1#ifndef __ASM_SH_SIGNAL_H 2#define __ASM_SH_SIGNAL_H 3 4#include <linux/types.h> 5 6/* Avoid too many header ordering problems. */ 7struct pt_regs; 8struct siginfo; 9 10#ifdef __KERNEL__ 11/* Most things should be clean enough to redefine this at will, if care 12 is taken to make libc match. */ 13 14#define _NSIG 64 15#define _NSIG_BPW 32 16#define _NSIG_WORDS (_NSIG / _NSIG_BPW) 17 18typedef unsigned long old_sigset_t; /* at least 32 bits */ 19 20typedef struct { 21 unsigned long sig[_NSIG_WORDS]; 22} sigset_t; 23 24#else 25/* Here we must cater to libcs that poke about in kernel headers. */ 26 27#define NSIG 32 28typedef unsigned long sigset_t; 29 30#endif /* __KERNEL__ */ 31 32#define SIGHUP 1 33#define SIGINT 2 34#define SIGQUIT 3 35#define SIGILL 4 36#define SIGTRAP 5 37#define SIGABRT 6 38#define SIGIOT 6 39#define SIGBUS 7 40#define SIGFPE 8 41#define SIGKILL 9 42#define SIGUSR1 10 43#define SIGSEGV 11 44#define SIGUSR2 12 45#define SIGPIPE 13 46#define SIGALRM 14 47#define SIGTERM 15 48#define SIGSTKFLT 16 49#define SIGCHLD 17 50#define SIGCONT 18 51#define SIGSTOP 19 52#define SIGTSTP 20 53#define SIGTTIN 21 54#define SIGTTOU 22 55#define SIGURG 23 56#define SIGXCPU 24 57#define SIGXFSZ 25 58#define SIGVTALRM 26 59#define SIGPROF 27 60#define SIGWINCH 28 61#define SIGIO 29 62#define SIGPOLL SIGIO 63/* 64#define SIGLOST 29 65*/ 66#define SIGPWR 30 67#define SIGSYS 31 68#define SIGUNUSED 31 69 70/* These should not be considered constants from userland. */ 71#define SIGRTMIN 32 72#define SIGRTMAX _NSIG 73 74/* 75 * SA_FLAGS values: 76 * 77 * SA_ONSTACK indicates that a registered stack_t will be used. 78 * SA_RESTART flag to get restarting signals (which were the default long ago) 79 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 80 * SA_RESETHAND clears the handler when the signal is delivered. 81 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 82 * SA_NODEFER prevents the current signal from being masked in the handler. 83 * 84 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 85 * Unix names RESETHAND and NODEFER respectively. 86 */ 87#define SA_NOCLDSTOP 0x00000001 88#define SA_NOCLDWAIT 0x00000002 89#define SA_SIGINFO 0x00000004 90#define SA_ONSTACK 0x08000000 91#define SA_RESTART 0x10000000 92#define SA_NODEFER 0x40000000 93#define SA_RESETHAND 0x80000000 94 95#define SA_NOMASK SA_NODEFER 96#define SA_ONESHOT SA_RESETHAND 97 98#define SA_RESTORER 0x04000000 99 100/* 101 * sigaltstack controls 102 */ 103#define SS_ONSTACK 1 104#define SS_DISABLE 2 105 106#define MINSIGSTKSZ 2048 107#define SIGSTKSZ 8192 108 109#include <asm-generic/signal.h> 110 111#ifdef __KERNEL__ 112struct old_sigaction { 113 __sighandler_t sa_handler; 114 old_sigset_t sa_mask; 115 unsigned long sa_flags; 116 void (*sa_restorer)(void); 117}; 118 119struct sigaction { 120 __sighandler_t sa_handler; 121 unsigned long sa_flags; 122 void (*sa_restorer)(void); 123 sigset_t sa_mask; /* mask last for extensibility */ 124}; 125 126struct k_sigaction { 127 struct sigaction sa; 128}; 129#else 130/* Here we must cater to libcs that poke about in kernel headers. */ 131 132struct sigaction { 133 union { 134 __sighandler_t _sa_handler; 135 void (*_sa_sigaction)(int, struct siginfo *, void *); 136 } _u; 137 sigset_t sa_mask; 138 unsigned long sa_flags; 139 void (*sa_restorer)(void); 140}; 141 142#define sa_handler _u._sa_handler 143#define sa_sigaction _u._sa_sigaction 144 145#endif /* __KERNEL__ */ 146 147typedef struct sigaltstack { 148 void *ss_sp; 149 int ss_flags; 150 size_t ss_size; 151} stack_t; 152 153#ifdef __KERNEL__ 154#include <asm/sigcontext.h> 155 156#define ptrace_signal_deliver(regs, cookie) do { } while (0) 157 158#endif /* __KERNEL__ */ 159 160#endif /* __ASM_SH_SIGNAL_H */ 161