| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Get system load averages. Mach version. |
| 2 | Copyright (C) 1999-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <mach.h> |
| 20 | #include <mach/host_info.h> |
| 21 | #include <hurd.h> |
| 22 | #include <errno.h> |
| 23 | #include <unistd.h> |
| 24 | #include <stdlib.h> |
| 25 | |
| 26 | |
| 27 | /* Put the 1 minute, 5 minute and 15 minute load averages |
| 28 | into the first NELEM elements of LOADAVG. |
| 29 | Return the number written (never more than 3, but may be less than NELEM), |
| 30 | or -1 if an error occurred. */ |
| 31 | |
| 32 | int |
| 33 | getloadavg (double loadavg[], int nelem) |
| 34 | { |
| 35 | host_load_info_data_t info; |
| 36 | mach_msg_type_number_t size = HOST_LOAD_INFO_COUNT; |
| 37 | error_t err; |
| 38 | int i; |
| 39 | |
| 40 | err = __host_info (__mach_host_self (), HOST_LOAD_INFO, |
| 41 | (host_info_t) &info, &size); |
| 42 | if (err) |
| 43 | return __hurd_fail (err); |
| 44 | if (size < HOST_LOAD_INFO_COUNT) |
| 45 | return __hurd_fail (EGRATUITOUS); |
| 46 | |
| 47 | if (nelem > 3) |
| 48 | nelem = 3; |
| 49 | for (i = 0; i < nelem; ++i) |
| 50 | loadavg[i] = (double) info.avenrun[i] / (double) LOAD_SCALE; |
| 51 | |
| 52 | return i; |
| 53 | } |