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glibc  2.9
utmp.h
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00001 /* The `struct utmp' type, describing entries in the utmp file.  AIX.
00002    Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef _UTMP_H
00021 # error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
00022 #endif
00023 
00024 #include <paths.h>
00025 #include <sys/time.h>
00026 #include <sys/types.h>
00027 
00028 
00029 #define UT_LINESIZE  12
00030 #define UT_NAMESIZE  8
00031 #define UT_HOSTSIZE  16
00032 
00033 
00034 struct utmp
00035   {
00036 #define       ut_name       ut_user
00037     char ut_user[UT_NAMESIZE];
00038     char ut_id[14];
00039     char ut_line[UT_LINESIZE];
00040     short int ut_type;
00041     short int ut_pid;
00042     struct exit_status
00043       {
00044        short int e_termination;
00045        short int e_exit;
00046       } ut_exit;
00047     __time_t ut_time;
00048     char ut_host[UT_HOSTSIZE];
00049   };
00050 
00051 
00052 /* Values for the `ut_type' field of a `struct utmp'.  */
00053 #define EMPTY        0      /* No valid user accounting information.  */
00054 
00055 #define RUN_LVL             1      /* The system's runlevel.  */
00056 #define BOOT_TIME    2      /* Time of system boot.  */
00057 #define OLD_TIME     3      /* Time when system clock changed.  */
00058 #define NEW_TIME     4      /* Time after system clock changed.  */
00059 
00060 #define INIT_PROCESS 5      /* Process spawned by the init process.  */
00061 #define LOGIN_PROCESS       6      /* Session leader of a logged in user.  */
00062 #define USER_PROCESS 7      /* Normal process.  */
00063 #define DEAD_PROCESS 8      /* Terminated process.  */
00064 
00065 #define ACCOUNTING   9
00066 
00067 
00068 /* Tell the user that we have a modern system with UT_HOST, UT_TYPE, and
00069    UT_ID fields.  */
00070 #define _HAVE_UT_TYPE       1
00071 #define _HAVE_UT_PID 1
00072 #define _HAVE_UT_ID  1
00073 #define _HAVE_UT_HOST       1