#ifndef _ASMAXP_SIGNAL_H #define _ASMAXP_SIGNAL_H #include <linux/types.h> /* Avoid too many header ordering problems. */ struct siginfo; #ifdef __KERNEL__ /* Digital Unix defines 64 signals. 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; #else /* Here we must cater to libcs that poke about in kernel headers. */ #define NSIG 32 typedef unsigned long sigset_t; #endif /* __KERNEL__ */ /* * Linux/AXP has different signal numbers that Linux/i386: I'm trying * to make it OSF/1 binary compatible, at least for normal binaries. */ #define SIGHUP 1 #define SIGINT 2 #define SIGQUIT 3 #define SIGILL 4 #define SIGTRAP 5 #define SIGABRT 6 #define SIGEMT 7 #define SIGFPE 8 #define SIGKILL 9 #define SIGBUS 10 #define SIGSEGV 11 #define SIGSYS 12 #define SIGPIPE 13 #define SIGALRM 14 #define SIGTERM 15 #define SIGURG 16 #define SIGSTOP 17 #define SIGTSTP 18 #define SIGCONT 19 #define SIGCHLD 20 #define SIGTTIN 21 #define SIGTTOU 22 #define SIGIO 23 #define SIGXCPU 24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGINFO 29 #define SIGUSR1 30 #define SIGUSR2 31 #define SIGPOLL SIGIO #define SIGPWR SIGINFO #define SIGIOT SIGABRT /* 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. * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * 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_ONSTACK 0x00000001 #define SA_RESTART 0x00000002 #define SA_NOCLDSTOP 0x00000004 #define SA_NODEFER 0x00000008 #define SA_RESETHAND 0x00000010 #define SA_NOCLDWAIT 0x00000020 #define SA_SIGINFO 0x00000040 #define SA_ONESHOT SA_RESETHAND #define SA_NOMASK SA_NODEFER #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ /* * sigaltstack controls */ #define SS_ONSTACK 1 #define SS_DISABLE 2 #define MINSIGSTKSZ 4096 #define SIGSTKSZ 16384 #define SIG_BLOCK 1 /* for blocking signals */ #define SIG_UNBLOCK 2 /* for unblocking signals */ #define SIG_SETMASK 3 /* for setting the signal mask */ #include <asm-generic/signal.h> #ifdef __KERNEL__ struct osf_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; int sa_flags; }; struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; sigset_t sa_mask; /* mask last for extensibility */ }; struct k_sigaction { struct sigaction sa; __sigrestore_t ka_restorer; }; #else /* Here we must cater to libcs that poke about in kernel headers. */ struct sigaction { union { __sighandler_t _sa_handler; void (*_sa_sigaction)(int, struct siginfo *, void *); } _u; sigset_t sa_mask; int sa_flags; }; #define sa_handler _u._sa_handler #define sa_sigaction _u._sa_sigaction #endif /* __KERNEL__ */ typedef struct sigaltstack { void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; /* sigstack(2) is deprecated, and will be withdrawn in a future version of the X/Open CAE Specification. Use sigaltstack instead. It is only implemented here for OSF/1 compatibility. */ struct sigstack { void __user *ss_sp; int ss_onstack; }; #ifdef __KERNEL__ #include <asm/sigcontext.h> #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif #endif