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      1 /* Structures and definitions for the user accounting database.  GNU version.
      2    Copyright (C) 1997, 1998, 2000, 2001, 2002 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, write to the Free
     17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     18    02111-1307 USA.  */
     19 
     20 #ifndef _UTMPX_H
     21 # error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
     22 #endif
     23 
     24 #include <bits/types.h>
     25 #include <sys/time.h>
     26 #include <bits/wordsize.h>
     27 
     28 
     29 #ifdef __USE_GNU
     30 # include <paths.h>
     31 # define _PATH_UTMPX	_PATH_UTMP
     32 # define _PATH_WTMPX	_PATH_WTMP
     33 #endif
     34 
     35 
     36 #define __UT_LINESIZE	32
     37 #define __UT_NAMESIZE	32
     38 #define __UT_HOSTSIZE	256
     39 
     40 
     41 /* The structure describing the status of a terminated process.  This
     42    type is used in `struct utmpx' below.  */
     43 struct __exit_status
     44   {
     45 #ifdef __USE_GNU
     46     short int e_termination;	/* Process termination status.  */
     47     short int e_exit;		/* Process exit status.  */
     48 #else
     49     short int __e_termination;	/* Process termination status.  */
     50     short int __e_exit;		/* Process exit status.  */
     51 #endif
     52   };
     53 
     54 
     55 /* The structure describing an entry in the user accounting database.  */
     56 struct utmpx
     57 {
     58   short int ut_type;		/* Type of login.  */
     59   __pid_t ut_pid;		/* Process ID of login process.  */
     60   char ut_line[__UT_LINESIZE];	/* Devicename.  */
     61   char ut_id[4];		/* Inittab ID. */
     62   char ut_user[__UT_NAMESIZE];	/* Username.  */
     63   char ut_host[__UT_HOSTSIZE];	/* Hostname for remote login.  */
     64   struct __exit_status ut_exit;	/* Exit status of a process marked
     65 				   as DEAD_PROCESS.  */
     66 
     67 /* The fields ut_session and ut_tv must be the same size when compiled
     68    32- and 64-bit.  This allows files and shared memory to be shared
     69    between 32- and 64-bit applications.  */
     70 #if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
     71   __int32_t ut_session;		/* Session ID, used for windowing.  */
     72   struct
     73   {
     74     __int32_t tv_sec;		/* Seconds.  */
     75     __int32_t tv_usec;		/* Microseconds.  */
     76   } ut_tv;			/* Time entry was made.  */
     77 #else
     78   long int ut_session;		/* Session ID, used for windowing.  */
     79   struct timeval ut_tv;		/* Time entry was made.  */
     80 #endif
     81   __int32_t ut_addr_v6[4];	/* Internet address of remote host.  */
     82   char __unused[20];		/* Reserved for future use.  */
     83 };
     84 
     85 
     86 /* Values for the `ut_type' field of a `struct utmpx'.  */
     87 #define EMPTY		0	/* No valid user accounting information.  */
     88 
     89 #ifdef __USE_GNU
     90 # define RUN_LVL	1	/* The system's runlevel.  */
     91 #endif
     92 #define BOOT_TIME	2	/* Time of system boot.  */
     93 #define NEW_TIME	3	/* Time after system clock changed.  */
     94 #define OLD_TIME	4	/* Time when system clock changed.  */
     95 
     96 #define INIT_PROCESS	5	/* Process spawned by the init process.  */
     97 #define LOGIN_PROCESS	6	/* Session leader of a logged in user.  */
     98 #define USER_PROCESS	7	/* Normal process.  */
     99 #define DEAD_PROCESS	8	/* Terminated process.  */
    100 
    101 #ifdef __USE_GNU
    102 # define ACCOUNTING	9	/* System accounting.  */
    103 #endif
    104