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Annotation of Net2/sys/acctbuf.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1993 Christopher G. Demetriou
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. The name of the author may not be used to endorse or promote products
        !            14:  *    derived from this software withough specific prior written permission
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            21:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            22:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            23:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            24:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            25:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            26:  *
        !            27:  *     acctbuf.h,v 1.3 1993/06/02 01:44:10 cgd Exp
        !            28:  */
        !            29: 
        !            30: #ifndef _SYS_ACCTBUF_H_
        !            31: #define _SYS_ACCTBUF_H_
        !            32: 
        !            33: #define ACCT_BSIZE     4096
        !            34: #define ACCT_NBRECS    ((ACCT_BSIZE / sizeof(struct acct)) - 1)
        !            35: 
        !            36: struct acctbufhdr {
        !            37:        long    _ab_magic;
        !            38: #define ACCT_MAGIC 0x64696521
        !            39:        long    _ab_wind;
        !            40:        long    _ab_rind;
        !            41: };
        !            42: 
        !            43: struct acctbuf {
        !            44:        union {
        !            45:                struct acctbufhdr       _acctbuf_hdr;
        !            46:                char                    pad[sizeof(struct acct)];
        !            47:        } u;
        !            48:        struct acct     recs[ACCT_NBRECS];
        !            49: };
        !            50: 
        !            51: #define ab_magic u._acctbuf_hdr._ab_magic
        !            52: #define ab_wind        u._acctbuf_hdr._ab_wind
        !            53: #define ab_rind        u._acctbuf_hdr._ab_rind
        !            54: 
        !            55: #ifdef KERNEL
        !            56: #ifdef ACCOUNTING
        !            57: extern struct acctbuf  *acctbufp;
        !            58: 
        !            59: extern void acctbuf_init(void);
        !            60: #ifdef ACCT_DEBUG
        !            61: extern void acctbuf_checkbuf(char *);
        !            62: #endif /* ACCT_DEBUG */
        !            63: #endif /* ACCOUNTING */
        !            64: #endif
        !            65: 
        !            66: #endif /* _SYS_ACCTBUF_H_ */

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