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