1/* Structures and definitions for the user accounting database. GNU version.
2 Copyright (C) 1997-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#ifndef _UTMPX_H
20# error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
21#endif
22
23#include <bits/types.h>
24#include <sys/time.h>
25#include <bits/wordsize.h>
26
27
28#ifdef __USE_GNU
29# include <paths.h>
30# define _PATH_UTMPX _PATH_UTMP
31# define _PATH_WTMPX _PATH_WTMP
32#endif
33
34
35#define __UT_LINESIZE 32
36#define __UT_NAMESIZE 32
37#define __UT_HOSTSIZE 256
38
39
40/* The structure describing the status of a terminated process. This
41 type is used in `struct utmpx' below. */
42struct __exit_status
43 {
44#ifdef __USE_GNU
45 short int e_termination; /* Process termination status. */
46 short int e_exit; /* Process exit status. */
47#else
48 short int __e_termination; /* Process termination status. */
49 short int __e_exit; /* Process exit status. */
50#endif
51 };
52
53
54/* The structure describing an entry in the user accounting database. */
55struct utmpx
56{
57 short int ut_type; /* Type of login. */
58 __pid_t ut_pid; /* Process ID of login process. */
59 char ut_line[__UT_LINESIZE]; /* Devicename. */
60 char ut_id[4]; /* Inittab ID. */
61 char ut_user[__UT_NAMESIZE]; /* Username. */
62 char ut_host[__UT_HOSTSIZE]; /* Hostname for remote login. */
63 struct __exit_status ut_exit; /* Exit status of a process marked
64 as DEAD_PROCESS. */
65
66/* The fields ut_session and ut_tv must be the same size when compiled
67 32- and 64-bit. This allows files and shared memory to be shared
68 between 32- and 64-bit applications. */
69#ifdef __WORDSIZE_TIME64_COMPAT32
70 __int32_t ut_session; /* Session ID, used for windowing. */
71 struct
72 {
73 __int32_t tv_sec; /* Seconds. */
74 __int32_t tv_usec; /* Microseconds. */
75 } ut_tv; /* Time entry was made. */
76#else
77 long int ut_session; /* Session ID, used for windowing. */
78 struct timeval ut_tv; /* Time entry was made. */
79#endif
80 __int32_t ut_addr_v6[4]; /* Internet address of remote host. */
81 char __glibc_reserved[20]; /* Reserved for future use. */
82};
83
84
85/* Values for the `ut_type' field of a `struct utmpx'. */
86#define EMPTY 0 /* No valid user accounting information. */
87
88#ifdef __USE_GNU
89# define RUN_LVL 1 /* The system's runlevel. */
90#endif
91#define BOOT_TIME 2 /* Time of system boot. */
92#define NEW_TIME 3 /* Time after system clock changed. */
93#define OLD_TIME 4 /* Time when system clock changed. */
94
95#define INIT_PROCESS 5 /* Process spawned by the init process. */
96#define LOGIN_PROCESS 6 /* Session leader of a logged in user. */
97#define USER_PROCESS 7 /* Normal process. */
98#define DEAD_PROCESS 8 /* Terminated process. */
99
100#ifdef __USE_GNU
101# define ACCOUNTING 9 /* System accounting. */
102#endif
103