]>
Commit | Line | Data |
---|---|---|
4057dc45 | 1 | /* The `struct utmp' type, describing entries in the utmp file. GNU version. |
04277e02 | 2 | Copyright (C) 1993-2019 Free Software Foundation, Inc. |
4057dc45 UD |
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 | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
4057dc45 UD |
18 | |
19 | #ifndef _UTMP_H | |
20 | # error "Never include <bits/utmp.h> directly; use <utmp.h> instead." | |
21 | #endif | |
22 | ||
23 | #include <paths.h> | |
24 | #include <sys/time.h> | |
25 | #include <sys/types.h> | |
26 | #include <bits/wordsize.h> | |
27 | ||
28 | ||
29 | #define UT_LINESIZE 32 | |
30 | #define UT_NAMESIZE 32 | |
31 | #define UT_HOSTSIZE 256 | |
32 | ||
33 | ||
34 | /* The structure describing an entry in the database of | |
35 | previous logins. */ | |
36 | struct lastlog | |
37 | { | |
38 | #if __WORDSIZE == 32 | |
39 | int64_t ll_time; | |
40 | #else | |
41 | __time_t ll_time; | |
42 | #endif | |
43 | char ll_line[UT_LINESIZE]; | |
44 | char ll_host[UT_HOSTSIZE]; | |
45 | }; | |
46 | ||
47 | ||
48 | /* The structure describing the status of a terminated process. This | |
49 | type is used in `struct utmp' below. */ | |
50 | struct exit_status | |
51 | { | |
52 | short int e_termination; /* Process termination status. */ | |
53 | short int e_exit; /* Process exit status. */ | |
54 | }; | |
55 | ||
56 | ||
57 | /* The structure describing an entry in the user accounting database. */ | |
58 | struct utmp | |
59 | { | |
60 | short int ut_type; /* Type of login. */ | |
61 | pid_t ut_pid; /* Process ID of login process. */ | |
7532837d MS |
62 | char ut_line[UT_LINESIZE] |
63 | __attribute_nonstring__; /* Devicename. */ | |
4057dc45 | 64 | char ut_id[4]; /* Inittab ID. */ |
7532837d MS |
65 | char ut_user[UT_NAMESIZE] |
66 | __attribute_nonstring__; /* Username. */ | |
67 | char ut_host[UT_HOSTSIZE] | |
68 | __attribute_nonstring__; /* Hostname for remote login. */ | |
4057dc45 UD |
69 | struct exit_status ut_exit; /* Exit status of a process marked |
70 | as DEAD_PROCESS. */ | |
71 | /* The ut_session and ut_tv fields must be the same size when compiled | |
72 | 32- and 64-bit. This allows data files and shared memory to be | |
73 | shared between 32- and 64-bit applications. */ | |
74 | #if __WORDSIZE == 32 | |
75 | int64_t ut_session; /* Session ID, used for windowing. */ | |
76 | struct | |
77 | { | |
78 | int64_t tv_sec; /* Seconds. */ | |
79 | int64_t tv_usec; /* Microseconds. */ | |
80 | } ut_tv; /* Time entry was made. */ | |
81 | #else | |
82 | long int ut_session; /* Session ID, used for windowing. */ | |
83 | struct timeval ut_tv; /* Time entry was made. */ | |
84 | #endif | |
85 | ||
86 | int32_t ut_addr_v6[4]; /* Internet address of remote host. */ | |
d1d9eaf4 | 87 | char __glibc_reserved[20]; /* Reserved for future use. */ |
4057dc45 UD |
88 | }; |
89 | ||
90 | /* Backwards compatibility hacks. */ | |
91 | #define ut_name ut_user | |
92 | #ifndef _NO_UT_TIME | |
93 | /* We have a problem here: `ut_time' is also used otherwise. Define | |
94 | _NO_UT_TIME if the compiler complains. */ | |
95 | # define ut_time ut_tv.tv_sec | |
96 | #endif | |
97 | #define ut_xtime ut_tv.tv_sec | |
98 | #define ut_addr ut_addr_v6[0] | |
99 | ||
100 | ||
101 | /* Values for the `ut_type' field of a `struct utmp'. */ | |
102 | #define EMPTY 0 /* No valid user accounting information. */ | |
103 | ||
104 | #define RUN_LVL 1 /* The system's runlevel. */ | |
105 | #define BOOT_TIME 2 /* Time of system boot. */ | |
106 | #define NEW_TIME 3 /* Time after system clock changed. */ | |
107 | #define OLD_TIME 4 /* Time when system clock changed. */ | |
108 | ||
109 | #define INIT_PROCESS 5 /* Process spawned by the init process. */ | |
110 | #define LOGIN_PROCESS 6 /* Session leader of a logged in user. */ | |
111 | #define USER_PROCESS 7 /* Normal process. */ | |
112 | #define DEAD_PROCESS 8 /* Terminated process. */ | |
113 | ||
114 | #define ACCOUNTING 9 | |
115 | ||
116 | /* Old Linux name for the EMPTY type. */ | |
117 | #define UT_UNKNOWN EMPTY | |
118 | ||
119 | ||
120 | /* Tell the user that we have a modern system with UT_HOST, UT_PID, | |
121 | UT_TYPE, UT_ID and UT_TV fields. */ | |
122 | #define _HAVE_UT_TYPE 1 | |
123 | #define _HAVE_UT_PID 1 | |
124 | #define _HAVE_UT_ID 1 | |
125 | #define _HAVE_UT_TV 1 | |
126 | #define _HAVE_UT_HOST 1 |