FreeBSD/Linux Kernel Cross Reference
sys/sys/acct.h
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 1.19 2007/05/22 06:51:37 dds Exp $
36 */
37
38 #ifndef _SYS_ACCT_H_
39 #define _SYS_ACCT_H_
40
41 #ifdef _KERNEL
42 #define float uint32_t
43 #endif
44
45 #define AC_COMM_LEN 16
46
47 /*
48 * Accounting structure version 2 (current).
49 * The first byte is always zero.
50 * Time units are microseconds.
51 */
52
53 struct acctv2 {
54 uint8_t ac_zero; /* zero identifies new version */
55 uint8_t ac_version; /* record version number */
56 uint16_t ac_len; /* record length */
57
58 char ac_comm[AC_COMM_LEN]; /* command name */
59 float ac_utime; /* user time */
60 float ac_stime; /* system time */
61 float ac_etime; /* elapsed time */
62 time_t ac_btime; /* starting time */
63 uid_t ac_uid; /* user id */
64 gid_t ac_gid; /* group id */
65 float ac_mem; /* average memory usage */
66 float ac_io; /* count of IO blocks */
67 __dev_t ac_tty; /* controlling tty */
68
69 uint16_t ac_len2; /* record length */
70 union {
71 __dev_t ac_align; /* force v1 compatible alignment */
72
73 #define AFORK 0x01 /* forked but not exec'ed */
74 /* ASU is no longer supported */
75 #define ASU 0x02 /* used super-user permissions */
76 #define ACOMPAT 0x04 /* used compatibility mode */
77 #define ACORE 0x08 /* dumped core */
78 #define AXSIG 0x10 /* killed by a signal */
79 #define ANVER 0x20 /* new record version */
80
81 uint8_t ac_flag; /* accounting flags */
82 } ac_trailer;
83
84 #define ac_flagx ac_trailer.ac_flag
85 };
86
87
88 /*
89 * Legacy accounting structure (rev. 1.5-1.18).
90 * The first byte is always non-zero.
91 * Some fields use a comp_t type which is a 3 bits base 8
92 * exponent, 13 bit fraction ``floating point'' number.
93 * Units are 1/AHZV1 seconds.
94 */
95
96 typedef uint16_t comp_t;
97
98 struct acctv1 {
99 char ac_comm[AC_COMM_LEN]; /* command name */
100 comp_t ac_utime; /* user time */
101 comp_t ac_stime; /* system time */
102 comp_t ac_etime; /* elapsed time */
103 time_t ac_btime; /* starting time */
104 uid_t ac_uid; /* user id */
105 gid_t ac_gid; /* group id */
106 uint16_t ac_mem; /* average memory usage */
107 comp_t ac_io; /* count of IO blocks */
108 __dev_t ac_tty; /* controlling tty */
109 uint8_t ac_flag; /* accounting flags */
110 };
111
112 /*
113 * 1/AHZV1 is the granularity of the data encoded in the comp_t fields.
114 * This is not necessarily equal to hz.
115 */
116 #define AHZV1 64
117
118 #ifdef _KERNEL
119 struct thread;
120
121 int acct_process(struct thread *td);
122 #undef float
123 #endif
124
125 #endif /* !_SYS_ACCT_H_ */
126
|