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__ 90 typedef struct { 91 unsigned long sig[_NSIG_WORDS]; 92 } sigset_t; 93 94 /* not actually used, but required for linux/syscalls.h */ 95 typedef 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__ 104 struct 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 113 114 typedef 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
