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