root/include/linux/hrtimer_defs.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_HRTIMER_DEFS_H
   3 #define _LINUX_HRTIMER_DEFS_H
   4 
   5 #include <linux/ktime.h>
   6 
   7 #ifdef CONFIG_HIGH_RES_TIMERS
   8 
   9 /*
  10  * The resolution of the clocks. The resolution value is returned in
  11  * the clock_getres() system call to give application programmers an
  12  * idea of the (in)accuracy of timers. Timer values are rounded up to
  13  * this resolution values.
  14  */
  15 # define HIGH_RES_NSEC          1
  16 # define KTIME_HIGH_RES         (HIGH_RES_NSEC)
  17 # define MONOTONIC_RES_NSEC     HIGH_RES_NSEC
  18 # define KTIME_MONOTONIC_RES    KTIME_HIGH_RES
  19 
  20 #else
  21 
  22 # define MONOTONIC_RES_NSEC     LOW_RES_NSEC
  23 # define KTIME_MONOTONIC_RES    KTIME_LOW_RES
  24 
  25 #endif
  26 
  27 #endif