1 /* $NetBSD: linux_signal.h,v 1.9 2008/04/28 20:23:42 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Eric Haszlakiewicz. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Whoever decided how linux would handle 34 * binary compatibility should be shot. 35 */ 36 37 #ifndef _ALPHA_LINUX_SIGNAL_H 38 #define _ALPHA_LINUX_SIGNAL_H 39 40 #define LINUX_SIGHUP 1 41 #define LINUX_SIGINT 2 42 #define LINUX_SIGQUIT 3 43 #define LINUX_SIGILL 4 44 #define LINUX_SIGTRAP 5 45 #define LINUX_SIGABRT 6 46 #define LINUX_SIGEMT 7 47 #define LINUX_SIGFPE 8 48 #define LINUX_SIGKILL 9 49 #define LINUX_SIGBUS 10 50 #define LINUX_SIGSEGV 11 51 #define LINUX_SIGSYS 12 52 #define LINUX_SIGPIPE 13 53 #define LINUX_SIGALRM 14 54 #define LINUX_SIGTERM 15 55 #define LINUX_SIGURG 16 56 #define LINUX_SIGSTOP 17 57 #define LINUX_SIGTSTP 18 58 #define LINUX_SIGCONT 19 59 #define LINUX_SIGCHLD 20 60 #define LINUX_SIGTTIN 21 61 #define LINUX_SIGTTOU 22 62 #define LINUX_SIGIO 23 63 #define LINUX_SIGXCPU 24 64 #define LINUX_SIGXFSZ 25 65 #define LINUX_SIGVTALRM 26 66 #define LINUX_SIGPROF 27 67 #define LINUX_SIGWINCH 28 68 #define LINUX_SIGINFO 29 69 #define LINUX_SIGUSR1 30 70 #define LINUX_SIGUSR2 31 71 72 #define LINUX_SIGIOT LINUX_SIGABRT 73 #define LINUX_SIGPWR LINUX_SIGINFO 74 #define LINUX_SIGPOLL LINUX_SIGIO 75 76 /* Min/max real-time linux signal */ 77 #define LINUX_SIGRTMIN 32 78 #define LINUX_SIGRTMAX (LINUX__NSIG - 1) 79 80 #define LINUX__NSIG 64 81 #define LINUX__NSIG_BPW 64 82 #define LINUX__NSIG_WORDS (LINUX__NSIG / LINUX__NSIG_BPW) 83 #define LINUX_NSIG 32 84 85 #define LINUX_MINSIGSTKSZ 4096 86 87 /* sa_flags */ 88 #define LINUX_SA_ONSTACK 0x00000001 89 #define LINUX_SA_RESTART 0x00000002 90 #define LINUX_SA_NOCLDSTOP 0x00000004 91 #define LINUX_SA_NODEFER 0x00000008 92 #define LINUX_SA_RESETHAND 0x00000010 93 #define LINUX_SA_NOCLDWAIT 0x00000020 94 #define LINUX_SA_SIGINFO 0x00000040 95 #define LINUX_SA_RESTORER 0x04000000 96 97 #define LINUX_SA_NOMASK LINUX_SA_NODEFER 98 #define LINUX_SA_ONESHOT LINUX_SA_RESETHAND 99 #define LINUX_SA_INTERRUPT 0x20000000 /* Ignore this */ 100 101 #define LINUX_SA_ALLBITS 0x2400007f 102 103 #define LINUX_SIG_BLOCK 1 104 #define LINUX_SIG_UNBLOCK 2 105 #define LINUX_SIG_SETMASK 3 106 107 typedef void (*linux_handler_t)(int); 108 109 typedef u_long linux_old_sigset_t; 110 typedef struct { 111 u_long sig[LINUX__NSIG_WORDS]; 112 } linux_sigset_t; 113 114 /* aka osf_sigaction in Linux sources. Note absence of sa_restorer */ 115 struct linux_old_sigaction { 116 linux_handler_t linux_sa_handler; 117 linux_old_sigset_t linux_sa_mask; 118 int linux_sa_flags; 119 }; 120 121 /* Used in rt_* calls */ 122 struct linux_sigaction { 123 linux_handler_t linux_sa_handler; 124 u_long linux_sa_flags; 125 linux_sigset_t linux_sa_mask; 126 }; 127 128 struct linux_k_sigaction { 129 struct linux_sigaction sa; 130 void (*k_sa_restorer)(void); 131 }; 132 133 typedef struct linux_sigaltstack { 134 void *ss_sp; 135 int ss_flags; 136 size_t ss_size; 137 } linux_stack_t; 138 139 #endif /* !_ALPHA_LINUX_SIGNAL_H */ 140