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