sysdeps/generic/resourcebits.h

   1 /* Bit values for resource limits.  4.4 BSD/generic GNU version.
   2 Copyright (C) 1994 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 /* These are the values for 4.4 BSD and GNU.  Earlier BSD systems have a
  21    subset of these kinds of resource limit.  In systems where `getrlimit'
  22    and `setrlimit' are not system calls, these are the values used by the C
  23    library to emulate them.  */
  24
  25 /* Kinds of resource limit.  */
  26 enum __rlimit_resource
  27   {
  28     /* Per-process CPU limit, in seconds.  */
  29     RLIMIT_CPU,
  30     /* Largest file that can be created, in bytes.  */
  31     RLIMIT_FSIZE,
  32     /* Maximum size of data segment, in bytes.  */
  33     RLIMIT_DATA,
  34     /* Maximum size of stack segment, in bytes.  */
  35     RLIMIT_STACK,
  36     /* Largest core file that can be created, in bytes.  */
  37     RLIMIT_CORE,
  38     /* Largest resident set size, in bytes.
  39        This affects swapping; processes that are exceeding their
  40        resident set size will be more likely to have physical memory
  41        taken from them.  */
  42     RLIMIT_RSS,
  43     /* Locked-in-memory address space.  */
  44     RLIMIT_MEMLOCK,
  45     /* Number of processes.  */
  46     RLIMIT_NPROC,
  47     /* Number of open files.  */
  48     RLIMIT_OFILE,
  49     RLIMIT_NOFILE = RLIMIT_OFILE, /* Another name for the same thing.  */
  50
  51     RLIMIT_NLIMITS,             /* Number of limit flavors.  */
  52     RLIM_NLIMITS = RLIMIT_NLIMITS /* Traditional name for same.  */
  53   };