1#ifndef _ASMAXP_SIGNAL_H 2#define _ASMAXP_SIGNAL_H 3 4#include <linux/types.h> 5 6/* Avoid too many header ordering problems. */ 7struct siginfo; 8 9#ifdef __KERNEL__ 10/* Digital Unix defines 64 signals. Most things should be clean enough 11 to redefine this at will, if care is taken to make libc match. */ 12 13#define _NSIG 64 14#define _NSIG_BPW 64 15#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 16 17typedef unsigned long old_sigset_t; /* at least 32 bits */ 18 19typedef struct { 20 unsigned long sig[_NSIG_WORDS]; 21} sigset_t; 22 23#else 24/* Here we must cater to libcs that poke about in kernel headers. */ 25 26#define NSIG 32 27typedef unsigned long sigset_t; 28 29#endif /* __KERNEL__ */ 30 31 32/* 33 * Linux/AXP has different signal numbers that Linux/i386: I'm trying 34 * to make it OSF/1 binary compatible, at least for normal binaries. 35 */ 36#define SIGHUP 1 37#define SIGINT 2 38#define SIGQUIT 3 39#define SIGILL 4 40#define SIGTRAP 5 41#define SIGABRT 6 42#define SIGEMT 7 43#define SIGFPE 8 44#define SIGKILL 9 45#define SIGBUS 10 46#define SIGSEGV 11 47#define SIGSYS 12 48#define SIGPIPE 13 49#define SIGALRM 14 50#define SIGTERM 15 51#define SIGURG 16 52#define SIGSTOP 17 53#define SIGTSTP 18 54#define SIGCONT 19 55#define SIGCHLD 20 56#define SIGTTIN 21 57#define SIGTTOU 22 58#define SIGIO 23 59#define SIGXCPU 24 60#define SIGXFSZ 25 61#define SIGVTALRM 26 62#define SIGPROF 27 63#define SIGWINCH 28 64#define SIGINFO 29 65#define SIGUSR1 30 66#define SIGUSR2 31 67 68#define SIGPOLL SIGIO 69#define SIGPWR SIGINFO 70#define SIGIOT SIGABRT 71 72/* These should not be considered constants from userland. */ 73#define SIGRTMIN 32 74#define SIGRTMAX _NSIG 75 76/* 77 * SA_FLAGS values: 78 * 79 * SA_ONSTACK indicates that a registered stack_t will be used. 80 * SA_RESTART flag to get restarting signals (which were the default long ago) 81 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 82 * SA_RESETHAND clears the handler when the signal is delivered. 83 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 84 * SA_NODEFER prevents the current signal from being masked in the handler. 85 * 86 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 87 * Unix names RESETHAND and NODEFER respectively. 88 */ 89 90#define SA_ONSTACK 0x00000001 91#define SA_RESTART 0x00000002 92#define SA_NOCLDSTOP 0x00000004 93#define SA_NODEFER 0x00000008 94#define SA_RESETHAND 0x00000010 95#define SA_NOCLDWAIT 0x00000020 96#define SA_SIGINFO 0x00000040 97 98#define SA_ONESHOT SA_RESETHAND 99#define SA_NOMASK SA_NODEFER 100 101/* 102 * sigaltstack controls 103 */ 104#define SS_ONSTACK 1 105#define SS_DISABLE 2 106 107#define MINSIGSTKSZ 4096 108#define SIGSTKSZ 16384 109 110#define SIG_BLOCK 1 /* for blocking signals */ 111#define SIG_UNBLOCK 2 /* for unblocking signals */ 112#define SIG_SETMASK 3 /* for setting the signal mask */ 113 114#include <asm-generic/signal-defs.h> 115 116#ifdef __KERNEL__ 117struct osf_sigaction { 118 __sighandler_t sa_handler; 119 old_sigset_t sa_mask; 120 int sa_flags; 121}; 122 123struct sigaction { 124 __sighandler_t sa_handler; 125 unsigned long sa_flags; 126 sigset_t sa_mask; /* mask last for extensibility */ 127}; 128 129struct k_sigaction { 130 struct sigaction sa; 131 __sigrestore_t ka_restorer; 132}; 133#else 134/* Here we must cater to libcs that poke about in kernel headers. */ 135 136struct sigaction { 137 union { 138 __sighandler_t _sa_handler; 139 void (*_sa_sigaction)(int, struct siginfo *, void *); 140 } _u; 141 sigset_t sa_mask; 142 int sa_flags; 143}; 144 145#define sa_handler _u._sa_handler 146#define sa_sigaction _u._sa_sigaction 147 148#endif /* __KERNEL__ */ 149 150typedef struct sigaltstack { 151 void __user *ss_sp; 152 int ss_flags; 153 size_t ss_size; 154} stack_t; 155 156/* sigstack(2) is deprecated, and will be withdrawn in a future version 157 of the X/Open CAE Specification. Use sigaltstack instead. It is only 158 implemented here for OSF/1 compatibility. */ 159 160struct sigstack { 161 void __user *ss_sp; 162 int ss_onstack; 163}; 164 165#ifdef __KERNEL__ 166#include <asm/sigcontext.h> 167 168#define ptrace_signal_deliver(regs, cookie) do { } while (0) 169 170#endif 171 172#endif 173