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 92 typedef struct { 93 unsigned long sig[LINUX__NSIG_WORDS]; 94 } linux_sigset_t; 95 96 typedef void (*linux_handler_t)(int); 97 98 struct 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 }; 110 111 typedef 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