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Diffstat (limited to 'arch/microblaze/include/asm/signal.h')
-rw-r--r-- | arch/microblaze/include/asm/signal.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h new file mode 100644 index 0000000..9676fad --- /dev/null +++ b/arch/microblaze/include/asm/signal.h @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2006 Atmark Techno, Inc. + * Yasushi SHOJI <yashi@atmark-techno.com> + * Tetsuya OHKAWA <tetsuya@atmark-techno.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_MICROBLAZE_SIGNAL_H +#define _ASM_MICROBLAZE_SIGNAL_H + +#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_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 + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +# ifndef __ASSEMBLY__ +# include <linux/types.h> +# include <asm-generic/signal.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; + +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; +}; + +# include <asm/sigcontext.h> +# undef __HAVE_ARCH_SIG_BITOPS + +# define ptrace_signal_deliver(regs, cookie) do { } while (0) + +# else /* !__KERNEL__ */ + +/* Here we must cater to libcs that poke about in kernel headers. */ + +# define NSIG 32 +typedef unsigned long sigset_t; + +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; + +# endif /* __ASSEMBLY__ */ +#endif /* _ASM_MICROBLAZE_SIGNAL_H */ |