1/* $NetBSD: linux_signal.h,v 1.1 2021/09/23 06:56:27 ryo Exp $ */ 2 3/*- 4 * Copyright (c) 2021 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef _AARCH64_LINUX_SIGNAL_H 30#define _AARCH64_LINUX_SIGNAL_H 31 32#define LINUX_SIGHUP 1 33#define LINUX_SIGINT 2 34#define LINUX_SIGQUIT 3 35#define LINUX_SIGILL 4 36#define LINUX_SIGTRAP 5 37#define LINUX_SIGABRT 6 38#define LINUX_SIGIOT 6 39#define LINUX_SIGBUS 7 40#define LINUX_SIGFPE 8 41#define LINUX_SIGKILL 9 42#define LINUX_SIGUSR1 10 43#define LINUX_SIGSEGV 11 44#define LINUX_SIGUSR2 12 45#define LINUX_SIGPIPE 13 46#define LINUX_SIGALRM 14 47#define LINUX_SIGTERM 15 48#define LINUX_SIGSTKFLT 16 49#define LINUX_SIGCHLD 17 50#define LINUX_SIGCONT 18 51#define LINUX_SIGSTOP 19 52#define LINUX_SIGTSTP 20 53#define LINUX_SIGTTIN 21 54#define LINUX_SIGTTOU 22 55#define LINUX_SIGURG 23 56#define LINUX_SIGXCPU 24 57#define LINUX_SIGXFSZ 25 58#define LINUX_SIGVTALRM 26 59#define LINUX_SIGPROF 27 60#define LINUX_SIGWINCH 28 61#define LINUX_SIGIO 29 62#define LINUX_SIGPWR 30 63#define LINUX_SIGSYS 31 64/* SIGCANCEL=32, SIGSETXID=33 */ 65#define LINUX_SIGRTMIN 34 66#define LINUX_SIGRTMAX 64 67 68 69#define LINUX_SS_ONSTACK 1 70#define LINUX_SS_DISABLE 2 71 72#define LINUX_SA_NOCLDSTOP 0x00000001 73#define LINUX_SA_NOCLDWAIT 0x00000002 74#define LINUX_SA_SIGINFO 0x00000004 75#define LINUX_SA_ONSTACK 0x08000000 76#define LINUX_SA_RESTART 0x10000000 77#define LINUX_SA_NOMASK 0x40000000 78#define LINUX_SA_ONESHOT 0x80000000 79#define LINUX_SA_ALLBITS 0xd8000007 80 81 82#define LINUX_SIG_BLOCK 0 83#define LINUX_SIG_UNBLOCK 1 84#define LINUX_SIG_SETMASK 2 85 86#define LINUX__NSIG (LINUX_SIGRTMAX + 1) 87#define LINUX__NSIG_BPW 64 88#define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW) 89 90#define LINUX_MINSIGSTKSZ 2048 91 92typedef struct { 93 unsigned long sig[LINUX__NSIG_WORDS]; 94} linux_sigset_t; 95 96typedef void (*linux_handler_t)(int); 97 98struct linux_sigaction { 99 linux_handler_t linux_sa_handler; 100 unsigned long linux_sa_flags; 101 102 /* 103 * linux/arm64 doesn't use sa_restorer, 104 * but struct sigaction has it for compatibility. 105 */ 106 void (*linux_sa_restorer)(void); 107 108 linux_sigset_t linux_sa_mask; 109}; 110 111typedef struct linux_sigaltstack { 112 void *ss_sp; 113 int ss_flags; 114 size_t ss_size; 115} linux_stack_t; 116 117#endif /* !_AARCH64_LINUX_SIGNAL_H */ 118