/* $Id$ */

/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the Gnome Top Library.
   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.

   The Gnome Top Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The Gnome Top Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <config.h>
#include <glibtop/error.h>
#include <glibtop/loadavg.h>

#include "kernel.h"

static const unsigned long _glibtop_sysdeps_loadavg =
(1 << GLIBTOP_LOADAVG_LOADAVG) + (1 << GLIBTOP_LOADAVG_NR_RUNNING) +
(1 << GLIBTOP_LOADAVG_NR_TASKS) + (1 << GLIBTOP_LOADAVG_LAST_PID);

/* Init function. */

void
glibtop_init_loadavg_s (glibtop *server)
{
	server->sysdeps.loadavg = _glibtop_sysdeps_loadavg;
}

/* Provides load load averange. */

void
glibtop_get_loadavg_s (glibtop *server, glibtop_loadavg *buf)
{
	union table tbl;
	
	glibtop_init_s (&server, GLIBTOP_SYSDEPS_LOADAVG, 0);

	memset (buf, 0, sizeof (glibtop_loadavg));

	if (table (TABLE_LOADAVG, &tbl, NULL))
		glibtop_error_io_r (server, "table(TABLE_LOADAVG)");
	
	buf->flags = _glibtop_sysdeps_loadavg;

	buf->loadavg [0] = tbl.loadavg.loadavg [0];
	buf->loadavg [1] = tbl.loadavg.loadavg [1];
	buf->loadavg [2] = tbl.loadavg.loadavg [2];

	buf->nr_running = tbl.loadavg.nr_running;
	buf->nr_tasks = tbl.loadavg.nr_tasks;
	buf->last_pid = tbl.loadavg.last_pid;
}