LCOM1920-T02G10

/*        $NetBSD: siginfo.h,v 1.25 2013/11/22 21:04:11 christos Exp $         */

/*-

 * Copyright (c) 2002 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * This code is derived from software contributed to The NetBSD Foundation

 * by Christos Zoulas.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS

 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef        _SYS_SIGINFO_H_

#define        _SYS_SIGINFO_H_

#include <machine/signal.h>

#include <sys/featuretest.h>

#ifdef _KERNEL

#include <sys/queue.h>

#endif

typedef union sigval {

        int        sival_int;

        void        *sival_ptr;

} sigval_t;

struct _ksiginfo {

        int        _signo;

        int        _code;

        int        _errno;

#ifdef _LP64

        /* In _LP64 the union starts on an 8-byte boundary. */

        int        _pad;

#endif

        union {

                struct {

                        pid_t        _pid;

                        uid_t        _uid;

                        sigval_t        _value;

                } _rt;

                struct {

                        pid_t        _pid;

                        uid_t        _uid;

                        int        _status;

                        clock_t        _utime;

                        clock_t        _stime;

                } _child;

                struct {

                        void   *_addr;

                        int        _trap;

                        int        _trap2;

                        int        _trap3;

                } _fault;

                struct {

                        long        _band;

                        int        _fd;

                } _poll;

        } _reason;

};

#ifdef _KERNEL

typedef struct ksiginfo {

        u_long                        ksi_flags;        /* 4 or 8 bytes (LP64) */

        TAILQ_ENTRY(ksiginfo)        ksi_list;

        struct _ksiginfo        ksi_info;

        lwpid_t                        ksi_lid;        /* 0, or directed to LWP */

} ksiginfo_t;

#define        KSI_TRAP        0x01        /* signal caused by trap */

#define        KSI_EMPTY        0x02        /* no additional information */

#define        KSI_QUEUED        0x04        /* on a sigpend_t queue */

#define        KSI_FROMPOOL        0x08        /* allocated from the ksiginfo pool */

/* Macros to initialize a ksiginfo_t. */

#define        KSI_INIT(ksi)                                                        \

do {                                                                        \

        memset((ksi), 0, sizeof(*(ksi)));                                \

} while (/*CONSTCOND*/0)

#define        KSI_INIT_EMPTY(ksi)                                                \

do {                                                                        \

        KSI_INIT((ksi));                                                \

        (ksi)->ksi_flags = KSI_EMPTY;                                        \

} while (/*CONSTCOND*/0)

#define        KSI_INIT_TRAP(ksi)                                                \

do {                                                                        \

        KSI_INIT((ksi));                                                \

        (ksi)->ksi_flags = KSI_TRAP;                                        \

} while (/*CONSTCOND*/0)

/* Copy the part of ksiginfo_t without the queue pointers */

#define        KSI_COPY(fksi, tksi)                                                \

do {                                                                        \

        (tksi)->ksi_info = (fksi)->ksi_info;                                \

        (tksi)->ksi_flags = (fksi)->ksi_flags;                                \

} while (/*CONSTCOND*/0)

/* Predicate macros to test how a ksiginfo_t was generated. */

#define        KSI_TRAP_P(ksi)                (((ksi)->ksi_flags & KSI_TRAP) != 0)

#define        KSI_EMPTY_P(ksi)        (((ksi)->ksi_flags & KSI_EMPTY) != 0)

/*

 * Old-style signal handler "code" arguments were only non-zero for

 * signals caused by traps.

 */

#define        KSI_TRAPCODE(ksi)        (KSI_TRAP_P(ksi) ? (ksi)->ksi_trap : 0)

#endif /* _KERNEL */

typedef union siginfo {

        char        si_pad[128];        /* Total size; for future expansion */

        struct _ksiginfo _info;

} siginfo_t;

