1 /* MN10300 Signal definitions 2 * 3 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. 4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 #ifndef _ASM_SIGNAL_H 12 #define _ASM_SIGNAL_H 13 14 #include <linux/types.h> 15 16 /* Avoid too many header ordering problems. */ 17 struct siginfo; 18 19 #ifdef __KERNEL__ 20 /* Most things should be clean enough to redefine this at will, if care 21 is taken to make libc match. */ 22 23 #define _NSIG 64 24 #define _NSIG_BPW 32 25 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 26 27 typedef unsigned long old_sigset_t; /* at least 32 bits */ 28 29 typedef struct { 30 unsigned long sig[_NSIG_WORDS]; 31 } sigset_t; 32 33 #else 34 /* Here we must cater to libcs that poke about in kernel headers. */ 35 36 #define NSIG 32 37 typedef unsigned long sigset_t; 38 39 #endif /* __KERNEL__ */ 40 41 #define SIGHUP 1 42 #define SIGINT 2 43 #define SIGQUIT 3 44 #define SIGILL 4 45 #define SIGTRAP 5 46 #define SIGABRT 6 47 #define SIGIOT 6 48 #define SIGBUS 7 49 #define SIGFPE 8 50 #define SIGKILL 9 51 #define SIGUSR1 10 52 #define SIGSEGV 11 53 #define SIGUSR2 12 54 #define SIGPIPE 13 55 #define SIGALRM 14 56 #define SIGTERM 15 57 #define SIGSTKFLT 16 58 #define SIGCHLD 17 59 #define SIGCONT 18 60 #define SIGSTOP 19 61 #define SIGTSTP 20 62 #define SIGTTIN 21 63 #define SIGTTOU 22 64 #define SIGURG 23 65 #define SIGXCPU 24 66 #define SIGXFSZ 25 67 #define SIGVTALRM 26 68 #define SIGPROF 27 69 #define SIGWINCH 28 70 #define SIGIO 29 71 #define SIGPOLL SIGIO 72 /* 73 #define SIGLOST 29 74 */ 75 #define SIGPWR 30 76 #define SIGSYS 31 77 #define SIGUNUSED 31 78 79 /* These should not be considered constants from userland. */ 80 #define SIGRTMIN 32 81 #define SIGRTMAX _NSIG 82 83 /* 84 * SA_FLAGS values: 85 * 86 * SA_ONSTACK indicates that a registered stack_t will be used. 87 * SA_RESTART flag to get restarting signals (which were the default long ago) 88 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 89 * SA_RESETHAND clears the handler when the signal is delivered. 90 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 91 * SA_NODEFER prevents the current signal from being masked in the handler. 92 * 93 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 94 * Unix names RESETHAND and NODEFER respectively. 95 */ 96 #define SA_NOCLDSTOP 0x00000001U 97 #define SA_NOCLDWAIT 0x00000002U 98 #define SA_SIGINFO 0x00000004U 99 #define SA_ONSTACK 0x08000000U 100 #define SA_RESTART 0x10000000U 101 #define SA_NODEFER 0x40000000U 102 #define SA_RESETHAND 0x80000000U 103 104 #define SA_NOMASK SA_NODEFER 105 #define SA_ONESHOT SA_RESETHAND 106 107 #define SA_RESTORER 0x04000000 108 109 /* 110 * sigaltstack controls 111 */ 112 #define SS_ONSTACK 1 113 #define SS_DISABLE 2 114 115 #define MINSIGSTKSZ 2048 116 #define SIGSTKSZ 8192 117 118 #include <asm-generic/signal-defs.h> 119 120 #ifdef __KERNEL__ 121 struct old_sigaction { 122 __sighandler_t sa_handler; 123 old_sigset_t sa_mask; 124 unsigned long sa_flags; 125 __sigrestore_t sa_restorer; 126 }; 127 128 struct sigaction { 129 __sighandler_t sa_handler; 130 unsigned long sa_flags; 131 __sigrestore_t sa_restorer; 132 sigset_t sa_mask; /* mask last for extensibility */ 133 }; 134 135 struct k_sigaction { 136 struct sigaction sa; 137 }; 138 #else 139 /* Here we must cater to libcs that poke about in kernel headers. */ 140 141 struct sigaction { 142 union { 143 __sighandler_t _sa_handler; 144 void (*_sa_sigaction)(int, struct siginfo *, void *); 145 } _u; 146 sigset_t sa_mask; 147 unsigned long sa_flags; 148 void (*sa_restorer)(void); 149 }; 150 151 #define sa_handler _u._sa_handler 152 #define sa_sigaction _u._sa_sigaction 153 154 #endif /* __KERNEL__ */ 155 156 typedef struct sigaltstack { 157 void __user *ss_sp; 158 int ss_flags; 159 size_t ss_size; 160 } stack_t; 161 162 #ifdef __KERNEL__ 163 #include <asm/sigcontext.h> 164 165 166 struct pt_regs; 167 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 168 169 #endif /* __KERNEL__ */ 170 171 #endif /* _ASM_SIGNAL_H */ 172