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  * $FreeBSD$
   38  */
   39 
   40 #ifndef _SYS_ACCT_H_
   41 #define _SYS_ACCT_H_
   42 
   43 #ifdef _KERNEL
   44 #define float uint32_t
   45 #else
   46 #include <sys/types.h>
   47 #endif
   48 
   49 #define AC_COMM_LEN 16
   50 
   51 /*
   52  * Accounting structure version 3 (current).
   53  * The first byte is always zero.
   54  * Time units are microseconds.
   55  */
   56 
   57 struct acctv3 {
   58         uint8_t   ac_zero;              /* zero identifies new version */
   59         uint8_t   ac_version;           /* record version number */
   60         uint16_t  ac_len;               /* record length */
   61 
   62         char      ac_comm[AC_COMM_LEN]; /* command name */
   63         float     ac_utime;             /* user time */
   64         float     ac_stime;             /* system time */
   65         float     ac_etime;             /* elapsed time */
   66         time_t    ac_btime;             /* starting time */
   67         uid_t     ac_uid;               /* user id */
   68         gid_t     ac_gid;               /* group id */
   69         float     ac_mem;               /* average memory usage */
   70         float     ac_io;                /* count of IO blocks */
   71         __dev_t   ac_tty;               /* controlling tty */
   72         uint32_t  ac_pad0;
   73         uint16_t  ac_len2;              /* record length */
   74         union {
   75                 uint32_t  ac_align;     /* force v1 compatible alignment */
   76 
   77 #define AFORK   0x01                    /* forked but not exec'ed */
   78 /* ASU is no longer supported */
   79 #define ASU     0x02                    /* used super-user permissions */
   80 #define ACOMPAT 0x04                    /* used compatibility mode */
   81 #define ACORE   0x08                    /* dumped core */
   82 #define AXSIG   0x10                    /* killed by a signal */
   83 #define ANVER   0x20                    /* new record version */
   84 
   85                 uint8_t   ac_flag;      /* accounting flags */
   86         } ac_trailer;
   87 
   88 #define ac_flagx ac_trailer.ac_flag
   89 };
   90 
   91 struct acctv2 {
   92         uint8_t   ac_zero;              /* zero identifies new version */
   93         uint8_t   ac_version;           /* record version number */
   94         uint16_t  ac_len;               /* record length */
   95 
   96         char      ac_comm[AC_COMM_LEN]; /* command name */
   97         float     ac_utime;             /* user time */
   98         float     ac_stime;             /* system time */
   99         float     ac_etime;             /* elapsed time */
  100         time_t    ac_btime;             /* starting time */
  101         uid_t     ac_uid;               /* user id */
  102         gid_t     ac_gid;               /* group id */
  103         float     ac_mem;               /* average memory usage */
  104         float     ac_io;                /* count of IO blocks */
  105         uint32_t  ac_tty;               /* controlling tty */
  106 
  107         uint16_t  ac_len2;              /* record length */
  108         union {
  109                 uint32_t   ac_align;    /* force v1 compatible alignment */
  110                 uint8_t   ac_flag;      /* accounting flags */
  111         } ac_trailer;
  112 };
  113 
  114 /*
  115  * Legacy accounting structure (rev. 1.5-1.18).
  116  * The first byte is always non-zero.
  117  * Some fields use a comp_t type which is a 3 bits base 8
  118  * exponent, 13 bit fraction ``floating point'' number.
  119  * Units are 1/AHZV1 seconds.
  120  */
  121 
  122 typedef uint16_t comp_t;
  123 
  124 struct acctv1 {
  125         char      ac_comm[AC_COMM_LEN]; /* command name */
  126         comp_t    ac_utime;             /* user time */
  127         comp_t    ac_stime;             /* system time */
  128         comp_t    ac_etime;             /* elapsed time */
  129         time_t    ac_btime;             /* starting time */
  130         uid_t     ac_uid;               /* user id */
  131         gid_t     ac_gid;               /* group id */
  132         uint16_t  ac_mem;               /* average memory usage */
  133         comp_t    ac_io;                /* count of IO blocks */
  134         uint32_t  ac_tty;               /* controlling tty */
  135         uint8_t   ac_flag;              /* accounting flags */
  136 };
  137 
  138 /*
  139  * 1/AHZV1 is the granularity of the data encoded in the comp_t fields.
  140  * This is not necessarily equal to hz.
  141  */
  142 #define AHZV1   64
  143 
  144 #ifdef _KERNEL
  145 struct thread;
  146 
  147 int     acct_process(struct thread *td);
  148 #undef float
  149 #endif
  150 
  151 #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