/** Field access macros */

#define        si_signo        _info._signo

#define        si_code                _info._code

#define        si_errno        _info._errno

#define        si_value        _info._reason._rt._value

#define        si_pid                _info._reason._child._pid

#define        si_uid                _info._reason._child._uid

#define        si_status        _info._reason._child._status

#define        si_utime        _info._reason._child._utime

#define        si_stime        _info._reason._child._stime

#define        si_addr                _info._reason._fault._addr

#define        si_trap                _info._reason._fault._trap

#define        si_trap2        _info._reason._fault._trap2

#define        si_trap3        _info._reason._fault._trap3

#define        si_band                _info._reason._poll._band

#define        si_fd                _info._reason._poll._fd

#ifdef _KERNEL

/** Field access macros */

#define        ksi_signo        ksi_info._signo

#define        ksi_code        ksi_info._code

#define        ksi_errno        ksi_info._errno

#define        ksi_value        ksi_info._reason._rt._value

#define        ksi_pid                ksi_info._reason._child._pid

#define        ksi_uid                ksi_info._reason._child._uid

#define        ksi_status        ksi_info._reason._child._status

#define        ksi_utime        ksi_info._reason._child._utime

#define        ksi_stime        ksi_info._reason._child._stime

#define        ksi_addr        ksi_info._reason._fault._addr

#define        ksi_trap        ksi_info._reason._fault._trap

#define        ksi_trap2        ksi_info._reason._fault._trap2

#define        ksi_trap3        ksi_info._reason._fault._trap3

#define        ksi_band        ksi_info._reason._poll._band

#define        ksi_fd                ksi_info._reason._poll._fd

#endif /* _KERNEL */

/** si_code */

/* SIGILL */

#define        ILL_ILLOPC        1        /* Illegal opcode                        */

#define        ILL_ILLOPN        2        /* Illegal operand                        */

#define        ILL_ILLADR        3        /* Illegal addressing mode                */

#define        ILL_ILLTRP        4        /* Illegal trap                                */

#define        ILL_PRVOPC        5        /* Privileged opcode                        */

#define        ILL_PRVREG        6        /* Privileged register                        */

#define        ILL_COPROC        7        /* Coprocessor error                        */

#define        ILL_BADSTK        8        /* Internal stack error                        */

/* SIGFPE */

#define        FPE_INTDIV        1        /* Integer divide by zero                */

#define        FPE_INTOVF        2        /* Integer overflow                        */

#define        FPE_FLTDIV        3        /* Floating point divide by zero        */

#define        FPE_FLTOVF        4        /* Floating point overflow                */

#define        FPE_FLTUND        5        /* Floating point underflow                */

#define        FPE_FLTRES        6        /* Floating point inexact result        */

#define        FPE_FLTINV        7        /* Invalid Floating point operation        */

#define        FPE_FLTSUB        8        /* Subscript out of range                */

/* SIGSEGV */

#define        SEGV_MAPERR        1        /* Address not mapped to object                */

#define        SEGV_ACCERR        2        /* Invalid permissions for mapped object*/

/* SIGBUS */

#define        BUS_ADRALN        1        /* Invalid address alignment                */

#define        BUS_ADRERR        2        /* Non-existent physical address        */

#define        BUS_OBJERR        3        /* Object specific hardware error        */

/* SIGTRAP */

#define        TRAP_BRKPT        1        /* Process breakpoint                        */

#define        TRAP_TRACE        2        /* Process trace trap                        */

/* SIGCHLD */

#define        CLD_EXITED        1        /* Child has exited                        */

#define        CLD_KILLED        2        /* Child has terminated abnormally but        */

                                /* did not create a core file                */

#define        CLD_DUMPED        3        /* Child has terminated abnormally and        */

                                /* created a core file                        */

#define        CLD_TRAPPED        4        /* Traced child has trapped                */

#define        CLD_STOPPED        5        /* Child has stopped                        */

#define        CLD_CONTINUED        6        /* Stopped child has continued                */

/* SIGPOLL */

#define        POLL_IN                1        /* Data input available                        */

#define        POLL_OUT        2        /* Output buffers available                */

#define        POLL_MSG        3        /* Input message available                */

#define        POLL_ERR        4        /* I/O Error                                */

#define        POLL_PRI        5        /* High priority input available        */

#define        POLL_HUP        6        /* Device disconnected                        */

/** si_code */

#define        SI_USER                0        /* Sent by kill(2)                        */

#define        SI_QUEUE        -1        /* Sent by the sigqueue(2)                */

#define        SI_TIMER        -2        /* Generated by expiration of a timer        */

                                /* set by timer_settime(2)                */

#define        SI_ASYNCIO        -3        /* Generated by completion of an        */

                                /* asynchronous I/O signal                */

#define        SI_MESGQ        -4        /* Generated by arrival of a message on        */

                                /* an empty message queue                */

#if defined(_KERNEL) || defined(_NETBSD_SOURCE)

#define        SI_LWP                -5        /* Generated by _lwp_kill(2)                */

#define        SI_NOINFO        32767        /* No signal specific info available        */

#endif

#endif /* !_SYS_SIGINFO_H_ */