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/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <glibtop.h>
#include <glibtop/loadavg.h>
#include <glibtop_suid.h>
static const unsigned long _glibtop_sysdeps_loadavg =
(1 << GLIBTOP_LOADAVG_LOADAVG);
/* Provides load averange. */
void
glibtop_get_loadavg_p (glibtop *server, glibtop_loadavg *buf)
{
load_avg avenrun [3];
int i;
glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_LOADAVG), 0);
memset (buf, 0, sizeof (glibtop_loadavg));
/* !!! THE FOLLOWING CODE RUNS SGID KMEM - CHANGE WITH CAUTION !!! */
setregid (server->machine.gid, server->machine.egid);
/* get the load average array */
(void) _glibtop_getkval (server, _glibtop_nlist [X_AVENRUN].n_value,
(int *) avenrun, sizeof (avenrun),
_glibtop_nlist [X_AVENRUN].n_name);
if (setregid (server->machine.egid, server->machine.gid))
_exit (1);
/* !!! END OF SGID KMEM PART !!! */
for (i = 0; i < 3; i++) {
/* Calculate loadavg values from avenrun. */
buf->loadavg [i] = loaddouble (avenrun [i]);
}
/* Now we can set the flags. */
buf->flags = _glibtop_sysdeps_loadavg;
}
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