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#ifndef _ASM_GENERIC_SIGINFO_H

#define _ASM_GENERIC_SIGINFO_H

#include <linux/compiler.h>

#include <linux/types.h>

typedef union sigval {

        int sival_int;

        void *sival_ptr;

} sigval_t;

/*

 * This is the size (including padding) of the part of the

 * struct siginfo that is before the union.

 */

#ifndef __ARCH_SI_PREAMBLE_SIZE

#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))

#endif

#define SI_MAX_SIZE     128

#ifndef SI_PAD_SIZE

#define SI_PAD_SIZE     ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))

#endif

#ifndef __ARCH_SI_UID_T

#define __ARCH_SI_UID_T uid_t

#endif

#ifndef __ARCH_SI_BAND_T

#define __ARCH_SI_BAND_T int

#endif

#ifndef HAVE_ARCH_SIGINFO_T

typedef struct siginfo {

        int si_signo;

        int si_errno;

        int si_code;

        union {

                int _pad[SI_PAD_SIZE];

                /* kill() */

                struct {

                        pid_t _pid;             /* sender's pid */

                        __ARCH_SI_UID_T _uid;   /* sender's uid */

                } _kill;

                /* POSIX.1b timers */

                struct {

                        timer_t _tid;           /* timer id */

                        int _overrun;           /* overrun count */

                        char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];

                        sigval_t _sigval;       /* same as below */

                        int _sys_private;       /* not to be passed to user */

                } _timer;

                /* POSIX.1b signals */

                struct {

                        pid_t _pid;             /* sender's pid */

                        __ARCH_SI_UID_T _uid;   /* sender's uid */

                        sigval_t _sigval;

                } _rt;

                /* SIGCHLD */

                struct {

                        pid_t _pid;             /* which child */

                        __ARCH_SI_UID_T _uid;   /* sender's uid */

                        int _status;            /* exit code */

                        clock_t _utime;

                        clock_t _stime;

                } _sigchld;

                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */

                struct {

                        void *_addr; /* faulting insn/memory ref. */

#ifdef __ARCH_SI_TRAPNO

                        int _trapno;    /* TRAP # which caused the signal */

#endif

                } _sigfault;

                /* SIGPOLL */

                struct {

                        __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */

                        int _fd;

                } _sigpoll;

        } _sifields;

} siginfo_t;

#endif

/*

 * How these fields are to be accessed.

 */

#define si_pid          _sifields._kill._pid

#define si_uid          _sifields._kill._uid

#define si_tid          _sifields._timer._tid

#define si_overrun      _sifields._timer._overrun

#define si_sys_private  _sifields._timer._sys_private

#define si_status       _sifields._sigchld._status

#define si_utime        _sifields._sigchld._utime

#define si_stime        _sifields._sigchld._stime

#define si_value        _sifields._rt._sigval

#define si_int          _sifields._rt._sigval.sival_int

#define si_ptr          _sifields._rt._sigval.sival_ptr

#define si_addr         _sifields._sigfault._addr

#ifdef __ARCH_SI_TRAPNO

#define si_trapno       _sifields._sigfault._trapno

#endif

#define si_band         _sifields._sigpoll._band

#define si_fd           _sifields._sigpoll._fd

#ifdef __KERNEL__

#define __SI_MASK       0xffff0000u

#define __SI_KILL       (0 << 16)

#define __SI_TIMER      (1 << 16)

#define __SI_POLL       (2 << 16)

#define __SI_FAULT      (3 << 16)

#define __SI_CHLD       (4 << 16)

#define __SI_RT         (5 << 16)

#define __SI_CODE(T,N)  ((T) | ((N) & 0xffff))

#else

#define __SI_KILL       0

#define __SI_TIMER      0

#define __SI_POLL       0

#define __SI_FAULT      0

#define __SI_CHLD       0

#define __SI_RT         0

#define __SI_CODE(T,N)  (N)

#endif

/*

 * si_code values

 * Digital reserves positive values for kernel-generated signals.

 */

#define SI_USER         0               /* sent by kill, sigsend, raise */

#define SI_KERNEL       0x80            /* sent by the kernel from somewhere */

#define SI_QUEUE        -1              /* sent by sigqueue */

#define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */

#define SI_MESGQ        -3              /* sent by real time mesq state change */

#define SI_ASYNCIO      -4              /* sent by AIO completion */

#define SI_SIGIO        -5              /* sent by queued SIGIO */

#define SI_TKILL        -6              /* sent by tkill system call */

#define SI_DETHREAD     -7              /* sent by execve() killing subsidiary threads */

#define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)

#define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)

