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Annotation of kernel/bsd/sys/acct.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: /*-
        !            27:  * Copyright (c) 1990, 1993, 1994
        !            28:  *     The Regents of the University of California.  All rights reserved.
        !            29:  * (c) UNIX System Laboratories, Inc.
        !            30:  * All or some portions of this file are derived from material licensed
        !            31:  * to the University of California by American Telephone and Telegraph
        !            32:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
        !            33:  * the permission of UNIX System Laboratories, Inc.
        !            34:  *
        !            35:  * Redistribution and use in source and binary forms, with or without
        !            36:  * modification, are permitted provided that the following conditions
        !            37:  * are met:
        !            38:  * 1. Redistributions of source code must retain the above copyright
        !            39:  *    notice, this list of conditions and the following disclaimer.
        !            40:  * 2. Redistributions in binary form must reproduce the above copyright
        !            41:  *    notice, this list of conditions and the following disclaimer in the
        !            42:  *    documentation and/or other materials provided with the distribution.
        !            43:  * 3. All advertising materials mentioning features or use of this software
        !            44:  *    must display the following acknowledgement:
        !            45:  *     This product includes software developed by the University of
        !            46:  *     California, Berkeley and its contributors.
        !            47:  * 4. Neither the name of the University nor the names of its contributors
        !            48:  *    may be used to endorse or promote products derived from this software
        !            49:  *    without specific prior written permission.
        !            50:  *
        !            51:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            52:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            53:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            54:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            55:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            56:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            57:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            58:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            59:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            60:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            61:  * SUCH DAMAGE.
        !            62:  *
        !            63:  *     @(#)acct.h      8.4 (Berkeley) 1/9/95
        !            64:  */
        !            65: 
        !            66: /*
        !            67:  * Accounting structures; these use a comp_t type which is a 3 bits base 8
        !            68:  * exponent, 13 bit fraction ``floating point'' number.  Units are 1/AHZ
        !            69:  * seconds.
        !            70:  */
        !            71: typedef u_int16_t comp_t;
        !            72: 
        !            73: struct acct {
        !            74:        char      ac_comm[10];  /* command name */
        !            75:        comp_t    ac_utime;     /* user time */
        !            76:        comp_t    ac_stime;     /* system time */
        !            77:        comp_t    ac_etime;     /* elapsed time */
        !            78:        time_t    ac_btime;     /* starting time */
        !            79:        uid_t     ac_uid;       /* user id */
        !            80:        gid_t     ac_gid;       /* group id */
        !            81:        u_int16_t ac_mem;       /* average memory usage */
        !            82:        comp_t    ac_io;        /* count of IO blocks */
        !            83:        dev_t     ac_tty;       /* controlling tty */
        !            84: 
        !            85: #define        AFORK   0x01            /* fork'd but not exec'd */
        !            86: #define        ASU     0x02            /* used super-user permissions */
        !            87: #define        ACOMPAT 0x04            /* used compatibility mode */
        !            88: #define        ACORE   0x08            /* dumped core */
        !            89: #define        AXSIG   0x10            /* killed by a signal */
        !            90:        u_int8_t  ac_flag;      /* accounting flags */
        !            91: };
        !            92: 
        !            93: /*
        !            94:  * 1/AHZ is the granularity of the data encoded in the comp_t fields.
        !            95:  * This is not necessarily equal to hz.
        !            96:  */
        !            97: #define        AHZ     64
        !            98: 
        !            99: #ifdef _KERNEL
        !           100: extern struct vnode    *acctp;
        !           101: 
        !           102: int    acct_process __P((struct proc *p));
        !           103: #endif

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