1 | /* Resource limits. |
2 | Copyright (C) 1994-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <hurd.h> |
20 | #include <lock-intern.h> |
21 | #include <hurd/resource.h> |
22 | #include "set-hooks.h" |
23 | |
24 | /* This must be given an initializer, or the a.out linking rules will |
25 | not include the entire file when this symbol is referenced. */ |
26 | struct rlimit _hurd_rlimits[RLIM_NLIMITS] = { { 0, }, }; |
27 | |
28 | /* This must be initialized data for the same reason as above, but this is |
29 | intentionally initialized to a bogus value to emphasize the point that |
30 | mutex_init is still required below just in case of unexec. */ |
31 | struct mutex _hurd_rlimit_lock = { SPIN_LOCK_INITIALIZER, }; |
32 | |
33 | static void attribute_used_retain |
34 | init_rlimit (void) |
35 | { |
36 | int i; |
37 | |
38 | __mutex_init (&_hurd_rlimit_lock); |
39 | |
40 | for (i = 0; i < RLIM_NLIMITS; ++i) |
41 | { |
42 | if (_hurd_rlimits[i].rlim_max == 0) |
43 | _hurd_rlimits[i].rlim_max = RLIM_INFINITY; |
44 | if (_hurd_rlimits[i].rlim_cur == 0) |
45 | #define I(lim, val) case RLIMIT_##lim: _hurd_rlimits[i].rlim_cur = (val); break |
46 | switch (i) |
47 | { |
48 | I (NOFILE, 1024); /* Linux 2.2.12 uses this initial value. */ |
49 | |
50 | default: |
51 | _hurd_rlimits[i].rlim_cur = _hurd_rlimits[i].rlim_max; |
52 | break; |
53 | } |
54 | #undef I |
55 | } |
56 | } |
57 | SET_RELHOOK (_hurd_preinit_hook, init_rlimit); |
58 | |