/*      $NetBSD: resource.h,v 1.7 2024/01/20 08:40:37 kre Exp $ */

/*
 * Copyright (c) 1982, 1986, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)resource.h  8.4 (Berkeley) 1/9/95
 */

#ifndef _COMPAT_SYS_RESOURCE_H_
#define _COMPAT_SYS_RESOURCE_H_

#include <sys/featuretest.h>
#include <sys/resource.h>
#include <sys/time.h>
#include <compat/sys/time.h>

struct  rusage50 {
        struct timeval50 ru_utime;      /* user time used */
        struct timeval50 ru_stime;      /* system time used */
        long    ru_maxrss;              /* max resident set size */
        long    ru_ixrss;               /* integral shared memory size */
        long    ru_idrss;               /* integral unshared data " */
        long    ru_isrss;               /* integral unshared stack " */
        long    ru_minflt;              /* page reclaims */
        long    ru_majflt;              /* page faults */
        long    ru_nswap;               /* swaps */
        long    ru_inblock;             /* block input operations */
        long    ru_oublock;             /* block output operations */
        long    ru_msgsnd;              /* messages sent */
        long    ru_msgrcv;              /* messages received */
        long    ru_nsignals;            /* signals received */
        long    ru_nvcsw;               /* voluntary context switches */
        long    ru_nivcsw;              /* involuntary " */
};

static __inline void
rusage_to_rusage50(const struct rusage *ru, struct rusage50 *ru50)
{
        memset(ru50, 0, sizeof(*ru50));
        (void)memcpy(&ru50->ru_first, &ru->ru_first,
            (char *)&ru50->ru_last - (char *)&ru50->ru_first +
            sizeof(ru50->ru_last));
        ru50->ru_maxrss = ru->ru_maxrss;
        timeval_to_timeval50(&ru->ru_utime, &ru50->ru_utime);
        timeval_to_timeval50(&ru->ru_stime, &ru50->ru_stime);
}

#ifndef _KERNEL
__BEGIN_DECLS
int     __compat_getrusage(int, struct rusage50 *) __dso_hidden;
int     __getrusage50(int, struct rusage *);
__END_DECLS
#endif  /* _KERNEL */
#endif  /* !_COMPAT_SYS_RESOURCE_H_ */