siginfo.h

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/*
 * 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.
 *
 * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
 */
#ifndef _UAPI_ASM_SIGINFO_H
#define _UAPI_ASM_SIGINFO_H


#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */

#define HAVE_ARCH_SIGINFO_T

/*
 * We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
 * by design ...
 */
#define HAVE_ARCH_COPY_SIGINFO
struct siginfo;

/*
 * Careful to keep union _sifields from shifting ...
 */
#ifdef CONFIG_32BIT
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#ifdef CONFIG_64BIT
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif

#include <asm-generic/siginfo.h>

typedef struct siginfo {
    int si_signo;
    int si_code;
    int si_errno;
    int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];

    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;

        /* IRIX SIGCHLD */
        struct {
            pid_t _pid;     /* which child */
            clock_t _utime;
            int _status;        /* exit code */
            clock_t _stime;
        } _irix_sigchld;

        /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
        struct {
            void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
            int _trapno;    /* TRAP # which caused the signal */
#endif
            short _addr_lsb;
        } _sigfault;

        /* SIGPOLL, SIGXFSZ (To do ...)  */
        struct {
            __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
            int _fd;
        } _sigpoll;
    } _sifields;
} siginfo_t;

/*
 * si_code values
 * Again these have been chosen to be IRIX compatible.
 */
#undef SI_ASYNCIO
#undef SI_TIMER
#undef SI_MESGQ
#define SI_ASYNCIO  -2  /* sent by AIO completion */
#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */


#endif /* _UAPI_ASM_SIGINFO_H */