mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
c23b6ecc31
You can now use psapi.dll and pdh.dll. Some TODOs for Windows have been cleared out. We might have a working load average for the platform that should help GNU Make work well.
40 lines
2.3 KiB
C
40 lines
2.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/calls/struct/sysinfo.h"
|
|
#include "libc/dce.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
/**
|
|
* Returns system load average.
|
|
* @note work in progress
|
|
*/
|
|
int getloadavg(double *a, int n) {
|
|
/* cat /proc/loadavg */
|
|
int i;
|
|
struct sysinfo si;
|
|
if (!n) return 0;
|
|
if (n < 0) return einval();
|
|
if (sysinfo(&si) == -1) return -1;
|
|
if (n > 3) n = 3;
|
|
for (i = 0; i < n; i++) {
|
|
a[i] = 1. / 65536 * si.loads[i];
|
|
}
|
|
return n;
|
|
}
|