Files
QNX/lib/c/1b/timer_round_interval.c
2025-08-20 19:02:58 +08:00

38 lines
1.2 KiB
C

/*
* $QNXLicenseC:
* Copyright 2007, QNX Software Systems. All Rights Reserved.
*
* You must obtain a written license from and pay applicable license fees to QNX
* Software Systems before you may reproduce, modify or distribute this software,
* or any work that includes all or part of this software. Free development
* licenses are available for evaluation and non-commercial purposes. For more
* information visit http://licensing.qnx.com or email licensing@qnx.com.
*
* This file may contain contributions from others. Please review this entire
* file for other proprietary rights or license notices, as well as the QNX
* Development Suite License Guide at http://licensing.qnx.com/license-guide/
* for other information.
* $
*/
#include <sys/neutrino.h>
#include <sys/syspage.h>
/* _timer_round_interval() - round the given interval up to the nearest multiple of
* the clock resolution.
*/
void _timer_round_interval( _Uint64t* intervalp ) {
_Uint64t res = SYSPAGE_ENTRY(qtime)->nsec_inc;
/* round up to the nearest clock tick */
*intervalp = (*intervalp - 1 + res) / res * res;
}
__SRCVERSION("timer_round_interval.c $Rev: 153052 $");