bsd/sys/acct.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  29 /*-
  30  * Copyright (c) 1990, 1993, 1994
  31  *      The Regents of the University of California.  All rights reserved.
  32  * (c) UNIX System Laboratories, Inc.
  33  * All or some portions of this file are derived from material licensed
  34  * to the University of California by American Telephone and Telegraph
  35  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  36  * the permission of UNIX System Laboratories, Inc.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  * 1. Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  * 2. Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in the
  45  *    documentation and/or other materials provided with the distribution.
  46  * 3. All advertising materials mentioning features or use of this software
  47  *    must display the following acknowledgement:
  48  *      This product includes software developed by the University of
  49  *      California, Berkeley and its contributors.
  50  * 4. Neither the name of the University nor the names of its contributors
  51  *    may be used to endorse or promote products derived from this software
  52  *    without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  64  * SUCH DAMAGE.
  65  *
  66  *      @(#)acct.h      8.4 (Berkeley) 1/9/95
  67  */
  68 #ifndef _SYS_ACCT_H_
  69 #define _SYS_ACCT_H_
  70
  71 #include <sys/appleapiopts.h>
  72 #include <sys/cdefs.h>
  73 #include <sys/_types/_u_int16_t.h> /* u_int16_t */
  74 #include <sys/_types/_u_int32_t.h> /* u_int32_t */
  75 #include <sys/_types/_uid_t.h>     /* uid_t */
  76
  77 /*
  78  * Accounting structures; these use a comp_t type which is a 3 bits base 8
  79  * exponent, 13 bit fraction ``floating point'' number.  Units are 1/AHZ
  80  * seconds.
  81  */
  82 typedef u_int16_t comp_t;
  83
  84 struct acct {
  85         char      ac_comm[10];  /* command name */
  86         comp_t    ac_utime;     /* user time */
  87         comp_t    ac_stime;     /* system time */
  88         comp_t    ac_etime;     /* elapsed time */
  89         u_int32_t ac_btime;     /* starting time */
  90         uid_t     ac_uid;       /* user id */
  91         gid_t     ac_gid;       /* group id */
  92         u_int16_t ac_mem;       /* average memory usage */
  93         comp_t    ac_io;        /* count of IO blocks */
  94         dev_t     ac_tty;       /* controlling tty */
  95
  96 #define AFORK   0x01            /* fork'd but not exec'd */
  97 #define ASU     0x02            /* used super-user permissions */
  98 #define ACOMPAT 0x04            /* used compatibility mode */
  99 #define ACORE   0x08            /* dumped core */
 100 #define AXSIG   0x10            /* killed by a signal */
 101         u_int8_t  ac_flag;      /* accounting flags */
 102 };
 103
 104 /*
 105  * 1/AHZ is the granularity of the data encoded in the comp_t fields.
 106  * This is not necessarily equal to hz.
 107  */
 108 #define AHZ     64
 109
 110 #ifdef KERNEL
 111 #ifdef __APPLE_API_PRIVATE
 112 extern struct vnode     *acctp;
 113
 114 __BEGIN_DECLS
 115 int     acct_process(struct proc *p);
 116 __END_DECLS
 117
 118 #endif /* __APPLE_API_PRIVATE */
 119 #endif /* KERNEL */
 120
 121 #endif /* ! _SYS_ACCT_H_ */