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/* Copyright (C) 1996-2020 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, see
<https://www.gnu.org/licenses/>. */
#ifndef _SYS_ACCT_H
#define _SYS_ACCT_H 1
#include <sys/types.h>
#include <stdint.h>
#include <bits/endian.h>
#include <bits/types/time_t.h>
__BEGIN_DECLS
#define ACCT_COMM 16
/*
comp_t is a 16-bit "floating" point number with a 3-bit base 8
exponent and a 13-bit fraction. See linux/kernel/acct.c for the
specific encoding system used.
*/
typedef uint16_t comp_t;
struct acct
{
char ac_flag; /* Flags. */
uint16_t ac_uid; /* Real user ID. */
uint16_t ac_gid; /* Real group ID. */
uint16_t ac_tty; /* Controlling terminal. */
uint32_t ac_btime; /* Beginning time. */
comp_t ac_utime; /* User time. */
comp_t ac_stime; /* System time. */
comp_t ac_etime; /* Elapsed time. */
comp_t ac_mem; /* Average memory usage. */
comp_t ac_io; /* Chars transferred. */
comp_t ac_rw; /* Blocks read or written. */
comp_t ac_minflt; /* Minor pagefaults. */
comp_t ac_majflt; /* Major pagefaults. */
comp_t ac_swaps; /* Number of swaps. */
uint32_t ac_exitcode; /* Process exitcode. */
char ac_comm[ACCT_COMM+1]; /* Command name. */
char ac_pad[10]; /* Padding bytes. */
};
struct acct_v3
{
char ac_flag; /* Flags */
char ac_version; /* Always set to ACCT_VERSION */
uint16_t ac_tty; /* Control Terminal */
uint32_t ac_exitcode; /* Exitcode */
uint32_t ac_uid; /* Real User ID */
uint32_t ac_gid; /* Real Group ID */
uint32_t ac_pid; /* Process ID */
uint32_t ac_ppid; /* Parent Process ID */
uint32_t ac_btime; /* Process Creation Time */
float ac_etime; /* Elapsed Time */
comp_t ac_utime; /* User Time */
comp_t ac_stime; /* System Time */
comp_t ac_mem; /* Average Memory Usage */
comp_t ac_io; /* Chars Transferred */
comp_t ac_rw; /* Blocks Read or Written */
comp_t ac_minflt; /* Minor Pagefaults */
comp_t ac_majflt; /* Major Pagefaults */
comp_t ac_swaps; /* Number of Swaps */
char ac_comm[ACCT_COMM]; /* Command Name */
};
enum
{
AFORK = 0x01, /* Has executed fork, but no exec. */
ASU = 0x02, /* Used super-user privileges. */
ACORE = 0x08, /* Dumped core. */
AXSIG = 0x10 /* Killed by a signal. */
};
#if __BYTE_ORDER == __BIG_ENDIAN
# define ACCT_BYTEORDER 0x80 /* Accounting file is big endian. */
#else
# define ACCT_BYTEORDER 0x00 /* Accounting file is little endian. */
#endif
#define AHZ 100
/* Switch process accounting on and off. */
extern int acct (const char *__filename) __THROW;
__END_DECLS
#endif /* sys/acct.h */
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