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 * $FreeBSD$
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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