1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2#ifndef _UAPI_ASMAXP_SIGNAL_H 3#define _UAPI_ASMAXP_SIGNAL_H 4 5#include <linux/types.h> 6 7/* Avoid too many header ordering problems. */ 8struct siginfo; 9 10#ifndef __KERNEL__ 11/* Here we must cater to libcs that poke about in kernel headers. */ 12 13#define NSIG 32 14typedef unsigned long sigset_t; 15 16#endif /* __KERNEL__ */ 17 18 19/* 20 * Linux/AXP has different signal numbers that Linux/i386: I'm trying 21 * to make it OSF/1 binary compatible, at least for normal binaries. 22 */ 23#define SIGHUP 1 24#define SIGINT 2 25#define SIGQUIT 3 26#define SIGILL 4 27#define SIGTRAP 5 28#define SIGABRT 6 29#define SIGEMT 7 30#define SIGFPE 8 31#define SIGKILL 9 32#define SIGBUS 10 33#define SIGSEGV 11 34#define SIGSYS 12 35#define SIGPIPE 13 36#define SIGALRM 14 37#define SIGTERM 15 38#define SIGURG 16 39#define SIGSTOP 17 40#define SIGTSTP 18 41#define SIGCONT 19 42#define SIGCHLD 20 43#define SIGTTIN 21 44#define SIGTTOU 22 45#define SIGIO 23 46#define SIGXCPU 24 47#define SIGXFSZ 25 48#define SIGVTALRM 26 49#define SIGPROF 27 50#define SIGWINCH 28 51#define SIGINFO 29 52#define SIGUSR1 30 53#define SIGUSR2 31 54 55#define SIGPOLL SIGIO 56#define SIGPWR SIGINFO 57#define SIGIOT SIGABRT 58 59/* These should not be considered constants from userland. */ 60#define SIGRTMIN 32 61#define SIGRTMAX _NSIG 62 63/* 64 * SA_FLAGS values: 65 * 66 * SA_ONSTACK indicates that a registered stack_t will be used. 67 * SA_RESTART flag to get restarting signals (which were the default long ago) 68 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 69 * SA_RESETHAND clears the handler when the signal is delivered. 70 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 71 * SA_NODEFER prevents the current signal from being masked in the handler. 72 * 73 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 74 * Unix names RESETHAND and NODEFER respectively. 75 */ 76 77#define SA_ONSTACK 0x00000001 78#define SA_RESTART 0x00000002 79#define SA_NOCLDSTOP 0x00000004 80#define SA_NODEFER 0x00000008 81#define SA_RESETHAND 0x00000010 82#define SA_NOCLDWAIT 0x00000020 83#define SA_SIGINFO 0x00000040 84 85#define SA_ONESHOT SA_RESETHAND 86#define SA_NOMASK SA_NODEFER 87 88#define MINSIGSTKSZ 4096 89#define SIGSTKSZ 16384 90 91#define SIG_BLOCK 1 /* for blocking signals */ 92#define SIG_UNBLOCK 2 /* for unblocking signals */ 93#define SIG_SETMASK 3 /* for setting the signal mask */ 94 95#include <asm-generic/signal-defs.h> 96 97#ifndef __KERNEL__ 98/* Here we must cater to libcs that poke about in kernel headers. */ 99 100struct sigaction { 101 union { 102 __sighandler_t _sa_handler; 103 void (*_sa_sigaction)(int, struct siginfo *, void *); 104 } _u; 105 sigset_t sa_mask; 106 int sa_flags; 107}; 108 109#define sa_handler _u._sa_handler 110#define sa_sigaction _u._sa_sigaction 111 112#endif /* __KERNEL__ */ 113 114typedef struct sigaltstack { 115 void __user *ss_sp; 116 int ss_flags; 117 size_t ss_size; 118} stack_t; 119 120/* sigstack(2) is deprecated, and will be withdrawn in a future version 121 of the X/Open CAE Specification. Use sigaltstack instead. It is only 122 implemented here for OSF/1 compatibility. */ 123 124struct sigstack { 125 void __user *ss_sp; 126 int ss_onstack; 127}; 128 129 130#endif /* _UAPI_ASMAXP_SIGNAL_H */ 131