/* Copyright (C) 1996-2021 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 _SYS_ACCT_H
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#define _SYS_ACCT_H 1
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#include <sys/types.h>
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#include <stdint.h>
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#include <bits/endian.h>
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#include <bits/types/time_t.h>
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__BEGIN_DECLS
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#define ACCT_COMM 16
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/*
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comp_t is a 16-bit "floating" point number with a 3-bit base 8
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exponent and a 13-bit fraction. See linux/kernel/acct.c for the
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specific encoding system used.
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*/
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typedef uint16_t comp_t;
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struct acct
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{
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char ac_flag; /* Flags. */
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uint16_t ac_uid; /* Real user ID. */
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uint16_t ac_gid; /* Real group ID. */
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uint16_t ac_tty; /* Controlling terminal. */
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uint32_t ac_btime; /* Beginning time. */
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comp_t ac_utime; /* User time. */
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comp_t ac_stime; /* System time. */
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comp_t ac_etime; /* Elapsed time. */
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comp_t ac_mem; /* Average memory usage. */
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comp_t ac_io; /* Chars transferred. */
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comp_t ac_rw; /* Blocks read or written. */
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comp_t ac_minflt; /* Minor pagefaults. */
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comp_t ac_majflt; /* Major pagefaults. */
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comp_t ac_swaps; /* Number of swaps. */
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uint32_t ac_exitcode; /* Process exitcode. */
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char ac_comm[ACCT_COMM+1]; /* Command name. */
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char ac_pad[10]; /* Padding bytes. */
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};
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struct acct_v3
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{
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char ac_flag; /* Flags */
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char ac_version; /* Always set to ACCT_VERSION */
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uint16_t ac_tty; /* Control Terminal */
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uint32_t ac_exitcode; /* Exitcode */
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uint32_t ac_uid; /* Real User ID */
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uint32_t ac_gid; /* Real Group ID */
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uint32_t ac_pid; /* Process ID */
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uint32_t ac_ppid; /* Parent Process ID */
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uint32_t ac_btime; /* Process Creation Time */
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float ac_etime; /* Elapsed Time */
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comp_t ac_utime; /* User Time */
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comp_t ac_stime; /* System Time */
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comp_t ac_mem; /* Average Memory Usage */
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comp_t ac_io; /* Chars Transferred */
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comp_t ac_rw; /* Blocks Read or Written */
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comp_t ac_minflt; /* Minor Pagefaults */
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comp_t ac_majflt; /* Major Pagefaults */
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comp_t ac_swaps; /* Number of Swaps */
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char ac_comm[ACCT_COMM]; /* Command Name */
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};
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enum
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{
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AFORK = 0x01, /* Has executed fork, but no exec. */
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ASU = 0x02, /* Used super-user privileges. */
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ACORE = 0x08, /* Dumped core. */
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AXSIG = 0x10 /* Killed by a signal. */
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};
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#if __BYTE_ORDER == __BIG_ENDIAN
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# define ACCT_BYTEORDER 0x80 /* Accounting file is big endian. */
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#else
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# define ACCT_BYTEORDER 0x00 /* Accounting file is little endian. */
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#endif
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#define AHZ 100
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/* Switch process accounting on and off. */
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extern int acct (const char *__filename) __THROW;
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__END_DECLS
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#endif /* sys/acct.h */
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