL__ */
131
132typedef struct sigaltstack {
133 void __user *ss_sp;
134 int ss_flags;
135 size_t ss_size;
136} stack_t;
137
138
139#endif /* _UAPI_ASMS390_SIGNAL_H */