acct.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    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      8.4 (Berkeley) 1/9/95
   37  * $FreeBSD: releng/12.0/sys/sys/acct.h 326023 2017-11-20 19:43:44Z pfg $
   38  */
   39 
   40 #ifndef _SYS_ACCT_H_
   41 #define _SYS_ACCT_H_
   42 
   43 #ifdef _KERNEL
   44 #define float uint32_t
   45 #endif
   46 
   47 #define AC_COMM_LEN 16
   48 
   49 /*
   50  * Accounting structure version 3 (current).
   51  * The first byte is always zero.
   52  * Time units are microseconds.
   53  */
   54 
   55 struct acctv3 {
   56         uint8_t   ac_zero;              /* zero identifies new version */
   57         uint8_t   ac_version;           /* record version number */
   58         uint16_t  ac_len;               /* record length */
   59 
   60         char      ac_comm[AC_COMM_LEN]; /* command name */
   61         float     ac_utime;             /* user time */
   62         float     ac_stime;             /* system time */
   63         float     ac_etime;             /* elapsed time */
   64         time_t    ac_btime;             /* starting time */
   65         uid_t     ac_uid;               /* user id */
   66         gid_t     ac_gid;               /* group id */
   67         float     ac_mem;               /* average memory usage */
   68         float     ac_io;                /* count of IO blocks */
   69         __dev_t   ac_tty;               /* controlling tty */
   70         uint32_t  ac_pad0;
   71         uint16_t  ac_len2;              /* record length */
   72         union {
   73                 uint32_t  ac_align;     /* force v1 compatible alignment */
   74 
   75 #define AFORK   0x01                    /* forked but not exec'ed */
   76 /* ASU is no longer supported */
   77 #define ASU     0x02                    /* used super-user permissions */
   78 #define ACOMPAT 0x04                    /* used compatibility mode */
   79 #define ACORE   0x08                    /* dumped core */
   80 #define AXSIG   0x10                    /* killed by a signal */
   81 #define ANVER   0x20                    /* new record version */
   82 
   83                 uint8_t   ac_flag;      /* accounting flags */
   84         } ac_trailer;
   85 
   86 #define ac_flagx ac_trailer.ac_flag
   87 };
   88 
   89 struct acctv2 {
   90         uint8_t   ac_zero;              /* zero identifies new version */
   91         uint8_t   ac_version;           /* record version number */
   92         uint16_t  ac_len;               /* record length */
   93 
   94         char      ac_comm[AC_COMM_LEN]; /* command name */
   95         float     ac_utime;             /* user time */
   96         float     ac_stime;             /* system time */
   97         float     ac_etime;             /* elapsed time */
   98         time_t    ac_btime;             /* starting time */
   99         uid_t     ac_uid;               /* user id */
  100         gid_t     ac_gid;               /* group id */
  101         float     ac_mem;               /* average memory usage */
  102         float     ac_io;                /* count of IO blocks */
  103         uint32_t  ac_tty;               /* controlling tty */
  104 
  105         uint16_t  ac_len2;              /* record length */
  106         union {
  107                 uint32_t   ac_align;    /* force v1 compatible alignment */
  108                 uint8_t   ac_flag;      /* accounting flags */
  109         } ac_trailer;
  110 };
  111 
  112 /*
  113  * Legacy accounting structure (rev. 1.5-1.18).
  114  * The first byte is always non-zero.
  115  * Some fields use a comp_t type which is a 3 bits base 8
  116  * exponent, 13 bit fraction ``floating point'' number.
  117  * Units are 1/AHZV1 seconds.
  118  */
  119 
  120 typedef uint16_t comp_t;
  121 
  122 struct acctv1 {
  123         char      ac_comm[AC_COMM_LEN]; /* command name */
  124         comp_t    ac_utime;             /* user time */
  125         comp_t    ac_stime;             /* system time */
  126         comp_t    ac_etime;             /* elapsed time */
  127         time_t    ac_btime;             /* starting time */
  128         uid_t     ac_uid;               /* user id */
  129         gid_t     ac_gid;               /* group id */
  130         uint16_t  ac_mem;               /* average memory usage */
  131         comp_t    ac_io;                /* count of IO blocks */
  132         uint32_t  ac_tty;               /* controlling tty */
  133         uint8_t   ac_flag;              /* accounting flags */
  134 };
  135 
  136 /*
  137  * 1/AHZV1 is the granularity of the data encoded in the comp_t fields.
  138  * This is not necessarily equal to hz.
  139  */
  140 #define AHZV1   64
  141 
  142 #ifdef _KERNEL
  143 struct thread;
  144 
  145 int     acct_process(struct thread *td);
  146 #undef float
  147 #endif
  148 
  149 #endif /* !_SYS_ACCT_H_ */

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

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sys/sys/acct.h