resource/ulimit.h

   1 /* Copyright (C) 1997, 1998, 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 _ULIMIT_H
  20 #define _ULIMIT_H       1
  21
  22 #include <features.h>
  23
  24 /* Constants used as the first parameter for `ulimit'.  They denote limits
  25    which can be set or retrieved using this function.  */
  26 enum
  27 {
  28   UL_GETFSIZE = 1,                      /* Return limit on the size of a file,
  29                                            in units of 512 bytes.  */
  30 #define UL_GETFSIZE     UL_GETFSIZE
  31   UL_SETFSIZE,                          /* Set limit on the size of a file to
  32                                            second argument.  */
  33 #define UL_SETFSIZE     UL_SETFSIZE
  34   __UL_GETMAXBRK,                       /* Return the maximum possible address
  35                                            of the data segment.  */
  36   __UL_GETOPENMAX                       /* Return the maximum number of files
  37                                            that the calling process can open.*/
  38 };
  39
  40
  41 __BEGIN_DECLS
  42
  43 /* Control process limits according to CMD.  */
  44 extern long int ulimit (int __cmd, ...) __THROW;
  45
  46 __END_DECLS
  47
  48 #endif /* ulimit.h */