1 /* Copyright (C) 1991-2022 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
__getrlimit(enum __rlimit_resource resource,struct rlimit * rlimits)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     {
32       errno = EINVAL;
33       return -1;
34     }
35 
36   HURD_CRITICAL_BEGIN;
37   __mutex_lock (&_hurd_rlimit_lock);
38   lim = _hurd_rlimits[resource];
39   __mutex_unlock (&_hurd_rlimit_lock);
40   HURD_CRITICAL_END;
41 
42   *rlimits = lim;
43 
44   return 0;
45 }
46 libc_hidden_def (__getrlimit)
47 weak_alias (__getrlimit, getrlimit)
48