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 <sys/resource.h>
      19  #include <errno.h>
      20  #include <hurd.h>
      21  #include <hurd/resource.h>
      22  
      23  /* Put the soft and hard limits for RESOURCE in *RLIMITS.
      24     Returns 0 if successful, -1 if not (and sets errno).  */
      25  int
      26  __getrlimit (enum __rlimit_resource resource, struct rlimit *rlimits)
      27  {
      28    struct rlimit lim;
      29  
      30    if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS)
      31      return __hurd_fail (EINVAL);
      32  
      33    HURD_CRITICAL_BEGIN;
      34    __mutex_lock (&_hurd_rlimit_lock);
      35    lim = _hurd_rlimits[resource];
      36    __mutex_unlock (&_hurd_rlimit_lock);
      37    HURD_CRITICAL_END;
      38  
      39    *rlimits = lim;
      40  
      41    return 0;
      42  }
      43  libc_hidden_def (__getrlimit)
      44  weak_alias (__getrlimit, getrlimit)