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: releng/5.2/sys/sys/resource.h 121870 2003-11-02 03:50:16Z jeff $
   35  */
   36 
   37 #ifndef _SYS_RESOURCE_H_
   38 #define _SYS_RESOURCE_H_
   39 
   40 /*
   41  * Process priority specifications to get/setpriority.
   42  */
   43 #define PRIO_MIN        -20
   44 #define PRIO_MAX        20
   45 
   46 #define PRIO_PROCESS    0
   47 #define PRIO_PGRP       1
   48 #define PRIO_USER       2
   49 
   50 /*
   51  * Resource utilization information.
   52  */
   53 
   54 #define RUSAGE_SELF     0
   55 #define RUSAGE_CHILDREN -1
   56 
   57 struct rusage {
   58         struct timeval ru_utime;        /* user time used */
   59         struct timeval ru_stime;        /* system time used */
   60         long    ru_maxrss;              /* max resident set size */
   61 #define ru_first        ru_ixrss
   62         long    ru_ixrss;               /* integral shared memory size */
   63         long    ru_idrss;               /* integral unshared data " */
   64         long    ru_isrss;               /* integral unshared stack " */
   65         long    ru_minflt;              /* page reclaims */
   66         long    ru_majflt;              /* page faults */
   67         long    ru_nswap;               /* swaps */
   68         long    ru_inblock;             /* block input operations */
   69         long    ru_oublock;             /* block output operations */
   70         long    ru_msgsnd;              /* messages sent */
   71         long    ru_msgrcv;              /* messages received */
   72         long    ru_nsignals;            /* signals received */
   73         long    ru_nvcsw;               /* voluntary context switches */
   74         long    ru_nivcsw;              /* involuntary " */
   75 #define ru_last         ru_nivcsw
   76 };
   77 
   78 /*
   79  * Resource limits
   80  */
   81 #define RLIMIT_CPU      0               /* cpu time in milliseconds */
   82 #define RLIMIT_FSIZE    1               /* maximum file size */
   83 #define RLIMIT_DATA     2               /* data size */
   84 #define RLIMIT_STACK    3               /* stack size */
   85 #define RLIMIT_CORE     4               /* core file size */
   86 #define RLIMIT_RSS      5               /* resident set size */
   87 #define RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
   88 #define RLIMIT_NPROC    7               /* number of processes */
   89 #define RLIMIT_NOFILE   8               /* number of open files */
   90 #define RLIMIT_SBSIZE   9               /* maximum size of all socket buffers */
   91 #define RLIMIT_VMEM     10              /* virtual process size (inclusive of mmap) */
   92 
   93 #define RLIM_NLIMITS    11              /* number of resource limits */
   94 
   95 #define RLIM_INFINITY   ((rlim_t)(((u_quad_t)1 << 63) - 1))
   96 
   97 
   98 /*
   99  * Resource limit string identifiers
  100  */
  101 
  102 #ifdef _RLIMIT_IDENT
  103 static char *rlimit_ident[] = {
  104         "cpu",
  105         "fsize",
  106         "data",
  107         "stack",
  108         "core",
  109         "rss",
  110         "memlock",
  111         "nproc",
  112         "nofile",
  113         "sbsize",
  114         "vmem",
  115 };
  116 #endif
  117 
  118 struct orlimit {
  119         int32_t rlim_cur;               /* current (soft) limit */
  120         int32_t rlim_max;               /* maximum value for rlim_cur */
  121 };
  122 
  123 struct rlimit {
  124         rlim_t  rlim_cur;               /* current (soft) limit */
  125         rlim_t  rlim_max;               /* maximum value for rlim_cur */
  126 };
  127 
  128 /* Load average structure. */
  129 struct loadavg {
  130         fixpt_t ldavg[3];
  131         long    fscale;
  132 };
  133 
  134 #define CP_USER         0
  135 #define CP_NICE         1
  136 #define CP_SYS          2
  137 #define CP_INTR         3
  138 #define CP_IDLE         4
  139 #define CPUSTATES       5
  140 
  141 #ifdef _KERNEL
  142 extern struct loadavg averunnable;
  143 extern long cp_time[CPUSTATES];
  144 
  145 int     dosetrlimit(struct thread *, u_int, struct rlimit *);
  146 
  147 #else
  148 #include <sys/cdefs.h>
  149 
  150 __BEGIN_DECLS
  151 int     getpriority(int, int);
  152 int     getrlimit(int, struct rlimit *);
  153 int     getrusage(int, struct rusage *);
  154 int     setpriority(int, int, int);
  155 int     setrlimit(int, const struct rlimit *);
  156 __END_DECLS
  157 
  158 #endif  /* _KERNEL */
  159 #endif  /* !_SYS_RESOURCE_H_ */

Cache object: 1e226b0e0562125fe0fb7bf07bfa5e97


[ 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.