source:
EcnlProtoTool/trunk/musl-1.1.18/src/legacy/getloadavg.c
Last change on this file was 444, checked in by , 4 years ago | |
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File size: 272 bytes |
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1 | #define _GNU_SOURCE |
2 | #include <stdlib.h> |
3 | #include <sys/sysinfo.h> |
4 | |
5 | int getloadavg(double *a, int n) |
6 | { |
7 | struct sysinfo si; |
8 | if (n <= 0) return n ? -1 : 0; |
9 | sysinfo(&si); |
10 | if (n > 3) n = 3; |
11 | for (int i=0; i<n; i++) |
12 | a[i] = 1.0/(1<<SI_LOAD_SHIFT) * si.loads[i]; |
13 | return n; |
14 | } |
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