acct.h
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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 void acct_auto_close(kdev_t dev);
- extern int acct_process(long exitcode);
- #else
- #define acct_auto_close(x) do { } while (0)
- #define acct_process(x) do { } while (0)
- #endif
- #endif /* __KERNEL */
- #endif /* _LINUX_ACCT_H */