diff options
Diffstat (limited to 'libc/sysdeps/linux/common/bits/utmp.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/utmp.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/utmp.h b/libc/sysdeps/linux/common/bits/utmp.h new file mode 100644 index 000000000..2ed29bbb4 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/utmp.h @@ -0,0 +1,106 @@ +/* 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 |