sysdeps/mach/hurd/getrlimit.c

   1 /* Copyright (C) 1991, 1993, 1994, 1996 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 Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 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 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <sys/resource.h>
  20 #include <errno.h>
  21 #include <hurd.h>
  22 #include <hurd/resource.h>
  23
  24 /* Put the soft and hard limits for RESOURCE in *RLIMITS.
  25    Returns 0 if successful, -1 if not (and sets errno).  */
  26 int
  27 __getrlimit (enum __rlimit_resource resource, struct rlimit *rlimits)
  28 {
  29   struct rlimit lim;
  30
  31   if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS)
  32     {
  33       errno = EINVAL;
  34       return -1;
  35     }
  36
  37   __mutex_lock (&_hurd_rlimit_lock);
  38   lim = _hurd_rlimits[resource];
  39   __mutex_unlock (&_hurd_rlimit_lock);
  40
  41   *rlimits = lim;
  42
  43   return 0;
  44 }
  45 weak_alias (__getrlimit, getrlimit)