| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 1991-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* This is generic in the sense that it will work with the BSD, SYSV, |
| 19 | or stub versions of getrlimit. Separate versions could be written |
| 20 | for efficiency, but it's probably not worth it. */ |
| 21 | |
| 22 | #include <sys/vlimit.h> |
| 23 | #include <sys/resource.h> |
| 24 | #include <errno.h> |
| 25 | |
| 26 | /* Set the soft limit for RESOURCE to be VALUE. |
| 27 | Returns 0 for success, -1 for failure. */ |
| 28 | int |
| 29 | vlimit (enum __vlimit_resource resource, int value) |
| 30 | { |
| 31 | if (resource >= LIM_CPU && resource <= LIM_MAXRSS) |
| 32 | { |
| 33 | /* The rlimit codes happen to each be one less |
| 34 | than the corresponding vlimit codes. */ |
| 35 | enum __rlimit_resource rlimit_res = |
| 36 | (enum __rlimit_resource) ((int) resource - 1); |
| 37 | struct rlimit lims; |
| 38 | |
| 39 | if (__getrlimit (rlimit_res, &lims) < 0) |
| 40 | return -1; |
| 41 | |
| 42 | lims.rlim_cur = value; |
| 43 | return __setrlimit (rlimit_res, &lims); |
| 44 | } |
| 45 | |
| 46 | __set_errno (EINVAL); |
| 47 | return -1; |
| 48 | } |