The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/acct.h

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    1 /*      $NetBSD: acct.h,v 1.23 2003/08/07 16:33:59 agc Exp $    */
    2 
    3 /*-
    4  * Copyright (c) 1990, 1993, 1994
    5  *      The Regents of the University of California.  All rights reserved.
    6  * (c) UNIX System Laboratories, Inc.
    7  * All or some portions of this file are derived from material licensed
    8  * to the University of California by American Telephone and Telegraph
    9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   10  * the permission of UNIX System Laboratories, Inc.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  *      @(#)acct.h      8.3 (Berkeley) 7/10/94
   37  */
   38 
   39 #ifndef _SYS_ACCT_H_
   40 #define _SYS_ACCT_H_
   41 
   42 /*
   43  * Accounting structures; these use a comp_t type which is a 3 bits base 8
   44  * exponent, 13 bit fraction ``floating point'' number.  Units are 1/AHZ
   45  * seconds.
   46  */
   47 typedef u_int16_t comp_t;
   48 
   49 struct acct {
   50         char      ac_comm[10];  /* command name */
   51         comp_t    ac_utime;     /* user time */
   52         comp_t    ac_stime;     /* system time */
   53         comp_t    ac_etime;     /* elapsed time */
   54         time_t    ac_btime;     /* starting time */
   55         uid_t     ac_uid;       /* user id */
   56         gid_t     ac_gid;       /* group id */
   57         u_int16_t ac_mem;       /* average memory usage */
   58         comp_t    ac_io;        /* count of IO blocks */
   59         dev_t     ac_tty;       /* controlling tty */
   60 
   61 #define AFORK   0x01            /* fork'd but not exec'd */
   62 #define ASU     0x02            /* used super-user permissions */
   63 #define ACOMPAT 0x04            /* used compatibility mode */
   64 #define ACORE   0x08            /* dumped core */
   65 #define AXSIG   0x10            /* killed by a signal */
   66         u_int8_t  ac_flag;      /* accounting flags */
   67 };
   68 
   69 /*
   70  * 1/AHZ is the granularity of the data encoded in the comp_t fields.
   71  * This is not necessarily equal to hz.
   72  */
   73 #define AHZ     64
   74 
   75 #ifdef _KERNEL
   76 void    acct_init __P((void));
   77 int     acct_process __P((struct proc *));
   78 #endif
   79 
   80 #endif /* !_SYS_ACCT_H_ */

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