/* Define struct rusage.

   Copyright (C) 1994-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#ifndef __rusage_defined

#define __rusage_defined 1

#include <bits/types.h>

#include <bits/types/struct_timeval.h>

/* Structure which says how much of each resource has been used.  */

/* The purpose of all the unions is to have the kernel-compatible layout

   while keeping the API type as 'long int', and among machines where

   __syscall_slong_t is not 'long int', this only does the right thing

   for little-endian ones, like x32.  */

struct rusage

  {

    /* Total amount of user time used.  */

    struct timeval ru_utime;

    /* Total amount of system time used.  */

    struct timeval ru_stime;

    /* Maximum resident set size (in kilobytes).  */

    __extension__ union

      {

	long int ru_maxrss;

	__syscall_slong_t __ru_maxrss_word;

      };

    /* Amount of sharing of text segment memory

       with other processes (kilobyte-seconds).  */

    /* Maximum resident set size (in kilobytes).  */

    __extension__ union

      {

	long int ru_ixrss;

	__syscall_slong_t __ru_ixrss_word;

      };

    /* Amount of data segment memory used (kilobyte-seconds).  */

    __extension__ union

      {

	long int ru_idrss;

	__syscall_slong_t __ru_idrss_word;

      };

    /* Amount of stack memory used (kilobyte-seconds).  */

    __extension__ union

      {

	long int ru_isrss;

	 __syscall_slong_t __ru_isrss_word;

      };

    /* Number of soft page faults (i.e. those serviced by reclaiming

       a page from the list of pages awaiting reallocation.  */

    __extension__ union

      {

	long int ru_minflt;

	__syscall_slong_t __ru_minflt_word;

      };

    /* Number of hard page faults (i.e. those that required I/O).  */

    __extension__ union

      {

	long int ru_majflt;

	__syscall_slong_t __ru_majflt_word;

      };

    /* Number of times a process was swapped out of physical memory.  */

    __extension__ union

      {

	long int ru_nswap;

	__syscall_slong_t __ru_nswap_word;

      };

    /* Number of input operations via the file system.  Note: This

       and `ru_oublock' do not include operations with the cache.  */

    __extension__ union

      {

	long int ru_inblock;

	__syscall_slong_t __ru_inblock_word;

      };

    /* Number of output operations via the file system.  */

    __extension__ union

      {

	long int ru_oublock;

	__syscall_slong_t __ru_oublock_word;

      };

    /* Number of IPC messages sent.  */

    __extension__ union

      {

	long int ru_msgsnd;

	__syscall_slong_t __ru_msgsnd_word;

      };

    /* Number of IPC messages received.  */

    __extension__ union

      {

	long int ru_msgrcv;

	__syscall_slong_t __ru_msgrcv_word;

      };

    /* Number of signals delivered.  */

    __extension__ union

      {

	long int ru_nsignals;

	__syscall_slong_t __ru_nsignals_word;

      };

    /* Number of voluntary context switches, i.e. because the process

       gave up the process before it had to (usually to wait for some

       resource to be available).  */

    __extension__ union

      {

	long int ru_nvcsw;

	__syscall_slong_t __ru_nvcsw_word;

      };

    /* Number of involuntary context switches, i.e. a higher priority process

       became runnable or the current process used up its time slice.  */

    __extension__ union

      {

	long int ru_nivcsw;

	__syscall_slong_t __ru_nivcsw_word;

      };

  };

#endif