sysdeps/gnu/bits/utmpx.h

   1 /* Structures and defenitions for the user accounting database.  GNU version.
   2    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  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
  26
  27 #ifdef __USE_GNU
  28 # include <paths.h>
  29 # define _PATH_UTMPX    _PATH_UTMP
  30 # define _PATH_WTMPX    _PATH_WTMP
  31 #endif
  32
  33
  34 #define __UT_LINESIZE   32
  35 #define __UT_NAMESIZE   32
  36 #define __UT_HOSTSIZE   256
  37
  38
  39 /* The structure describing the status of a terminated process.  This
  40    type is used in `struct utmpx' below.  */
  41 struct __exit_status
  42   {
  43 #ifdef __USE_GNU
  44     short int e_termination;    /* Process termination status.  */
  45     short int e_exit;           /* Process exit status.  */
  46 #else
  47     short int __e_termination;  /* Process termination status.  */
  48     short int __e_exit;         /* Process exit status.  */
  49 #endif
  50   };
  51
  52
  53 /* The structure describing an entry in the user accounting database.  */
  54 struct utmpx
  55 {
  56   short int ut_type;            /* Type of login.  */
  57   __pid_t ut_pid;               /* Process ID of login process.  */
  58   char ut_line[__UT_LINESIZE];  /* Devicename.  */
  59   char ut_id[4];                /* Inittab ID. */
  60   char ut_user[__UT_NAMESIZE];  /* Username.  */
  61   char ut_host[__UT_HOSTSIZE];  /* Hostname for remote login.  */
  62   struct __exit_status ut_exit; /* Exit status of a process marked
  63                                    as DEAD_PROCESS.  */
  64   long int ut_session;          /* Session ID, used for windowing.  */
  65   struct timeval ut_tv;         /* Time entry was made.  */
  66   __int32_t ut_addr_v6[4];      /* Internet address of remote host.  */
  67   char __unused[20];            /* Reserved for future use.  */
  68 };
  69
  70
  71 /* Values for the `ut_type' field of a `struct utmpx'.  */
  72 #define EMPTY           0       /* No valid user accounting information.  */
  73
  74 #define RUN_LVL         1       /* The system's runlevel.  */
  75 #define BOOT_TIME       2       /* Time of system boot.  */
  76 #define NEW_TIME        3       /* Time after system clock changed.  */
  77 #define OLD_TIME        4       /* Time when system clock changed.  */
  78
  79 #define INIT_PROCESS    5       /* Process spawned by the init process.  */
  80 #define LOGIN_PROCESS   6       /* Session leader of a logged in user.  */
  81 #define USER_PROCESS    7       /* Normal process.  */
  82 #define DEAD_PROCESS    8       /* Terminated process.  */
  83
  84 #ifdef __USE_GNU
  85 # define ACCOUNTING     9       /* System accounting.  */
  86 #endif