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127 lines
3.9 KiB
127 lines
3.9 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* BSD Process Accounting for Linux - Definitions |
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* |
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* Author: Marco van Wieringen ([email protected]) |
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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 _UAPI_LINUX_ACCT_H |
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#define _UAPI_LINUX_ACCT_H |
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#include <linux/types.h> |
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#include <asm/param.h> |
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#include <asm/byteorder.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. |
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* comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction |
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* (leading 1 not stored). |
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* See linux/kernel/acct.c for the specific encoding systems used. |
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*/ |
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typedef __u16 comp_t; |
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typedef __u32 comp2_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; /* Flags */ |
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char ac_version; /* Always set to ACCT_VERSION */ |
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/* for binary compatibility back until 2.0 */ |
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__u16 ac_uid16; /* LSB of Real User ID */ |
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__u16 ac_gid16; /* LSB of Real Group ID */ |
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__u16 ac_tty; /* Control Terminal */ |
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/* __u32 range means times from 1970 to 2106 */ |
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__u32 ac_btime; /* Process Creation 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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/* m68k had no padding here. */ |
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#if !defined(CONFIG_M68K) || !defined(__KERNEL__) |
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__u16 ac_ahz; /* AHZ */ |
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#endif |
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__u32 ac_exitcode; /* Exitcode */ |
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char ac_comm[ACCT_COMM + 1]; /* Command Name */ |
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__u8 ac_etime_hi; /* Elapsed Time MSB */ |
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__u16 ac_etime_lo; /* Elapsed Time LSB */ |
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__u32 ac_uid; /* Real User ID */ |
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__u32 ac_gid; /* Real Group ID */ |
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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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__u16 ac_tty; /* Control Terminal */ |
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__u32 ac_exitcode; /* Exitcode */ |
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__u32 ac_uid; /* Real User ID */ |
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__u32 ac_gid; /* Real Group ID */ |
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__u32 ac_pid; /* Process ID */ |
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__u32 ac_ppid; /* Parent Process ID */ |
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/* __u32 range means times from 1970 to 2106 */ |
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__u32 ac_btime; /* Process Creation Time */ |
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#ifdef __KERNEL__ |
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__u32 ac_etime; /* Elapsed Time */ |
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#else |
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float ac_etime; /* Elapsed Time */ |
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#endif |
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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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/* |
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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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#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) |
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#define ACCT_BYTEORDER 0x80 /* accounting file is big endian */ |
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#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) |
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#define ACCT_BYTEORDER 0x00 /* accounting file is little endian */ |
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#else |
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#error unspecified endianness |
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#endif |
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#ifndef __KERNEL__ |
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#define ACCT_VERSION 2 |
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#define AHZ (HZ) |
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#endif /* __KERNEL */ |
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#endif /* _UAPI_LINUX_ACCT_H */
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