1#ifndef _ASM_X86_SIGNAL_H 2#define _ASM_X86_SIGNAL_H 3 4#ifndef __ASSEMBLY__ 5#include <linux/types.h> 6#include <linux/time.h> 7 8 9/* Avoid too many header ordering problems. */ 10struct siginfo; 11 12/* Here we must cater to libcs that poke about in kernel headers. */ 13 14#define NSIG 32 15typedef unsigned long sigset_t; 16 17#endif /* __ASSEMBLY__ */ 18 19#define SIGHUP 1 20#define SIGINT 2 21#define SIGQUIT 3 22#define SIGILL 4 23#define SIGTRAP 5 24#define SIGABRT 6 25#define SIGIOT 6 26#define SIGBUS 7 27#define SIGFPE 8 28#define SIGKILL 9 29#define SIGUSR1 10 30#define SIGSEGV 11 31#define SIGUSR2 12 32#define SIGPIPE 13 33#define SIGALRM 14 34#define SIGTERM 15 35#define SIGSTKFLT 16 36#define SIGCHLD 17 37#define SIGCONT 18 38#define SIGSTOP 19 39#define SIGTSTP 20 40#define SIGTTIN 21 41#define SIGTTOU 22 42#define SIGURG 23 43#define SIGXCPU 24 44#define SIGXFSZ 25 45#define SIGVTALRM 26 46#define SIGPROF 27 47#define SIGWINCH 28 48#define SIGIO 29 49#define SIGPOLL SIGIO 50/* 51#define SIGLOST 29 52*/ 53#define SIGPWR 30 54#define SIGSYS 31 55#define SIGUNUSED 31 56 57/* These should not be considered constants from userland. */ 58#define SIGRTMIN 32 59#define SIGRTMAX _NSIG 60 61/* 62 * SA_FLAGS values: 63 * 64 * SA_ONSTACK indicates that a registered stack_t will be used. 65 * SA_RESTART flag to get restarting signals (which were the default long ago) 66 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 67 * SA_RESETHAND clears the handler when the signal is delivered. 68 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 69 * SA_NODEFER prevents the current signal from being masked in the handler. 70 * 71 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 72 * Unix names RESETHAND and NODEFER respectively. 73 */ 74#define SA_NOCLDSTOP 0x00000001u 75#define SA_NOCLDWAIT 0x00000002u 76#define SA_SIGINFO 0x00000004u 77#define SA_ONSTACK 0x08000000u 78#define SA_RESTART 0x10000000u 79#define SA_NODEFER 0x40000000u 80#define SA_RESETHAND 0x80000000u 81 82#define SA_NOMASK SA_NODEFER 83#define SA_ONESHOT SA_RESETHAND 84 85#define SA_RESTORER 0x04000000 86 87/* 88 * sigaltstack controls 89 */ 90#define SS_ONSTACK 1 91#define SS_DISABLE 2 92 93#define MINSIGSTKSZ 2048 94#define SIGSTKSZ 8192 95 96#include <asm-generic/signal-defs.h> 97 98#ifndef __ASSEMBLY__ 99 100 101#ifdef __i386__ 102/* Here we must cater to libcs that poke about in kernel headers. */ 103 104struct sigaction { 105 union { 106 __sighandler_t _sa_handler; 107 void (*_sa_sigaction)(int, struct siginfo *, void *); 108 } _u; 109 sigset_t sa_mask; 110 unsigned long sa_flags; 111 void (*sa_restorer)(void); 112}; 113 114#define sa_handler _u._sa_handler 115#define sa_sigaction _u._sa_sigaction 116 117#else /* __i386__ */ 118 119struct sigaction { 120 __sighandler_t sa_handler; 121 unsigned long sa_flags; 122 __sigrestore_t sa_restorer; 123 sigset_t sa_mask; /* mask last for extensibility */ 124}; 125 126struct k_sigaction { 127 struct sigaction sa; 128}; 129 130#endif /* !__i386__ */ 131 132typedef struct sigaltstack { 133 void *ss_sp; 134 int ss_flags; 135 size_t ss_size; 136} stack_t; 137 138#endif /* __ASSEMBLY__ */ 139 140#endif /* _ASM_X86_SIGNAL_H */ 141