LCOM1920-T02G10

/*        $NetBSD: resource.h,v 1.33 2012/06/09 02:31:15 christos 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 _SYS_RESOURCE_H_

#define        _SYS_RESOURCE_H_

#include <sys/featuretest.h>

#include <sys/time.h>

/*

 * Process priority specifications to get/setpriority.

 */

#define        PRIO_MIN        -20

#define        PRIO_MAX        20

#define        PRIO_PROCESS        0

#define        PRIO_PGRP        1

#define        PRIO_USER        2

/*

 * Resource utilization information.

 */

#define        RUSAGE_SELF        0

#define        RUSAGE_CHILDREN        -1

struct        rusage {

        struct timeval ru_utime;        /* user time used */

        struct timeval ru_stime;        /* system time used */

        long        ru_maxrss;                /* max resident set size */

#define        ru_first        ru_ixrss

        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 " */

#define        ru_last                ru_nivcsw

};

/*

 * Resource limits

 */

#define        RLIMIT_CPU        0                /* cpu time in milliseconds */

#define        RLIMIT_FSIZE        1                /* maximum file size */

#define        RLIMIT_DATA        2                /* data size */

#define        RLIMIT_STACK        3                /* stack size */

#define        RLIMIT_CORE        4                /* core file size */

#define        RLIMIT_RSS        5                /* resident set size */

#define        RLIMIT_MEMLOCK        6                /* locked-in-memory address space */

#define        RLIMIT_NPROC        7                /* number of processes */

#define        RLIMIT_NOFILE        8                /* number of open files */

#define        RLIMIT_SBSIZE        9                /* maximum size of all socket buffers */

#define        RLIMIT_AS        10                /* virtual process size (inclusive of mmap) */

#define        RLIMIT_VMEM        RLIMIT_AS        /* common alias */

#define        RLIMIT_NTHR        11                /* number of threads */

#if defined(_NETBSD_SOURCE)

#define        RLIM_NLIMITS        12                /* number of resource limits */

#endif

#define        RLIM_INFINITY        (~((u_quad_t)1 << 63))        /* no limit */

#define        RLIM_SAVED_MAX        RLIM_INFINITY        /* unrepresentable hard limit */

#define        RLIM_SAVED_CUR        RLIM_INFINITY        /* unrepresentable soft limit */

#if defined(_KERNEL)

/* 4.3BSD compatibility rlimit argument structure. */

struct orlimit {

        int32_t        rlim_cur;                /* current (soft) limit */

        int32_t        rlim_max;                /* maximum value for rlim_cur */

};

#endif

struct rlimit {

        rlim_t        rlim_cur;                /* current (soft) limit */

        rlim_t        rlim_max;                /* maximum value for rlim_cur */

};

#if defined(_NETBSD_SOURCE)

/* Load average structure. */

struct loadavg {

        fixpt_t        ldavg[3];

        long        fscale;

};

#endif

#ifdef _KERNEL

extern struct loadavg averunnable;

struct pcred;

int        dosetrlimit(struct lwp *, struct proc *, int, struct rlimit *);

#else

#include <sys/cdefs.h>

__BEGIN_DECLS

int        getpriority(int, id_t);

int        getrlimit(int, struct rlimit *);

#ifndef __LIBC12_SOURCE__

int        getrusage(int, struct rusage *) __RENAME(__getrusage50);

#endif

int        setpriority(int, id_t, int);

int        setrlimit(int, const struct rlimit *);

__END_DECLS

#endif        /* _KERNEL */

#endif        /* !_SYS_RESOURCE_H_ */