github.com/geniusesgroup/libgo@v0.0.0-20220713101832-828057a9d3d4/time/monotonic/func.go (about) 1 /* For license and copyright information please see LEGAL file in repository */ 2 3 package monotonic 4 5 import ( 6 _ "unsafe" // for go:linkname 7 ) 8 9 type ( 10 // A Time monotonic clock is for measuring time. 11 // time-measuring operations, specifically comparisons and subtractions, use the monotonic clock. 12 NanoSecElapsed int64 13 ) 14 15 // RuntimeNano returns the current value of the runtime monotonic clock in nanoseconds. 16 // It isn't not wall clock, Use in tasks like timeout, ... 17 //go:linkname RuntimeNano runtime.nanotime 18 func RuntimeNano() int64 19 20 // Now returns runtime monotonic clock in nanoseconds. 21 func Now() NanoSecElapsed { 22 return NanoSecElapsed(RuntimeNano()) 23 }