1 files changed, 6 insertions, 3 deletions
diff --git a/libgo/go/time/sleep.go b/libgo/go/time/sleep.go
index 1e23118f378..b4680db2387 100644
--- a/libgo/go/time/sleep.go
+++ b/libgo/go/time/sleep.go
@@ -4,6 +4,9 @@
 
 package time
 
+// Sleep pauses the current goroutine for the duration d.
+func Sleep(d Duration)
+
 func nano() int64 {
 	sec, nsec := now()
 	return sec*1e9 + int64(nsec)
@@ -72,13 +75,13 @@ func After(d Duration) <-chan Time {
 	return NewTimer(d).C
 }
 
-// AfterFunc waits at least ns nanoseconds before calling f
+// AfterFunc waits for the duration to elapse and then calls f
 // in its own goroutine. It returns a Timer that can
 // be used to cancel the call using its Stop method.
-func AfterFunc(ns int64, f func()) *Timer {
+func AfterFunc(d Duration, f func()) *Timer {
 	t := &Timer{
 		r: runtimeTimer{
-			when: nano() + ns,
+			when: nano() + int64(d),
 			f:    goFunc,
 			arg:  f,
 		},