1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI__ASM_GENERIC_SIGNAL_H 3#define _UAPI__ASM_GENERIC_SIGNAL_H 4 5#include <linux/types.h> 6 7#define _NSIG 64 8#define _NSIG_BPW __BITS_PER_LONG 9#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 10 11#define SIGHUP 1 12#define SIGINT 2 13#define SIGQUIT 3 14#define SIGILL 4 15#define SIGTRAP 5 16#define SIGABRT 6 17#define SIGIOT 6 18#define SIGBUS 7 19#define SIGFPE 8 20#define SIGKILL 9 21#define SIGUSR1 10 22#define SIGSEGV 11 23#define SIGUSR2 12 24#define SIGPIPE 13 25#define SIGALRM 14 26#define SIGTERM 15 27#define SIGSTKFLT 16 28#define SIGCHLD 17 29#define SIGCONT 18 30#define SIGSTOP 19 31#define SIGTSTP 20 32#define SIGTTIN 21 33#define SIGTTOU 22 34#define SIGURG 23 35#define SIGXCPU 24 36#define SIGXFSZ 25 37#define SIGVTALRM 26 38#define SIGPROF 27 39#define SIGWINCH 28 40#define SIGIO 29 41#define SIGPOLL SIGIO 42/* 43#define SIGLOST 29 44*/ 45#define SIGPWR 30 46#define SIGSYS 31 47#define SIGUNUSED 31 48 49/* These should not be considered constants from userland. */ 50#define SIGRTMIN 32 51#ifndef SIGRTMAX 52#define SIGRTMAX _NSIG 53#endif 54 55/* 56 * SA_FLAGS values: 57 * 58 * SA_ONSTACK indicates that a registered stack_t will be used. 59 * SA_RESTART flag to get restarting signals (which were the default long ago) 60 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 61 * SA_RESETHAND clears the handler when the signal is delivered. 62 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 63 * SA_NODEFER prevents the current signal from being masked in the handler. 64 * 65 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 66 * Unix names RESETHAND and NODEFER respectively. 67 */ 68#define SA_NOCLDSTOP 0x00000001 69#define SA_NOCLDWAIT 0x00000002 70#define SA_SIGINFO 0x00000004 71#define SA_ONSTACK 0x08000000 72#define SA_RESTART 0x10000000 73#define SA_NODEFER 0x40000000 74#define SA_RESETHAND 0x80000000 75 76#define SA_NOMASK SA_NODEFER 77#define SA_ONESHOT SA_RESETHAND 78 79/* 80 * New architectures should not define the obsolete 81 * SA_RESTORER 0x04000000 82 */ 83 84#if !defined MINSIGSTKSZ || !defined SIGSTKSZ 85#define MINSIGSTKSZ 2048 86#define SIGSTKSZ 8192 87#endif 88 89#ifndef __ASSEMBLY__ 90typedef struct { 91 unsigned long sig[_NSIG_WORDS]; 92} sigset_t; 93 94/* not actually used, but required for linux/syscalls.h */ 95typedef unsigned long old_sigset_t; 96 97#include <asm-generic/signal-defs.h> 98 99#ifdef SA_RESTORER 100#define __ARCH_HAS_SA_RESTORER 101#endif 102 103#ifndef __KERNEL__ 104struct sigaction { 105 __sighandler_t sa_handler; 106 unsigned long sa_flags; 107#ifdef SA_RESTORER 108 __sigrestore_t sa_restorer; 109#endif 110 sigset_t sa_mask; /* mask last for extensibility */ 111}; 112#endif 113 114typedef struct sigaltstack { 115 void __user *ss_sp; 116 int ss_flags; 117 size_t ss_size; 118} stack_t; 119 120#endif /* __ASSEMBLY__ */ 121 122#endif /* _UAPI__ASM_GENERIC_SIGNAL_H */ 123