1 #ifndef __ASM_GENERIC_SIGNAL_H 2 #define __ASM_GENERIC_SIGNAL_H 3 4 #include <linux/types.h> 5 6 #define _NSIG 64 7 #define _NSIG_BPW __BITS_PER_LONG 8 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 9 10 #define SIGHUP 1 11 #define SIGINT 2 12 #define SIGQUIT 3 13 #define SIGILL 4 14 #define SIGTRAP 5 15 #define SIGABRT 6 16 #define SIGIOT 6 17 #define SIGBUS 7 18 #define SIGFPE 8 19 #define SIGKILL 9 20 #define SIGUSR1 10 21 #define SIGSEGV 11 22 #define SIGUSR2 12 23 #define SIGPIPE 13 24 #define SIGALRM 14 25 #define SIGTERM 15 26 #define SIGSTKFLT 16 27 #define SIGCHLD 17 28 #define SIGCONT 18 29 #define SIGSTOP 19 30 #define SIGTSTP 20 31 #define SIGTTIN 21 32 #define SIGTTOU 22 33 #define SIGURG 23 34 #define SIGXCPU 24 35 #define SIGXFSZ 25 36 #define SIGVTALRM 26 37 #define SIGPROF 27 38 #define SIGWINCH 28 39 #define SIGIO 29 40 #define SIGPOLL SIGIO 41 /* 42 #define SIGLOST 29 43 */ 44 #define SIGPWR 30 45 #define SIGSYS 31 46 #define SIGUNUSED 31 47 48 /* These should not be considered constants from userland. */ 49 #define SIGRTMIN 32 50 #ifndef SIGRTMAX 51 #define SIGRTMAX _NSIG 52 #endif 53 54 /* 55 * SA_FLAGS values: 56 * 57 * SA_ONSTACK indicates that a registered stack_t will be used. 58 * SA_RESTART flag to get restarting signals (which were the default long ago) 59 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 60 * SA_RESETHAND clears the handler when the signal is delivered. 61 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 62 * SA_NODEFER prevents the current signal from being masked in the handler. 63 * 64 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 65 * Unix names RESETHAND and NODEFER respectively. 66 */ 67 #define SA_NOCLDSTOP 0x00000001 68 #define SA_NOCLDWAIT 0x00000002 69 #define SA_SIGINFO 0x00000004 70 #define SA_ONSTACK 0x08000000 71 #define SA_RESTART 0x10000000 72 #define SA_NODEFER 0x40000000 73 #define SA_RESETHAND 0x80000000 74 75 #define SA_NOMASK SA_NODEFER 76 #define SA_ONESHOT SA_RESETHAND 77 78 /* 79 * New architectures should not define the obsolete 80 * SA_RESTORER 0x04000000 81 */ 82 83 /* 84 * sigaltstack controls 85 */ 86 #define SS_ONSTACK 1 87 #define SS_DISABLE 2 88 89 #define MINSIGSTKSZ 2048 90 #define SIGSTKSZ 8192 91 92 #ifndef __ASSEMBLY__ 93 typedef struct { 94 unsigned long sig[_NSIG_WORDS]; 95 } sigset_t; 96 97 /* not actually used, but required for linux/syscalls.h */ 98 typedef unsigned long old_sigset_t; 99 100 #include <asm-generic/signal-defs.h> 101 102 struct sigaction { 103 __sighandler_t sa_handler; 104 unsigned long sa_flags; 105 #ifdef SA_RESTORER 106 __sigrestore_t sa_restorer; 107 #endif 108 sigset_t sa_mask; /* mask last for extensibility */ 109 }; 110 111 struct k_sigaction { 112 struct sigaction sa; 113 }; 114 115 typedef struct sigaltstack { 116 void *ss_sp; 117 int ss_flags; 118 size_t ss_size; 119 } stack_t; 120 121 #endif /* __ASSEMBLY__ */ 122 123 #endif /* _ASM_GENERIC_SIGNAL_H */ 124
