/*

 * Copyright (C) 2011, Nokia <ivan.frade@nokia.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA  02110-1301, USA.

 */

#include "config.h"

#ifdef __linux__

#ifndef _GNU_SOURCE

#define _GNU_SOURCE

#endif

#include <errno.h>

#include <sched.h>

#include "tracker-sched.h"

gboolean

tracker_sched_idle (void)

{

	struct sched_param sp;

	/* Set process scheduling parameters:

	 * This is used so we don't steal scheduling priority from

	 * the most important applications - like the phone

	 * application which has a real time requirement here. This

	 * is detailed in Nokia bug #95573

	 */

	g_message ("Setting scheduler policy to SCHED_IDLE");

	if (sched_getparam (0, &sp) == 0) {

		if (sched_setscheduler (0, SCHED_IDLE, &sp) != 0) {

//LCOV_EXCL_START

			const gchar *str = g_strerror (errno);

			g_warning ("Could not set scheduler policy, %s",

			           str ? str : "no error given");

			return FALSE;

		}

	} else {

		const gchar *str = g_strerror (errno);

		g_warning ("Could not get scheduler policy, %s",

		           str ? str : "no error given");

		return FALSE;

	}

//LCOV_EXCL_END

	return TRUE;

}

#else /* __linux__ */

#include <glib.h>

#include "tracker-sched.h"

gboolean

tracker_sched_idle (void)

{

	return TRUE;

}

#endif /* __linux__ */