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/*
* BSD Process Accounting for Linux - Definitions
*
* Author: Marco van Wieringen (mvw@planets.elm.net)
*
* This header file contains the definitions needed to implement
* BSD-style process accounting. The kernel accounting code and all
* user-level programs that try to do something useful with the
* process accounting log must include this file.
*
* Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.
*
*/
#ifndef _LINUX_ACCT_H
#define _LINUX_ACCT_H
#include <linux/types.h>
/*
* 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 __u16 comp_t;
/*
* accounting file record
*
* This structure contains all of the information written out to the
* process accounting file whenever a process exits.
*/
#define ACCT_COMM 16
struct acct
{
char ac_flag; /* Accounting Flags */
/*
* No binary format break with 2.0 - but when we hit 32bit uid we'll
* have to bite one
*/
__u16 ac_uid; /* Accounting Real User ID */
__u16 ac_gid; /* Accounting Real Group ID */
__u16 ac_tty; /* Accounting Control Terminal */
__u32 ac_btime; /* Accounting Process Creation Time */
comp_t ac_utime; /* Accounting User Time */
comp_t ac_stime; /* Accounting System Time */
comp_t ac_etime; /* Accounting Elapsed Time */
comp_t ac_mem; /* Accounting Average Memory Usage */
comp_t ac_io; /* Accounting Chars Transferred */
comp_t ac_rw; /* Accounting Blocks Read or Written */
comp_t ac_minflt; /* Accounting Minor Pagefaults */
comp_t ac_majflt; /* Accounting Major Pagefaults */
comp_t ac_swaps; /* Accounting Number of Swaps */
__u32 ac_exitcode; /* Accounting Exitcode */
char ac_comm[ACCT_COMM + 1]; /* Accounting Command Name */
char ac_pad[10]; /* Accounting Padding Bytes */
};
/*
* accounting flags
*/
/* bit set when the process ... */
#define AFORK 0x01 /* ... executed fork, but did not exec */
#define ASU 0x02 /* ... used super-user privileges */
#define ACOMPAT 0x04 /* ... used compatibility mode (VAX only not used) */
#define ACORE 0x08 /* ... dumped core */
#define AXSIG 0x10 /* ... was killed by a signal */
#define AHZ 100
#ifdef __KERNEL__
#include <linux/config.h>
#ifdef CONFIG_BSD_PROCESS_ACCT
extern int acct_process(long exitcode);
#else
#define acct_process(x) do { } while (0)
#endif
#endif /* __KERNEL */
#endif /* _LINUX_ACCT_H */
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