diff options
Diffstat (limited to 'kern/mach_clock.h')
| -rw-r--r-- | kern/mach_clock.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kern/mach_clock.h b/kern/mach_clock.h index d4f04f5e..e83b638c 100644 --- a/kern/mach_clock.h +++ b/kern/mach_clock.h @@ -110,4 +110,8 @@ extern boolean_t untimeout(timer_func_t *fcn, const void *param); extern int timeopen(dev_t dev, int flag, io_req_t ior); extern void timeclose(dev_t dev, int flag); +/* For high-precision clocks. */ +extern uint32_t hpclock_read_counter(void); +extern uint32_t hpclock_get_counter_period_nsec(void); + #endif /* _KERN_MACH_CLOCK_H_ */ |