#ifndef HAVE_ARCH_SI_CODES

/*

 * SIGILL si_codes

 */

#define ILL_ILLOPC      (__SI_FAULT|1)  /* illegal opcode */

#define ILL_ILLOPN      (__SI_FAULT|2)  /* illegal operand */

#define ILL_ILLADR      (__SI_FAULT|3)  /* illegal addressing mode */

#define ILL_ILLTRP      (__SI_FAULT|4)  /* illegal trap */

#define ILL_PRVOPC      (__SI_FAULT|5)  /* privileged opcode */

#define ILL_PRVREG      (__SI_FAULT|6)  /* privileged register */

#define ILL_COPROC      (__SI_FAULT|7)  /* coprocessor error */

#define ILL_BADSTK      (__SI_FAULT|8)  /* internal stack error */

#define NSIGILL         8

/*

 * SIGFPE si_codes

 */

#define FPE_INTDIV      (__SI_FAULT|1)  /* integer divide by zero */

#define FPE_INTOVF      (__SI_FAULT|2)  /* integer overflow */

#define FPE_FLTDIV      (__SI_FAULT|3)  /* floating point divide by zero */

#define FPE_FLTOVF      (__SI_FAULT|4)  /* floating point overflow */

#define FPE_FLTUND      (__SI_FAULT|5)  /* floating point underflow */

#define FPE_FLTRES      (__SI_FAULT|6)  /* floating point inexact result */

#define FPE_FLTINV      (__SI_FAULT|7)  /* floating point invalid operation */

#define FPE_FLTSUB      (__SI_FAULT|8)  /* subscript out of range */

#define NSIGFPE         8

/*

 * SIGSEGV si_codes

 */

#define SEGV_MAPERR     (__SI_FAULT|1)  /* address not mapped to object */

#define SEGV_ACCERR     (__SI_FAULT|2)  /* invalid permissions for mapped object */

#define NSIGSEGV        2

/*

 * SIGBUS si_codes

 */

#define BUS_ADRALN      (__SI_FAULT|1)  /* invalid address alignment */

#define BUS_ADRERR      (__SI_FAULT|2)  /* non-existant physical address */

#define BUS_OBJERR      (__SI_FAULT|3)  /* object specific hardware error */

#define NSIGBUS         3

/*

 * SIGTRAP si_codes

 */

#define TRAP_BRKPT      (__SI_FAULT|1)  /* process breakpoint */

#define TRAP_TRACE      (__SI_FAULT|2)  /* process trace trap */

#define NSIGTRAP        2

/*

 * SIGCHLD si_codes

 */

#define CLD_EXITED      (__SI_CHLD|1)   /* child has exited */

#define CLD_KILLED      (__SI_CHLD|2)   /* child was killed */

#define CLD_DUMPED      (__SI_CHLD|3)   /* child terminated abnormally */

#define CLD_TRAPPED     (__SI_CHLD|4)   /* traced child has trapped */

#define CLD_STOPPED     (__SI_CHLD|5)   /* child has stopped */

#define CLD_CONTINUED   (__SI_CHLD|6)   /* stopped child has continued */

#define NSIGCHLD        6

/*

 * SIGPOLL si_codes

 */

#define POLL_IN         (__SI_POLL|1)   /* data input available */

#define POLL_OUT        (__SI_POLL|2)   /* output buffers available */

#define POLL_MSG        (__SI_POLL|3)   /* input message available */

#define POLL_ERR        (__SI_POLL|4)   /* i/o error */

#define POLL_PRI        (__SI_POLL|5)   /* high priority input available */

#define POLL_HUP        (__SI_POLL|6)   /* device disconnected */

#define NSIGPOLL        6

#endif

/*

 * sigevent definitions

 *

 * It seems likely that SIGEV_THREAD will have to be handled from

 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the

 * thread manager then catches and does the appropriate nonsense.

 * However, everything is written out here so as to not get lost.

 */

#define SIGEV_SIGNAL    0       /* notify via signal */

#define SIGEV_NONE      1       /* other notification: meaningless */

#define SIGEV_THREAD    2       /* deliver via thread creation */

#define SIGEV_THREAD_ID 4       /* deliver to thread */

#define SIGEV_MAX_SIZE  64

#ifndef SIGEV_PAD_SIZE

#define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 3)

#endif

#ifndef HAVE_ARCH_SIGEVENT_T

typedef struct sigevent {

        sigval_t sigev_value;

        int sigev_signo;

        int sigev_notify;

        union {

                int _pad[SIGEV_PAD_SIZE];

                 int _tid;

                struct {

                        void (*_function)(sigval_t);

                        void *_attribute;       /* really pthread_attr_t */

                } _sigev_thread;

        } _sigev_un;

} sigevent_t;

#endif

#define sigev_notify_function   _sigev_un._sigev_thread._function

#define sigev_notify_attributes _sigev_un._sigev_thread._attribute

#define sigev_notify_thread_id   _sigev_un._tid

#ifdef __KERNEL__

struct siginfo;

void do_schedule_next_timer(struct siginfo *info);

#ifndef HAVE_ARCH_COPY_SIGINFO

#include <linux/string.h>

static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)

{

        if (from->si_code < 0)

                memcpy(to, from, sizeof(*to));

        else

                /* _sigchld is currently the largest know union member */

                memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));

}

#endif

extern int copy_siginfo_to_user(struct siginfo __user *to, struct siginfo *from);

#endif /* __KERNEL__ */

#endif