File: clock_init.c

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oskit 0.97.20000202-1
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/*
 * Copyright (c) 1997-1999 University of Utah and the Flux Group.
 * All rights reserved.
 * 
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
 * 
 * The OSKit 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 GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

#include <stdio.h>
#include <sys/time.h>
#include <oskit/dev/clock.h>
#include <oskit/c/environment.h>
#include "posix.h"

oskit_clock_t	*sys_clock;

int
posixlib_clock_init(void)
{
	if (sys_clock)
		return 1;

	/*
	 * Check the registry to see if the OS was created with a
	 * system clock.
	 */
	oskit_library_services_lookup(&oskit_clock_iid, (void *) &sys_clock);

	return sys_clock ? 1 : 0;
}