1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /* MN10300 Signal definitions
4 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
5 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public Licence
9 * as published by the Free Software Foundation; either version
10 * 2 of the Licence, or (at your option) any later version.
12 #ifndef _UAPI_ASM_SIGNAL_H
13 #define _UAPI_ASM_SIGNAL_H
15 #include <linux/types.h>
17 /* Avoid too many header ordering problems. */
21 /* Here we must cater to libcs that poke about in kernel headers. */
24 typedef unsigned long sigset_t;
26 #endif /* __KERNEL__ */
66 /* These should not be considered constants from userland. */
68 #define SIGRTMAX _NSIG
73 * SA_ONSTACK indicates that a registered stack_t will be used.
74 * SA_RESTART flag to get restarting signals (which were the default long ago)
75 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
76 * SA_RESETHAND clears the handler when the signal is delivered.
77 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
78 * SA_NODEFER prevents the current signal from being masked in the handler.
80 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
81 * Unix names RESETHAND and NODEFER respectively.
83 #define SA_NOCLDSTOP 0x00000001U
84 #define SA_NOCLDWAIT 0x00000002U
85 #define SA_SIGINFO 0x00000004U
86 #define SA_ONSTACK 0x08000000U
87 #define SA_RESTART 0x10000000U
88 #define SA_NODEFER 0x40000000U
89 #define SA_RESETHAND 0x80000000U
91 #define SA_NOMASK SA_NODEFER
92 #define SA_ONESHOT SA_RESETHAND
94 #define SA_RESTORER 0x04000000
96 #define MINSIGSTKSZ 2048
99 #include <asm-generic/signal-defs.h>
102 /* Here we must cater to libcs that poke about in kernel headers. */
106 __sighandler_t _sa_handler;
107 void (*_sa_sigaction)(int, struct siginfo *, void *);
110 unsigned long sa_flags;
111 void (*sa_restorer)(void);
114 #define sa_handler _u._sa_handler
115 #define sa_sigaction _u._sa_sigaction
117 #endif /* __KERNEL__ */
119 typedef struct sigaltstack {
126 #endif /* _UAPI_ASM_SIGNAL_H */