sysdeps/gnu/utmpbits.h

   1 /* The `struct utmp' type, describing entries in the utmp file.  GNU version.
   2    Copyright (C) 1993, 1996, 1997 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 _UTMPBITS_H
  20
  21 #define _UTMPBITS_H     1
  22 #include <features.h>
  23
  24 #include <paths.h>
  25 #include <sys/time.h>
  26 #include <sys/types.h>
  27
  28
  29 #define UT_UNKNOWN      0       /* for ut_type field */
  30
  31 #define RUN_LVL         1
  32 #define BOOT_TIME       2
  33 #define NEW_TIME        3
  34 #define OLD_TIME        4
  35
  36 #define INIT_PROCESS    5
  37 #define LOGIN_PROCESS   6
  38 #define USER_PROCESS    7
  39 #define DEAD_PROCESS    8
  40 #define ACCOUNTING      9
  41
  42 #define UT_LINESIZE     32
  43 #define UT_NAMESIZE     32
  44 #define UT_HOSTSIZE     256
  45
  46 __BEGIN_DECLS
  47
  48 struct lastlog
  49 {
  50   time_t ll_time;
  51   char ll_line[UT_LINESIZE];
  52   char ll_host[UT_HOSTSIZE];
  53 };
  54
  55
  56 /* XXX We are not ready to use this now.  It needs some more research.
  57    Simly copying the behaviour of other implementations is no big
  58    help.  */
  59 #if 0
  60 /* Which program created the record.  */
  61 enum utlogin
  62 {
  63   unknown,
  64   X,
  65   local,
  66   rlogin,
  67   telnet,
  68   rsh,
  69   ftp,
  70   screen,
  71   splitvt,
  72   xterm
  73   /* More could be added here.  */
  74 };
  75 #endif
  76
  77
  78 struct exit_status
  79 {
  80   short int e_termination;      /* Process termination status.  */
  81   short int e_exit;             /* Process exit status.  */
  82 };
  83
  84
  85 struct utmp
  86 {
  87   short int ut_type;            /* Type of login.  */
  88   pid_t ut_pid;                 /* Pid of login process.  */
  89   char ut_line[UT_LINESIZE];    /* NUL-terminated devicename of tty.  */
  90   char ut_id[4];                /* Inittab id. */
  91   char ut_user[UT_NAMESIZE];    /* Username (not NUL terminated).  */
  92 #define ut_name ut_user         /* Compatible field name for same.  */
  93   char ut_host[UT_HOSTSIZE];    /* Hostname for remote login.  */
  94   struct exit_status ut_exit;   /* The exit status of a process marked
  95                                    as DEAD_PROCESS.  */
  96   long ut_session;              /* Session ID, used for windowing.  */
  97   struct timeval ut_tv;         /* Time entry was made.  */
  98   int32_t ut_addr_v6[4];        /* Internet address of remote host.  */
  99   char pad[20];                 /* Reserved for future use.  */
 100 };
 101
 102 /* Backwards compatibility hacks.  */
 103 #ifndef _NO_UT_TIME
 104 /* We have a problem here: `ut_time' is also used otherwise.  Define
 105    _NO_UT_TIME if the compiler complains.  */
 106 # define ut_time        ut_tv.tv_sec
 107 #endif
 108 #define ut_xtime        ut_tv.tv_sec
 109 #define ut_addr         ut_addr_v6[0]
 110
 111 /* Tell the user that we have a modern system with UT_HOST, UT_PID,
 112    UT_TYPE, UT_ID and UT_TV fields.  */
 113 #define _HAVE_UT_TYPE   1
 114 #define _HAVE_UT_PID    1
 115 #define _HAVE_UT_ID     1
 116 #define _HAVE_UT_TV     1
 117 #define _HAVE_UT_HOST   1
 118
 119 __END_DECLS
 120
 121 #endif /* !_UTMP_H_ */