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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/* Structures and definitions for the user accounting database. GNU version.
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Copyright (C) 1997-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _UTMPX_H
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# error "Never include <bits/utmpx.h> directly; use <utmpx.h> instead."
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#endif
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#include <bits/types.h>
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#include <sys/time.h>
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#include <bits/wordsize.h>
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#ifdef __USE_GNU
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# include <paths.h>
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# define _PATH_UTMPX _PATH_UTMP
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# define _PATH_WTMPX _PATH_WTMP
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#endif
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#define __UT_LINESIZE 32
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#define __UT_NAMESIZE 32
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#define __UT_HOSTSIZE 256
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/* The structure describing the status of a terminated process. This
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type is used in `struct utmpx' below. */
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struct __exit_status
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{
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#ifdef __USE_GNU
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short int e_termination; /* Process termination status. */
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short int e_exit; /* Process exit status. */
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#else
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short int __e_termination; /* Process termination status. */
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short int __e_exit; /* Process exit status. */
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#endif
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};
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/* The structure describing an entry in the user accounting database. */
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struct utmpx
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{
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short int ut_type; /* Type of login. */
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__pid_t ut_pid; /* Process ID of login process. */
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char ut_line[__UT_LINESIZE]
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__attribute_nonstring__; /* Devicename. */
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char ut_id[4]
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__attribute_nonstring__; /* Inittab ID. */
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char ut_user[__UT_NAMESIZE]
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__attribute_nonstring__; /* Username. */
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char ut_host[__UT_HOSTSIZE]
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__attribute_nonstring__; /* Hostname for remote login. */
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struct __exit_status ut_exit; /* Exit status of a process marked
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as DEAD_PROCESS. */
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/* The fields ut_session and ut_tv must be the same size when compiled
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32- and 64-bit. This allows files and shared memory to be shared
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between 32- and 64-bit applications. */
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#if __WORDSIZE == 32
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__int64_t ut_session; /* Session ID, used for windowing. */
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struct
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{
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__int64_t tv_sec; /* Seconds. */
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__int64_t tv_usec; /* Microseconds. */
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} ut_tv; /* Time entry was made. */
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#else
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long int ut_session; /* Session ID, used for windowing. */
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struct timeval ut_tv; /* Time entry was made. */
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#endif
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__int32_t ut_addr_v6[4]; /* Internet address of remote host. */
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char __glibc_reserved[20]; /* Reserved for future use. */
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};
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/* Values for the `ut_type' field of a `struct utmpx'. */
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#define EMPTY 0 /* No valid user accounting information. */
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#ifdef __USE_GNU
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# define RUN_LVL 1 /* The system's runlevel. */
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#endif
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#define BOOT_TIME 2 /* Time of system boot. */
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#define NEW_TIME 3 /* Time after system clock changed. */
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#define OLD_TIME 4 /* Time when system clock changed. */
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#define INIT_PROCESS 5 /* Process spawned by the init process. */
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#define LOGIN_PROCESS 6 /* Session leader of a logged in user. */
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#define USER_PROCESS 7 /* Normal process. */
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#define DEAD_PROCESS 8 /* Terminated process. */
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#ifdef __USE_GNU
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# define ACCOUNTING 9 /* System accounting. */
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#endif
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