#ifndef _ASM_PARISC_SIGNAL_H
#define _ASM_PARISC_SIGNAL_H

#define SIGHUP           1
#define SIGINT           2
#define SIGQUIT          3
#define SIGILL           4
#define SIGTRAP          5
#define SIGABRT          6
#define SIGIOT           6
#define SIGEMT           7
#define SIGFPE           8
#define SIGKILL          9
#define SIGBUS          10
#define SIGSEGV         11
#define SIGSYS          12 /* Linux doesn't use this */
#define SIGPIPE         13
#define SIGALRM         14
#define SIGTERM         15
#define SIGUSR1         16
#define SIGUSR2         17
#define SIGCHLD         18
#define SIGPWR          19
#define SIGVTALRM       20
#define SIGPROF         21
#define SIGIO           22
#define SIGPOLL         SIGIO
#define SIGWINCH        23
#define SIGSTOP         24
#define SIGTSTP         25
#define SIGCONT         26
#define SIGTTIN         27
#define SIGTTOU         28
#define SIGURG          29
#define SIGLOST         30 /* Linux doesn't use this either */
#define SIGUNUSED       31
#define SIGRESERVE      SIGUNUSED

#define SIGXCPU         33
#define SIGXFSZ         34
#define SIGSTKFLT       36

/* These should not be considered constants from userland.  */
#define SIGRTMIN        37
#define SIGRTMAX        _NSIG /* it's 44 under HP/UX */

/*
 * 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_RESETHAND    0x00000004
#define SA_NOCLDSTOP    0x00000008
#define SA_SIGINFO      0x00000010
#define SA_NODEFER      0x00000020
#define SA_RESTART      0x00000040
#define SA_NOCLDWAIT    0x00000080
#define _SA_SIGGFAULT   0x00000100 /* HPUX */

#define SA_NOMASK       SA_NODEFER
#define SA_ONESHOT      SA_RESETHAND
#define SA_INTERRUPT    0x20000000 /* dummy -- ignored */

#define SA_RESTORER     0x04000000 /* obsolete -- ignored */

/* 
 * sigaltstack controls
 */
#define SS_ONSTACK      1
#define SS_DISABLE      2

#define MINSIGSTKSZ     2048
#define SIGSTKSZ        8192

#ifdef __KERNEL__

#define _NSIG           64
/* bits-per-word, where word apparently means 'long' not 'int' */
#define _NSIG_BPW       BITS_PER_LONG
#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)

/*
 * 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 /* __KERNEL__ */

#define SIG_BLOCK          0    /* for blocking signals */
#define SIG_UNBLOCK        1    /* for unblocking signals */
#define SIG_SETMASK        2    /* for setting the signal mask */

#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 */

# ifndef __ASSEMBLY__

#  include <linux/types.h>

/* Avoid too many header ordering problems.  */
struct siginfo;

/* Type of a signal handler.  */
#ifdef __LP64__
/* function pointers on 64-bit parisc are pointers to little structs and the
 * compiler doesn't support code which changes or tests the address of
 * the function in the little struct.  This is really ugly -PB
 */
typedef __kernel_caddr_t __sighandler_t;
#else
typedef void (*__sighandler_t)(int);
#endif

typedef struct sigaltstack {
        void *ss_sp;
        int ss_flags;
        size_t ss_size;
} stack_t;

#ifdef __KERNEL__

/* Most things should be clean enough to redefine this at will, if care
   is taken to make libc match.  */

typedef unsigned long old_sigset_t;             /* at least 32 bits */

typedef struct {
        /* next_signal() assumes this is a long - no choice */
        unsigned long sig[_NSIG_WORDS];
} sigset_t;

struct sigaction {
        __sighandler_t sa_handler;
        unsigned long sa_flags;
        sigset_t sa_mask;               /* mask last for extensibility */
};

struct k_sigaction {
        struct sigaction sa;
};

#define ptrace_signal_deliver(regs, cookie) do { } while (0)

#include <asm/sigcontext.h>

#endif /* __KERNEL__ */
#endif /* !__ASSEMBLY */
#endif /* _ASM_PARISC_SIGNAL_H */