/*
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * Copyright (c) 1999-2001 Apple Computer, Inc.  All Rights Reserved. The
 * contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License.  Please
 * obtain a copy of the License at http://www.apple.com/publicsource and
 * read it before using this file.
 *
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.  Please
 * see the License for the specific language governing rights and
 * limitations under the License.
 *
 *
 * @APPLE_LICENSE_HEADER_END@
 *
 */
/*
 *
 *	History:
 *		26-Oct-1998 Umesh Vaishampayan (umeshv@apple.com)
 *			Made the header c++ friendly.
 *
 *		23-Oct-1998	Umesh Vaishampayan (umeshv@apple.com)
 *			Created.
 */

#ifndef _TIMESTAMP_H_
#define _TIMESTAMP_H_

#ifdef __cplusplus
extern "C" {
#endif

/* Get a 64 bit timestamp */
extern long long timestamp(void);

struct timescale {
    long long tsc_numerator;
    long long tsc_denominator;
};

/*
 * Get numerator and denominator to convert value returned 
 * by timestamp() to microseconds
 */
extern void utimescale(struct timescale *tscp);

#ifdef __cplusplus
}
#endif

#endif /* _TIMESTAMP_H_ */