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include/asm-x86_64/signal.h
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#ifndef _ASMx8664_SIGNAL_H #define _ASMx8664_SIGNAL_H #ifndef __ASSEMBLY__ #include <linux/types.h> |
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#include <linux/time.h> /* Avoid too many header ordering problems. */ struct siginfo; #ifdef __KERNEL__ |
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#include <linux/linkage.h> |
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/* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ #define _NSIG 64 #define _NSIG_BPW 64 #define _NSIG_WORDS (_NSIG / _NSIG_BPW) typedef unsigned long old_sigset_t; /* at least 32 bits */ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; |
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#else /* Here we must cater to libcs that poke about in kernel headers. */ #define NSIG 32 typedef unsigned long sigset_t; #endif /* __KERNEL__ */ #endif #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SIGTRAP 5 #define SIGABRT 6 #define SIGIOT 6 #define SIGBUS 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGUSR1 10 #define SIGSEGV 11 #define SIGUSR2 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGSTKFLT 16 #define SIGCHLD 17 #define SIGCONT 18 #define SIGSTOP 19 #define SIGTSTP 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGURG 23 #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGIO 29 #define SIGPOLL SIGIO /* #define SIGLOST 29 */ #define SIGPWR 30 #define SIGSYS 31 #define SIGUNUSED 31 /* These should not be considered constants from userland. */ #define SIGRTMIN 32 #define SIGRTMAX _NSIG /* * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. |
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* SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. * SA_NODEFER prevents the current signal from being masked in the handler. * * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single * Unix names RESETHAND and NODEFER respectively. */ #define SA_NOCLDSTOP 0x00000001 #define SA_NOCLDWAIT 0x00000002 #define SA_SIGINFO 0x00000004 #define SA_ONSTACK 0x08000000 #define SA_RESTART 0x10000000 #define SA_NODEFER 0x40000000 #define SA_RESETHAND 0x80000000 #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND |
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#define SA_RESTORER 0x04000000 /* * sigaltstack controls */ #define SS_ONSTACK 1 #define SS_DISABLE 2 #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 |
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#include <asm-generic/signal.h> |
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#ifndef __ASSEMBLY__ |
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struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; __sigrestore_t sa_restorer; sigset_t sa_mask; /* mask last for extensibility */ }; struct k_sigaction { struct sigaction sa; }; typedef struct sigaltstack { void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; #ifdef __KERNEL__ #include <asm/sigcontext.h> #undef __HAVE_ARCH_SIG_BITOPS #if 0 |
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static inline void sigaddset(sigset_t *set, int _sig) |
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{ __asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); } |
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static inline void sigdelset(sigset_t *set, int _sig) |
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{ __asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); } |
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static inline int __const_sigismember(sigset_t *set, int _sig) |
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{ unsigned long sig = _sig - 1; return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1))); } |
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static inline int __gen_sigismember(sigset_t *set, int _sig) |
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{ int ret; __asm__("btq %2,%1 \tsbbq %0,%0" : "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc"); return ret; } #define sigismember(set,sig) \ (__builtin_constant_p(sig) ? \ __const_sigismember((set),(sig)) : \ __gen_sigismember((set),(sig))) |
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static inline int sigfindinword(unsigned long word) |
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{ __asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc"); return word; } #endif #endif #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif /* __KERNEL__ */ #endif |