source: svn/trunk/newcon3bcm2_21bu/toolchain/mips-linux-uclibc/include/asm/siginfo.h

/*
 * 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 _ASM_SIGINFO_H
#define _ASM_SIGINFO_H


#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */

#define HAVE_ARCH_SIGINFO_T

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

/*
 * Careful to keep union _sifields from shifting ...
 */
#ifndef __mips64
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#ifdef __mips64
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif

#include <linux/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 *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
                        int _trapno;    /* TRAP # which caused the signal */
#endif
                } _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 choosen 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 /* _ASM_SIGINFO_H */