1#ifndef _BLACKFIN_SIGNAL_H 2#define _BLACKFIN_SIGNAL_H 3 4#include <linux/types.h> 5 6/* Avoid too many header ordering problems. */ 7struct 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 17typedef unsigned long old_sigset_t; /* at least 32 bits */ 18 19typedef 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 27typedef 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_INTERRUPT is a no-op, but left due to historical reasons. Use the 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 /* not supported yet */ 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/* 99 * sigaltstack controls 100 */ 101#define SS_ONSTACK 1 102#define SS_DISABLE 2 103 104#define MINSIGSTKSZ 2048 105#define SIGSTKSZ 8192 106 107#include <asm-generic/signal.h> 108 109#ifdef __KERNEL__ 110struct old_sigaction { 111 __sighandler_t sa_handler; 112 old_sigset_t sa_mask; 113 unsigned long sa_flags; 114 void (*sa_restorer) (void); 115}; 116 117struct sigaction { 118 __sighandler_t sa_handler; 119 unsigned long sa_flags; 120 void (*sa_restorer) (void); 121 sigset_t sa_mask; /* mask last for extensibility */ 122}; 123 124struct k_sigaction { 125 struct sigaction sa; 126}; 127#else 128/* Here we must cater to libcs that poke about in kernel headers. */ 129 130struct sigaction { 131 union { 132 __sighandler_t _sa_handler; 133 void (*_sa_sigaction) (int, struct siginfo *, void *); 134 } _u; 135 sigset_t sa_mask; 136 unsigned long sa_flags; 137 void (*sa_restorer) (void); 138}; 139 140#define sa_handler _u._sa_handler 141#define sa_sigaction _u._sa_sigaction 142 143#endif /* __KERNEL__ */ 144 145typedef struct sigaltstack { 146 void __user *ss_sp; 147 int ss_flags; 148 size_t ss_size; 149} stack_t; 150 151#ifdef __KERNEL__ 152 153#include <asm/sigcontext.h> 154#undef __HAVE_ARCH_SIG_BITOPS 155 156#define ptrace_signal_deliver(regs, cookie) do { } while (0) 157 158#endif /* __KERNEL__ */ 159 160#endif /* _BLACKFIN_SIGNAL_H */ 161