shared-block-ring

A single-consumer single-producer queue on a block device
IN THIS PACKAGE
Parameter #4 Shared_block . Journal . Make . Clock
include Mirage_clock.MCLOCK
val elapsed_ns : unit -> int64

elapsed_ns () is a monotonically increasing count of nanoseconds elapsed since some arbitrary point

val period_ns : unit -> int64 option

period_ns () is Some ns representing the clock's nanosecond period ns, if known