resource/setrlimit64.c

   1 /* Copyright (C) 1991-2023 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, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <errno.h>
  19 #include <sys/resource.h>
  20 #include <sys/types.h>
  21
  22 /* Set the soft and hard limits for RESOURCE to *RLIMITS.
  23    Only the super-user can increase hard limits.
  24    Return 0 if successful, -1 if not (and sets errno).  */
  25 int
  26 setrlimit64 (enum __rlimit_resource resource, const struct rlimit64 *rlimits)
  27 {
  28   struct rlimit rlimits32;
  29
  30   if (rlimits->rlim_cur >= RLIM_INFINITY)
  31     rlimits32.rlim_cur = RLIM_INFINITY;
  32   else
  33     rlimits32.rlim_cur = rlimits->rlim_cur;
  34   if (rlimits->rlim_max >= RLIM_INFINITY)
  35     rlimits32.rlim_max = RLIM_INFINITY;
  36   else
  37     rlimits32.rlim_max = rlimits->rlim_max;
  38
  39   return __setrlimit (resource, &rlimits32);
  40 }