xref: /netbsd-src/external/mit/libuv/dist/src/unix/sysinfo-loadavg.c (revision 0e552da7216834a96e91ad098e59272b41087480)
1*0e552da7Schristos /* Copyright libuv project contributors. All rights reserved.
2*0e552da7Schristos  *
3*0e552da7Schristos  * Permission is hereby granted, free of charge, to any person obtaining a copy
4*0e552da7Schristos  * of this software and associated documentation files (the "Software"), to
5*0e552da7Schristos  * deal in the Software without restriction, including without limitation the
6*0e552da7Schristos  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7*0e552da7Schristos  * sell copies of the Software, and to permit persons to whom the Software is
8*0e552da7Schristos  * furnished to do so, subject to the following conditions:
9*0e552da7Schristos  *
10*0e552da7Schristos  * The above copyright notice and this permission notice shall be included in
11*0e552da7Schristos  * all copies or substantial portions of the Software.
12*0e552da7Schristos  *
13*0e552da7Schristos  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*0e552da7Schristos  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*0e552da7Schristos  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*0e552da7Schristos  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*0e552da7Schristos  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18*0e552da7Schristos  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19*0e552da7Schristos  * IN THE SOFTWARE.
20*0e552da7Schristos  */
21*0e552da7Schristos 
22*0e552da7Schristos #include "uv.h"
23*0e552da7Schristos #include "internal.h"
24*0e552da7Schristos 
25*0e552da7Schristos #include <stdint.h>
26*0e552da7Schristos #include <sys/sysinfo.h>
27*0e552da7Schristos 
uv_loadavg(double avg[3])28*0e552da7Schristos void uv_loadavg(double avg[3]) {
29*0e552da7Schristos   struct sysinfo info;
30*0e552da7Schristos 
31*0e552da7Schristos   if (sysinfo(&info) < 0) return;
32*0e552da7Schristos 
33*0e552da7Schristos   avg[0] = (double) info.loads[0] / 65536.0;
34*0e552da7Schristos   avg[1] = (double) info.loads[1] / 65536.0;
35*0e552da7Schristos   avg[2] = (double) info.loads[2] / 65536.0;
36*0e552da7Schristos }
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