The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/emulation/43bsd/43bsd_resource.c

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    1 /*
    2  * 43BSD_RESOURCE.C     - 4.3BSD compatibility exit syscalls
    3  *
    4  * Copyright (c) 1982, 1986, 1989, 1991, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  * (c) UNIX System Laboratories, Inc.
    7  * All or some portions of this file are derived from material licensed
    8  * to the University of California by American Telephone and Telegraph
    9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   10  * the permission of UNIX System Laboratories, Inc.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  * $DragonFly: src/sys/emulation/43bsd/43bsd_resource.c,v 1.2 2006/06/05 07:26:07 dillon Exp $
   37  *      from: DragonFly kern/kern_resource.c,v 1.14
   38  *
   39  * These syscalls used to live in kern/kern_resource.c.  They are modified
   40  * to use the new split syscalls.
   41  */
   42 
   43 #include "opt_compat.h"
   44 
   45 #include <sys/param.h>
   46 #include <sys/systm.h>
   47 #include <sys/sysproto.h>
   48 #include <sys/conf.h>
   49 #include <sys/kernel.h>
   50 #include <sys/kern_syscall.h>
   51 #include <sys/resourcevar.h>
   52 
   53 /*
   54  * MPSAFE
   55  */
   56 int
   57 sys_ogetrlimit(struct ogetrlimit_args *uap)
   58 {
   59         struct orlimit olim;
   60         struct rlimit lim;
   61         int error;
   62 
   63         error = kern_getrlimit(uap->which, &lim);
   64 
   65         if (error == 0) {
   66                 olim.rlim_cur = lim.rlim_cur;
   67                 if (olim.rlim_cur == -1)
   68                         olim.rlim_cur = 0x7fffffff;
   69                 olim.rlim_max = lim.rlim_max;
   70                 if (olim.rlim_max == -1)
   71                         olim.rlim_max = 0x7fffffff;
   72                 error = copyout(&olim, uap->rlp, sizeof(*uap->rlp));
   73         }
   74         return (error);
   75 
   76 }
   77 
   78 /*
   79  * MPSAFE
   80  */
   81 int
   82 sys_osetrlimit(struct osetrlimit_args *uap)
   83 {
   84         struct orlimit olim;
   85         struct rlimit lim;
   86         int error;
   87 
   88         error = copyin(uap->rlp, &olim, sizeof(olim));
   89         if (error)
   90                 return (error);
   91         lim.rlim_cur = olim.rlim_cur;
   92         lim.rlim_max = olim.rlim_max;
   93 
   94         error = kern_setrlimit(uap->which, &lim);
   95 
   96         return (error);
   97 
   98 }

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