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


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/sys/resource.h

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*
    2  * Copyright (c) 1982, 1986, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      @(#)resource.h  8.4 (Berkeley) 1/9/95
   34  * $FreeBSD: src/sys/sys/resource.h,v 1.12.2.2 2002/08/20 18:42:20 dillon Exp $
   35  * $DragonFly: src/sys/sys/resource.h,v 1.10 2008/06/18 09:36:07 hasso Exp $
   36  */
   37 
   38 #ifndef _SYS_RESOURCE_H_
   39 #define _SYS_RESOURCE_H_
   40 
   41 #ifndef _SYS_TYPES_H_
   42 #include <sys/types.h>
   43 #endif
   44 #include <sys/_timeval.h>
   45 
   46 /*
   47  * Process priority specifications to get/setpriority.
   48  */
   49 #define PRIO_MIN        -20
   50 #define PRIO_MAX        20
   51 #define IOPRIO_MIN      1
   52 #define IOPRIO_MAX      10
   53 
   54 #define PRIO_PROCESS    0
   55 #define PRIO_PGRP       1
   56 #define PRIO_USER       2
   57 
   58 /*
   59  * Resource utilization information.
   60  */
   61 
   62 #define RUSAGE_SELF     0
   63 #define RUSAGE_CHILDREN -1
   64 
   65 struct  rusage {
   66         struct timeval ru_utime;        /* user time used */
   67         struct timeval ru_stime;        /* system time used */
   68         long    ru_maxrss;              /* max resident set size */
   69 #define ru_first        ru_ixrss
   70         long    ru_ixrss;               /* integral shared memory size */
   71         long    ru_idrss;               /* integral unshared data " */
   72         long    ru_isrss;               /* integral unshared stack " */
   73         long    ru_minflt;              /* page reclaims */
   74         long    ru_majflt;              /* page faults */
   75         long    ru_nswap;               /* swaps */
   76         long    ru_inblock;             /* block input operations */
   77         long    ru_oublock;             /* block output operations */
   78         long    ru_msgsnd;              /* messages sent */
   79         long    ru_msgrcv;              /* messages received */
   80         long    ru_nsignals;            /* signals received */
   81         long    ru_nvcsw;               /* voluntary context switches */
   82         long    ru_nivcsw;              /* involuntary " */
   83 #define ru_last         ru_nivcsw
   84 };
   85 
   86 /*
   87  * Resource limits
   88  */
   89 #define RLIMIT_CPU      0               /* cpu time in milliseconds */
   90 #define RLIMIT_FSIZE    1               /* maximum file size */
   91 #define RLIMIT_DATA     2               /* data size */
   92 #define RLIMIT_STACK    3               /* stack size */
   93 #define RLIMIT_CORE     4               /* core file size */
   94 #define RLIMIT_RSS      5               /* resident set size */
   95 #define RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
   96 #define RLIMIT_NPROC    7               /* number of processes */
   97 #define RLIMIT_NOFILE   8               /* number of open files */
   98 #define RLIMIT_SBSIZE   9               /* maximum size of all socket buffers */
   99 #define RLIMIT_VMEM     10              /* virtual process size (inclusive of mmap) */
  100 #define RLIMIT_AS       RLIMIT_VMEM     /* standard name for address space size */
  101 #define RLIMIT_POSIXLOCKS 11            /* maximum number of POSIX locks per user */
  102 
  103 #define RLIM_NLIMITS    12              /* number of resource limits */
  104 
  105 #define RLIM_INFINITY   ((rlim_t)(((u_quad_t)1 << 63) - 1))
  106 
  107 
  108 /*
  109  * Resource limit string identifiers
  110  */
  111 
  112 #ifdef _RLIMIT_IDENT
  113 static char *rlimit_ident[] = {
  114         "cpu",
  115         "fsize",
  116         "data",
  117         "stack",
  118         "core",
  119         "rss",
  120         "memlock",
  121         "nproc",
  122         "nofile",
  123         "sbsize",
  124         "vmem",
  125         "posixlock",
  126 };
  127 #endif
  128 
  129 struct orlimit {
  130         int32_t rlim_cur;               /* current (soft) limit */
  131         int32_t rlim_max;               /* maximum value for rlim_cur */
  132 };
  133 
  134 struct rlimit {
  135         rlim_t  rlim_cur;               /* current (soft) limit */
  136         rlim_t  rlim_max;               /* maximum value for rlim_cur */
  137 };
  138 
  139 struct loadavg {
  140         fixpt_t ldavg[3];
  141         long    fscale;
  142 };
  143 
  144 /*
  145  * CPU state fields as reported by the sysctl kern.cp_time
  146  */
  147 #define CP_USER         0
  148 #define CP_NICE         1
  149 #define CP_SYS          2
  150 #define CP_INTR         3
  151 #define CP_IDLE         4
  152 #define CPUSTATES       5
  153 
  154 #ifdef _KERNEL
  155 extern struct loadavg averunnable;
  156 
  157 int     dosetrlimit (u_int which, struct rlimit *limp);
  158 
  159 #else
  160 #include <sys/cdefs.h>
  161 
  162 __BEGIN_DECLS
  163 int     getpriority (int, int);
  164 int     ioprio_get (int, int);
  165 int     getrlimit (int, struct rlimit *);
  166 int     getrusage (int, struct rusage *);
  167 int     setpriority (int, int, int);
  168 int     ioprio_set (int, int, int);
  169 int     setrlimit (int, const struct rlimit *);
  170 __END_DECLS
  171 
  172 #endif  /* _KERNEL */
  173 #endif  /* !_SYS_RESOURCE_H_ */

Cache object: 44bea7f0ca330a0b22f060ff73d1e842


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.