containerd/vendor/github.com/nats-io/gnatsd/server/pse/pse_freebsd.go
Phil Estes dd9309c15e
Add vendoring to containerd master
Initial vendor list validated with empty $GOPATH
and only master checked out; followed by `make`
and verified that all binaries build properly.
Updates require github.com/LK4D4/vndr tool.

Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>
2017-01-11 16:59:06 -05:00

72 lines
1.1 KiB
Go

// Copyright 2015-2016 Apcera Inc. All rights reserved.
package pse
/*
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <stddef.h>
#include <unistd.h>
long pagetok(long size)
{
int pageshift, pagesize;
pagesize = getpagesize();
pageshift = 0;
while (pagesize > 1) {
pageshift++;
pagesize >>= 1;
}
return (size << pageshift);
}
int getusage(double *pcpu, unsigned int *rss, unsigned int *vss)
{
int mib[4], ret;
size_t len;
struct kinfo_proc kp;
len = 4;
sysctlnametomib("kern.proc.pid", mib, &len);
mib[3] = getpid();
len = sizeof(kp);
ret = sysctl(mib, 4, &kp, &len, NULL, 0);
if (ret != 0) {
return (errno);
}
*rss = pagetok(kp.ki_rssize);
*vss = kp.ki_size;
*pcpu = kp.ki_pctcpu;
return 0;
}
*/
import "C"
import (
"syscall"
)
// This is a placeholder for now.
func ProcUsage(pcpu *float64, rss, vss *int64) error {
var r, v C.uint
var c C.double
if ret := C.getusage(&c, &r, &v); ret != 0 {
return syscall.Errno(ret)
}
*pcpu = float64(c)
*rss = int64(r)
*vss = int64(v)
return nil
}