/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_GENERIC_SIGNAL_H #define __ASM_GENERIC_SIGNAL_H #include <linux/types.h> #define _NSIG 64 #define _NSIG_BPW __BITS_PER_LONG #define _NSIG_WORDS (_NSIG / _NSIG_BPW) #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGBUS 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGUSR1 10 #define SIGSEGV 11 #define SIGUSR2 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGSTKFLT 16 #define SIGCHLD 17 #define SIGCONT 18 #define SIGSTOP 19 #define SIGTSTP 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGURG 23 #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGIO 29 #define SIGPOLL SIGIO /* #define SIGLOST 29 */ #define SIGPWR 30 #define SIGSYS 31 #define SIGUNUSED 31 /* These should not be considered constants from userland. */ #define SIGRTMIN 32 #ifndef SIGRTMAX #define SIGRTMAX _NSIG #endif /* * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. * SA_NODEFER prevents the current signal from being masked in the handler. * * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single * Unix names RESETHAND and NODEFER respectively. */ #define SA_NOCLDSTOP 0x00000001 #define SA_NOCLDWAIT 0x00000002 #define SA_SIGINFO 0x00000004 #define SA_ONSTACK 0x08000000 #define SA_RESTART 0x10000000 #define SA_NODEFER 0x40000000 #define SA_RESETHAND 0x80000000 #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND /* * New architectures should not define the obsolete * SA_RESTORER 0x04000000 */ #if !defined MINSIGSTKSZ || !defined SIGSTKSZ #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 #endif #ifndef __ASSEMBLY__ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; /* not actually used, but required for linux/syscalls.h */ typedef unsigned long old_sigset_t; #include <asm-generic/signal-defs.h> #ifdef SA_RESTORER #define __ARCH_HAS_SA_RESTORER #endif struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; #ifdef SA_RESTORER __sigrestore_t sa_restorer; #endif sigset_t sa_mask; /* mask last for extensibility */ }; typedef struct sigaltstack { void *ss_sp; int ss_flags; size_t ss_size; } stack_t; #endif /* __ASSEMBLY__ */ #endif /* __ASM_GENERIC_SIGNAL_H */

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