/* Copyright (C) 1996, 1997, 1998, 1999, 2007 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _SYS_ACCT_H
#define _SYS_ACCT_H        1

#include <features.h>

#include <endian.h>
#define        __need_time_t
#include <time.h>
#include <sys/types.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 u_int16_t comp_t;

struct acct
{
  char ac_flag;                        /* Flags.  */
  u_int16_t ac_uid;                /* Real user ID.  */
  u_int16_t ac_gid;                /* Real group ID.  */
  u_int16_t ac_tty;                /* Controlling terminal.  */
  u_int32_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.  */
  u_int32_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 */
  u_int16_t ac_tty;                /* Control Terminal */
  u_int32_t ac_exitcode;        /* Exitcode */
  u_int32_t ac_uid;                /* Real User ID */
  u_int32_t ac_gid;                /* Real Group ID */
  u_int32_t ac_pid;                /* Process ID */
  u_int32_t ac_ppid;                /* Parent Process ID */
  u_int32_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 */