1 /* 2 * Copyright (C) 2004-2006 Atmel Corporation 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 #ifndef __ASM_AVR32_SIGNAL_H 9 #define __ASM_AVR32_SIGNAL_H 10 11 #include <linux/types.h> 12 13 /* Avoid too many header ordering problems. */ 14 struct siginfo; 15 16 #ifdef __KERNEL__ 17 /* Most things should be clean enough to redefine this at will, if care 18 is taken to make libc match. */ 19 20 #define _NSIG 64 21 #define _NSIG_BPW 32 22 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 23 24 typedef unsigned long old_sigset_t; /* at least 32 bits */ 25 26 typedef struct { 27 unsigned long sig[_NSIG_WORDS]; 28 } sigset_t; 29 30 #else 31 /* Here we must cater to libcs that poke about in kernel headers. */ 32 33 #define NSIG 32 34 typedef unsigned long sigset_t; 35 36 #endif /* __KERNEL__ */ 37 38 #define SIGHUP 1 39 #define SIGINT 2 40 #define SIGQUIT 3 41 #define SIGILL 4 42 #define SIGTRAP 5 43 #define SIGABRT 6 44 #define SIGIOT 6 45 #define SIGBUS 7 46 #define SIGFPE 8 47 #define SIGKILL 9 48 #define SIGUSR1 10 49 #define SIGSEGV 11 50 #define SIGUSR2 12 51 #define SIGPIPE 13 52 #define SIGALRM 14 53 #define SIGTERM 15 54 #define SIGSTKFLT 16 55 #define SIGCHLD 17 56 #define SIGCONT 18 57 #define SIGSTOP 19 58 #define SIGTSTP 20 59 #define SIGTTIN 21 60 #define SIGTTOU 22 61 #define SIGURG 23 62 #define SIGXCPU 24 63 #define SIGXFSZ 25 64 #define SIGVTALRM 26 65 #define SIGPROF 27 66 #define SIGWINCH 28 67 #define SIGIO 29 68 #define SIGPOLL SIGIO 69 /* 70 #define SIGLOST 29 71 */ 72 #define SIGPWR 30 73 #define SIGSYS 31 74 #define SIGUNUSED 31 75 76 /* These should not be considered constants from userland. */ 77 #define SIGRTMIN 32 78 #define SIGRTMAX (_NSIG-1) 79 80 /* 81 * SA_FLAGS values: 82 * 83 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 84 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 85 * SA_SIGINFO deliver the signal with SIGINFO structs 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_NODEFER prevents the current signal from being masked in the handler. 89 * SA_RESETHAND clears the handler when the signal is delivered. 90 * 91 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 92 * Unix names RESETHAND and NODEFER respectively. 93 */ 94 #define SA_NOCLDSTOP 0x00000001 95 #define SA_NOCLDWAIT 0x00000002 96 #define SA_SIGINFO 0x00000004 97 #define SA_RESTORER 0x04000000 98 #define SA_ONSTACK 0x08000000 99 #define SA_RESTART 0x10000000 100 #define SA_NODEFER 0x40000000 101 #define SA_RESETHAND 0x80000000 102 103 #define SA_NOMASK SA_NODEFER 104 #define SA_ONESHOT SA_RESETHAND 105 106 /* 107 * sigaltstack controls 108 */ 109 #define SS_ONSTACK 1 110 #define SS_DISABLE 2 111 112 #define MINSIGSTKSZ 2048 113 #define SIGSTKSZ 8192 114 115 #include <asm-generic/signal-defs.h> 116 117 #ifdef __KERNEL__ 118 struct old_sigaction { 119 __sighandler_t sa_handler; 120 old_sigset_t sa_mask; 121 unsigned long sa_flags; 122 __sigrestore_t sa_restorer; 123 }; 124 125 struct sigaction { 126 __sighandler_t sa_handler; 127 unsigned long sa_flags; 128 __sigrestore_t sa_restorer; 129 sigset_t sa_mask; /* mask last for extensibility */ 130 }; 131 #define __ARCH_HAS_SA_RESTORER 132 133 struct k_sigaction { 134 struct sigaction sa; 135 }; 136 #else 137 /* Here we must cater to libcs that poke about in kernel headers. */ 138 139 struct sigaction { 140 union { 141 __sighandler_t _sa_handler; 142 void (*_sa_sigaction)(int, struct siginfo *, void *); 143 } _u; 144 sigset_t sa_mask; 145 unsigned long sa_flags; 146 void (*sa_restorer)(void); 147 }; 148 149 #define sa_handler _u._sa_handler 150 #define sa_sigaction _u._sa_sigaction 151 152 #endif /* __KERNEL__ */ 153 154 typedef struct sigaltstack { 155 void __user *ss_sp; 156 int ss_flags; 157 size_t ss_size; 158 } stack_t; 159 160 #ifdef __KERNEL__ 161 162 #include <asm/sigcontext.h> 163 #undef __HAVE_ARCH_SIG_BITOPS 164 165 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 166 167 #endif /* __KERNEL__ */ 168 169 #endif 170