LCOM1920-T02G10

/*        $NetBSD: resourcevar.h,v 1.55 2014/09/05 05:47:40 matt Exp $        */

/*

 * Copyright (c) 1991, 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.

 *

 *        @(#)resourcevar.h        8.4 (Berkeley) 1/9/95

 */

#ifndef        _SYS_RESOURCEVAR_H_

#define        _SYS_RESOURCEVAR_H_

#if !defined(_KERNEL) && !defined(_KMEMUSER)

#error "not supposed to be exposed to userland"

#endif

#include <sys/mutex.h>

/*

 * Kernel per-process accounting / statistics

 */

struct uprof {                                /* profile arguments */

        char *        pr_base;                /* buffer base */

        size_t  pr_size;                /* buffer size */

        u_long        pr_off;                        /* pc offset */

        u_int   pr_scale;                /* pc scaling */

        u_long        pr_addr;                /* temp storage for addr until AST */

        u_long        pr_ticks;                /* temp storage for ticks until AST */

};

struct pstats {

#define        pstat_startzero        p_ru

        struct        rusage p_ru;                /* stats for this proc */

        struct        rusage p_cru;                /* sum of stats for reaped children */

#define        pstat_endzero        pstat_startcopy

#define        pstat_startcopy        p_timer

        struct        itimerspec p_timer[3];        /* virtual-time timers */

        struct        uprof p_prof;                        /* profile arguments */

#define        pstat_endcopy        p_start

        struct        timeval p_start;        /* starting time */

};

#ifdef _KERNEL

/*

 * Process resource limits.  Since this structure is moderately large,

 * but changes infrequently, it is shared copy-on-write after forks.

 *

 * When a separate copy is created, then 'pl_writeable' is set to true,

 * and 'pl_sv_limit' is pointed to the old proc_t::p_limit structure.

 */

struct plimit {

        struct rlimit        pl_rlimit[RLIM_NLIMITS];

        char *                pl_corename;

        size_t                pl_cnlen;

        u_int                pl_refcnt;

        bool                pl_writeable;

        kmutex_t        pl_lock;

        struct plimit *        pl_sv_limit;

};

/* add user profiling from AST XXXSMP */

#define        ADDUPROF(l)                                                        \

        do {                                                                \

                struct proc *_p = (l)->l_proc;                                \

                addupc_task((l),                                        \

                    _p->p_stats->p_prof.pr_addr,                        \

                    _p->p_stats->p_prof.pr_ticks);                        \

                _p->p_stats->p_prof.pr_ticks = 0;                        \

        } while (/* CONSTCOND */ 0)

extern char defcorename[];

extern int security_setidcore_dump;

extern char security_setidcore_path[];

extern uid_t security_setidcore_owner;

extern gid_t security_setidcore_group;

extern mode_t security_setidcore_mode;

void        addupc_intr(struct lwp *, u_long);

void        addupc_task(struct lwp *, u_long, u_int);

void        calcru(struct proc *, struct timeval *, struct timeval *,

            struct timeval *, struct timeval *);

struct plimit *lim_copy(struct plimit *);

void        lim_addref(struct plimit *);

void        lim_privatise(struct proc *);

void        lim_setcorename(struct proc *, char *, size_t);

void        lim_free(struct plimit *);

void        resource_init(void);

void        ruadd(struct rusage *, struct rusage *);

void        rulwps(proc_t *, struct rusage *);

struct        pstats *pstatscopy(struct pstats *);

void        pstatsfree(struct pstats *);

extern rlim_t maxdmap;

extern rlim_t maxsmap;

int        getrusage1(struct proc *, int, struct rusage *);

#endif

#endif        /* !_SYS_RESOURCEVAR_H_ */