resource/sys/vlimit.h

   1 /* Copyright (C) 1991, 1992, 1996, 1999 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SYS_VLIMIT_H
  20 #define _SYS_VLIMIT_H   1
  21
  22 #include <features.h>
  23
  24 __BEGIN_DECLS
  25
  26 /* This interface is obsolete, and is superseded by <sys/resource.h>.  */
  27
  28 /* Kinds of resource limit.  */
  29 enum __vlimit_resource
  30 {
  31   /* Setting this non-zero makes it impossible to raise limits.
  32      Only the super-use can set it to zero.
  33
  34      This is not implemented in recent versions of BSD, nor by
  35      the GNU C library.  */
  36   LIM_NORAISE,
  37
  38   /* CPU time available for each process (seconds).  */
  39   LIM_CPU,
  40
  41   /* Largest file which can be created (bytes).  */
  42   LIM_FSIZE,
  43
  44   /* Maximum size of the data segment (bytes).  */
  45   LIM_DATA,
  46
  47   /* Maximum size of the stack segment (bytes).  */
  48   LIM_STACK,
  49
  50   /* Largest core file that will be created (bytes).  */
  51   LIM_CORE,
  52
  53   /* Resident set size (bytes).  */
  54   LIM_MAXRSS
  55 };
  56
  57 /* This means no limit.  */
  58 #define INFINITY 0x7fffffff
  59
  60
  61 /* Set the soft limit for RESOURCE to be VALUE.
  62    Returns 0 for success, -1 for failure.  */
  63 extern int vlimit (enum __vlimit_resource __resource, int __value) __THROW;
  64
  65
  66 __END_DECLS
  67
  68 #endif /* sys/vlimit.h  */