Add an UPDATING entry and warning about the change in r274807 to help users
[freebsd-src.git] / include / utmpx.h
blob22707e4d368120c2ef69a72fededc9c949788330
1 /*-
2 * Copyright (c) 2010 Ed Schouten <ed@FreeBSD.org>
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
26 * $FreeBSD$
29 #ifndef _UTMPX_H_
30 #define _UTMPX_H_
32 #include <sys/cdefs.h>
33 #include <sys/_timeval.h>
34 #include <sys/_types.h>
36 #ifndef _PID_T_DECLARED
37 typedef __pid_t pid_t;
38 #define _PID_T_DECLARED
39 #endif
41 struct utmpx {
42 short ut_type; /* Type of entry. */
43 struct timeval ut_tv; /* Time entry was made. */
44 char ut_id[8]; /* Record identifier. */
45 pid_t ut_pid; /* Process ID. */
46 char ut_user[32]; /* User login name. */
47 char ut_line[16]; /* Device name. */
48 #if __BSD_VISIBLE
49 char ut_host[128]; /* Remote hostname. */
50 #else
51 char __ut_host[128];
52 #endif
53 char __ut_spare[64];
56 #define EMPTY 0 /* No valid user accounting information. */
57 #define BOOT_TIME 1 /* Time of system boot. */
58 #define OLD_TIME 2 /* Time when system clock changed. */
59 #define NEW_TIME 3 /* Time after system clock changed. */
60 #define USER_PROCESS 4 /* A process. */
61 #define INIT_PROCESS 5 /* A process spawned by the init process. */
62 #define LOGIN_PROCESS 6 /* The session leader of a logged-in user. */
63 #define DEAD_PROCESS 7 /* A session leader who has exited. */
64 #if __BSD_VISIBLE
65 #define SHUTDOWN_TIME 8 /* Time of system shutdown. */
66 #endif
68 #if __BSD_VISIBLE
69 #define UTXDB_ACTIVE 0 /* Active login sessions. */
70 #define UTXDB_LASTLOGIN 1 /* Last login sessions. */
71 #define UTXDB_LOG 2 /* Log indexed by time. */
72 #endif
74 __BEGIN_DECLS
75 void endutxent(void);
76 struct utmpx *getutxent(void);
77 struct utmpx *getutxid(const struct utmpx *);
78 struct utmpx *getutxline(const struct utmpx *);
79 struct utmpx *pututxline(const struct utmpx *);
80 void setutxent(void);
82 #if __BSD_VISIBLE
83 struct utmpx *getutxuser(const char *);
84 int setutxdb(int, const char *);
85 #endif
86 __END_DECLS
88 #endif /* !_UTMPX_H_ */