1 #ifndef _ASM_CRIS_SIGNAL_H 2 #define _ASM_CRIS_SIGNAL_H 3 4 #include <linux/types.h> 5 6 /* Avoid too many header ordering problems. */ 7 struct siginfo; 8 9 #ifdef __KERNEL__ 10 /* Most things should be clean enough to redefine this at will, if care 11 is taken to make libc match. */ 12 13 #define _NSIG 64 14 #define _NSIG_BPW 32 15 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) 16 17 typedef unsigned long old_sigset_t; /* at least 32 bits */ 18 19 typedef 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 27 typedef unsigned long sigset_t; 28 29 #endif /* __KERNEL__ */ 30 31 #define SIGHUP 1 32 #define SIGINT 2 33 #define SIGQUIT 3 34 #define SIGILL 4 35 #define SIGTRAP 5 36 #define SIGABRT 6 37 #define SIGIOT 6 38 #define SIGBUS 7 39 #define SIGFPE 8 40 #define SIGKILL 9 41 #define SIGUSR1 10 42 #define SIGSEGV 11 43 #define SIGUSR2 12 44 #define SIGPIPE 13 45 #define SIGALRM 14 46 #define SIGTERM 15 47 #define SIGSTKFLT 16 48 #define SIGCHLD 17 49 #define SIGCONT 18 50 #define SIGSTOP 19 51 #define SIGTSTP 20 52 #define SIGTTIN 21 53 #define SIGTTOU 22 54 #define SIGURG 23 55 #define SIGXCPU 24 56 #define SIGXFSZ 25 57 #define SIGVTALRM 26 58 #define SIGPROF 27 59 #define SIGWINCH 28 60 #define SIGIO 29 61 #define SIGPOLL SIGIO 62 /* 63 #define SIGLOST 29 64 */ 65 #define SIGPWR 30 66 #define SIGSYS 31 67 #define SIGUNUSED 31 68 69 /* These should not be considered constants from userland. */ 70 #define SIGRTMIN 32 71 #define SIGRTMAX _NSIG 72 73 /* 74 * SA_FLAGS values: 75 * 76 * SA_ONSTACK indicates that a registered stack_t will be used. 77 * SA_RESTART flag to get restarting signals (which were the default long ago) 78 * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. 79 * SA_RESETHAND clears the handler when the signal is delivered. 80 * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. 81 * SA_NODEFER prevents the current signal from being masked in the handler. 82 * 83 * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single 84 * Unix names RESETHAND and NODEFER respectively. 85 */ 86 87 #define SA_NOCLDSTOP 0x00000001u 88 #define SA_NOCLDWAIT 0x00000002u 89 #define SA_SIGINFO 0x00000004u 90 #define SA_ONSTACK 0x08000000u 91 #define SA_RESTART 0x10000000u 92 #define SA_NODEFER 0x40000000u 93 #define SA_RESETHAND 0x80000000u 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-defs.h> 110 111 #ifdef __KERNEL__ 112 struct old_sigaction { 113 __sighandler_t sa_handler; 114 old_sigset_t sa_mask; 115 unsigned long sa_flags; 116 void (*sa_restorer)(void); 117 }; 118 119 struct 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 }; 125 126 struct k_sigaction { 127 struct sigaction sa; 128 }; 129 #else 130 /* Here we must cater to libcs that poke about in kernel headers. */ 131 132 struct 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__ */ 146 147 typedef 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 /* here we could define asm-optimized sigaddset, sigdelset etc. operations. 157 * if we don't, generic ones are used from linux/signal.h 158 */ 159 #define ptrace_signal_deliver(regs, cookie) do { } while (0) 160 161 #endif /* __KERNEL__ */ 162 163 #endif 164