#ifndef _ASMARM_SIGNAL_H #define _ASMARM_SIGNAL_H #include <linux/types.h> /* Avoid too many header ordering problems. */ struct siginfo; #ifdef __KERNEL__ /* 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 32 #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__ */ #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 #define SIGSWI 32 /* * SA_FLAGS values: * * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. * SA_SIGINFO deliver the signal with SIGINFO structs * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task * is running in 26-bit. * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)). * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * SA_NODEFER prevents the current signal from being masked in the handler. * SA_RESETHAND clears the handler when the signal is delivered. * * 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 /* not supported yet */ #define SA_SIGINFO 0x00000004 #define SA_THIRTYTWO 0x02000000 #define SA_RESTORER 0x04000000 #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 #define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ /* * sigaltstack controls */ #define SS_ONSTACK 1 #define SS_DISABLE 2 #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 #ifdef __KERNEL__ #define SA_IRQNOMASK 0x08000000 #endif #include <asm-generic/signal.h> #ifdef __KERNEL__ struct old_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; unsigned long sa_flags; void (*sa_restorer)(void); }; struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; void (*sa_restorer)(void); sigset_t sa_mask; /* mask last for extensibility */ }; struct k_sigaction { struct sigaction sa; }; #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; unsigned long sa_flags; void (*sa_restorer)(void); }; #define sa_handler _u._sa_handler #define sa_sigaction _u._sa_sigaction #endif /* __KERNEL__ */ typedef struct sigaltstack { void *ss_sp; int ss_flags; size_t ss_size; } stack_t; #ifdef __KERNEL__ #include <asm/sigcontext.h> #define sigmask(sig) (1UL << ((sig) - 1)) #endif #ifdef __KERNEL__ #include <asm/sigcontext.h> #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif #endif