source: svn/trunk/newcon3bcm2_21bu/toolchain/mipsel-linux-uclibc/include/bits/utmp.h @ 2

/* The `struct utmp' type, describing entries in the utmp file.  GNU version.
   Copyright (C) 1993, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _UTMP_H
# error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
#endif

#include <paths.h>
#include <sys/time.h>
#include <sys/types.h>


#define UT_LINESIZE     32
#define UT_NAMESIZE     32
#define UT_HOSTSIZE     256


/* The structure describing an entry in the database of
   previous logins.  */
struct lastlog
  {
    __time_t ll_time;
    char ll_line[UT_LINESIZE];
    char ll_host[UT_HOSTSIZE];
  };


/* The structure describing the status of a terminated process.  This
   type is used in `struct utmp' below.  */
struct exit_status
  {
    short int e_termination;    /* Process termination status.  */
    short int e_exit;           /* Process exit status.  */
  };


/* The structure describing an entry in the user accounting database.  */
struct utmp
{
  short int ut_type;            /* Type of login.  */
  pid_t ut_pid;                 /* Process ID of login process.  */
  char ut_line[UT_LINESIZE];    /* Devicename.  */
  char ut_id[4];                /* Inittab ID.  */
  char ut_user[UT_NAMESIZE];    /* Username.  */
  char ut_host[UT_HOSTSIZE];    /* Hostname for remote login.  */
  struct exit_status ut_exit;   /* Exit status of a process marked
                                   as DEAD_PROCESS.  */
  long int ut_session;          /* Session ID, used for windowing.  */
  struct timeval ut_tv;         /* Time entry was made.  */
  int32_t ut_addr_v6[4];        /* Internet address of remote host.  */
  char __unused[20];            /* Reserved for future use.  */
};

/* Backwards compatibility hacks.  */
#define ut_name         ut_user
#ifndef _NO_UT_TIME
/* We have a problem here: `ut_time' is also used otherwise.  Define
   _NO_UT_TIME if the compiler complains.  */
# define ut_time        ut_tv.tv_sec
#endif
#define ut_xtime        ut_tv.tv_sec
#define ut_addr         ut_addr_v6[0]


/* Values for the `ut_type' field of a `struct utmp'.  */
#define EMPTY           0       /* No valid user accounting information.  */

#define RUN_LVL         1       /* The system's runlevel.  */
#define BOOT_TIME       2       /* Time of system boot.  */
#define NEW_TIME        3       /* Time after system clock changed.  */
#define OLD_TIME        4       /* Time when system clock changed.  */

#define INIT_PROCESS    5       /* Process spawned by the init process.  */
#define LOGIN_PROCESS   6       /* Session leader of a logged in user.  */
#define USER_PROCESS    7       /* Normal process.  */
#define DEAD_PROCESS    8       /* Terminated process.  */

#define ACCOUNTING      9

/* Old Linux name for the EMPTY type.  */
#define UT_UNKNOWN      EMPTY


/* Tell the user that we have a modern system with UT_HOST, UT_PID,
   UT_TYPE, UT_ID and UT_TV fields.  */
#define _HAVE_UT_TYPE   1
#define _HAVE_UT_PID    1
#define _HAVE_UT_ID     1
#define _HAVE_UT_TV     1
#define _HAVE_UT_HOST   1