|
Packit |
6c4009 |
/* Get system load averages. Mach version.
|
|
Packit |
6c4009 |
Copyright (C) 1999-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <mach.h>
|
|
Packit |
6c4009 |
#include <mach/host_info.h>
|
|
Packit |
6c4009 |
#include <hurd.h>
|
|
Packit |
6c4009 |
#include <errno.h>
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
#include <stdlib.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Put the 1 minute, 5 minute and 15 minute load averages
|
|
Packit |
6c4009 |
into the first NELEM elements of LOADAVG.
|
|
Packit |
6c4009 |
Return the number written (never more than 3, but may be less than NELEM),
|
|
Packit |
6c4009 |
or -1 if an error occurred. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
int
|
|
Packit |
6c4009 |
getloadavg (double loadavg[], int nelem)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
host_load_info_data_t info;
|
|
Packit |
6c4009 |
mach_msg_type_number_t size = HOST_LOAD_INFO_COUNT;
|
|
Packit |
6c4009 |
error_t err;
|
|
Packit |
6c4009 |
int i;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
err = __host_info (__mach_host_self (), HOST_LOAD_INFO,
|
|
Packit |
6c4009 |
(host_info_t) &info, &size);
|
|
Packit |
6c4009 |
if (err)
|
|
Packit |
6c4009 |
return __hurd_fail (err);
|
|
Packit |
6c4009 |
if (size < HOST_LOAD_INFO_COUNT)
|
|
Packit |
6c4009 |
return __hurd_fail (EGRATUITOUS);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (nelem > 3)
|
|
Packit |
6c4009 |
nelem = 3;
|
|
Packit |
6c4009 |
for (i = 0; i < nelem; ++i)
|
|
Packit |
6c4009 |
loadavg[i] = (double) info.avenrun[i] / (double) LOAD_SCALE;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
return i;
|
|
Packit |
6c4009 |
}
|