1 files changed, 16 insertions, 10 deletions
diff --git a/vendor/golang.org/x/sys/unix/timestruct.go b/vendor/golang.org/x/sys/unix/timestruct.go
index 103604299..4a672f569 100644
--- a/vendor/golang.org/x/sys/unix/timestruct.go
+++ b/vendor/golang.org/x/sys/unix/timestruct.go
@@ -8,10 +8,12 @@ package unix
 
 import "time"
 
-// TimespecToNSec returns the time stored in ts as nanoseconds.
-func TimespecToNsec(ts Timespec) int64 { return ts.Nano() }
+// TimespecToNsec converts a Timespec value into a number of
+// nanoseconds since the Unix epoch.
+func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
 
-// NsecToTimespec converts a number of nanoseconds into a Timespec.
+// NsecToTimespec takes a number of nanoseconds since the Unix epoch
+// and returns the corresponding Timespec value.
 func NsecToTimespec(nsec int64) Timespec {
 	sec := nsec / 1e9
 	nsec = nsec % 1e9
@@ -40,10 +42,12 @@ func TimeToTimespec(t time.Time) (Timespec, error) {
 	return ts, nil
 }
 
-// TimevalToNsec returns the time stored in tv as nanoseconds.
-func TimevalToNsec(tv Timeval) int64 { return tv.Nano() }
+// TimevalToNsec converts a Timeval value into a number of nanoseconds
+// since the Unix epoch.
+func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
 
-// NsecToTimeval converts a number of nanoseconds into a Timeval.
+// NsecToTimeval takes a number of nanoseconds since the Unix epoch
+// and returns the corresponding Timeval value.
 func NsecToTimeval(nsec int64) Timeval {
 	nsec += 999 // round up to microsecond
 	usec := nsec % 1e9 / 1e3
@@ -55,22 +59,24 @@ func NsecToTimeval(nsec int64) Timeval {
 	return setTimeval(sec, usec)
 }
 
-// Unix returns the time stored in ts as seconds plus nanoseconds.
+// Unix returns ts as the number of seconds and nanoseconds elapsed since the
+// Unix epoch.
 func (ts *Timespec) Unix() (sec int64, nsec int64) {
 	return int64(ts.Sec), int64(ts.Nsec)
 }
 
-// Unix returns the time stored in tv as seconds plus nanoseconds.
+// Unix returns tv as the number of seconds and nanoseconds elapsed since the
+// Unix epoch.
 func (tv *Timeval) Unix() (sec int64, nsec int64) {
 	return int64(tv.Sec), int64(tv.Usec) * 1000
 }
 
-// Nano returns the time stored in ts as nanoseconds.
+// Nano returns ts as the number of nanoseconds elapsed since the Unix epoch.
 func (ts *Timespec) Nano() int64 {
 	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
 }
 
-// Nano returns the time stored in tv as nanoseconds.
+// Nano returns tv as the number of nanoseconds elapsed since the Unix epoch.
 func (tv *Timeval) Nano() int64 {
 	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
 }