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Annotation of Net2/sys/acctbuf.h, revision 1.1.1.1

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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