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 /*-
    2  * Copyright (c) 1990, 1993, 1994
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)acct.h      8.4 (Berkeley) 1/9/95
   35  * $FreeBSD: src/sys/sys/acct.h,v 1.18 2004/06/17 17:16:52 phk Exp $
   36  */
   37 
   38 #ifndef _SYS_ACCT_H_
   39 #define _SYS_ACCT_H_
   40 
   41 /*
   42  * Accounting structures; these use a comp_t type which is a 3 bits base 8
   43  * exponent, 13 bit fraction ``floating point'' number.  Units are 1/AHZ
   44  * seconds.
   45  */
   46 typedef u_int16_t comp_t;
   47 
   48 #define AC_COMM_LEN 16
   49 struct acct {
   50         char      ac_comm[AC_COMM_LEN]; /* 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                    /* forked but not exec'ed */
   62 /* ASU is no longer supported */
   63 #define ASU     0x02                    /* used super-user permissions */
   64 #define ACOMPAT 0x04                    /* used compatibility mode */
   65 #define ACORE   0x08                    /* dumped core */
   66 #define AXSIG   0x10                    /* killed by a signal */
   67         u_int8_t  ac_flag;              /* accounting flags */
   68 };
   69 
   70 /*
   71  * 1/AHZ is the granularity of the data encoded in the comp_t fields.
   72  * This is not necessarily equal to hz.
   73  */
   74 #define AHZ     64
   75 
   76 #ifdef _KERNEL
   77 struct thread;
   78 
   79 int     acct_process(struct thread *td);
   80 #endif
   81 
   82 #endif /* !_SYS_ACCT_H_ */

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