diff options
Diffstat (limited to 'include/asm-m32r/signal.h')
| -rw-r--r-- | include/asm-m32r/signal.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/include/asm-m32r/signal.h b/include/asm-m32r/signal.h new file mode 100644 index 000000000000..ce46eaea4494 --- /dev/null +++ b/include/asm-m32r/signal.h @@ -0,0 +1,200 @@ +#ifndef _ASM_M32R_SIGNAL_H +#define _ASM_M32R_SIGNAL_H + +/* $Id$ */ + +/* orig : i386 2.4.18 */ + +#include <linux/types.h> +#include <linux/linkage.h> +#include <linux/time.h> +#include <linux/compiler.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 + +/* + * 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_NOCLDSTOP 0x00000001u +#define SA_NOCLDWAIT 0x00000002u +#define SA_SIGINFO 0x00000004u +#define SA_ONSTACK 0x08000000u +#define SA_RESTART 0x10000000u +#define SA_NODEFER 0x40000000u +#define SA_RESETHAND 0x80000000u + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND +#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#ifdef __KERNEL__ + +/* + * These values of sa_flags are used only by the kernel as part of the + * irq handling routines. + * + * SA_INTERRUPT is also used by the irq handling routines. + * SA_SHIRQ is for shared interrupt support on PCI and EISA. + */ +#define SA_PROBE SA_ONESHOT +#define SA_SAMPLE_RANDOM SA_RESTART +#define SA_SHIRQ 0x04000000 +#endif + +#define SIG_BLOCK 0 /* for blocking signals */ +#define SIG_UNBLOCK 1 /* for unblocking signals */ +#define SIG_SETMASK 2 /* for setting the signal mask */ + +/* Type of a signal handler. */ +typedef void __signalfn_t(int); +typedef __signalfn_t __user *__sighandler_t; + +typedef void __restorefn_t(void); +typedef __restorefn_t __user *__sigrestore_t; + +#define SIG_DFL ((__sighandler_t)0) /* default signal handling */ +#define SIG_IGN ((__sighandler_t)1) /* ignore signal */ +#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ + +#ifdef __KERNEL__ +struct old_sigaction { + __sighandler_t sa_handler; + old_sigset_t sa_mask; + unsigned long sa_flags; + __sigrestore_t sa_restorer; +}; + +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; +}; +#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 __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ +#include <asm/sigcontext.h> + +#undef __HAVE_ARCH_SIG_BITOPS + +struct pt_regs; +extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset)); + +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* __KERNEL__ */ + +#endif /* _ASM_M32R_SIGNAL_H */ |