runtime: update deltimer comments

Change-Id: I5f4c21bf650b9825ebd98330ac9faa7371a562be
GitHub-Last-Rev: 4a2e9aabe91935001300619b6f58c67f05e9f3c7
GitHub-Pull-Request: golang/go#36728
Reviewed-on: https://go-review.googlesource.com/c/go/+/216223
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/runtime/time.go b/src/runtime/time.go
index e8323ce0e6a69d997d57a6d642366c3a0bac90e6..af5db4cc58b761c17f1d641be422bf9daf7a3047 100644 (file)
--- a/src/runtime/time.go
+++ b/src/runtime/time.go
@@ -74,14 +74,15 @@ type timer struct {
 //   timerNoStatus   -> timerWaiting
 //   anything else   -> panic: invalid value
 // deltimer:
-//   timerWaiting    -> timerDeleted
-//   timerModifiedXX -> timerDeleted
-//   timerNoStatus   -> do nothing
-//   timerDeleted    -> do nothing
-//   timerRemoving   -> do nothing
-//   timerRemoved    -> do nothing
-//   timerRunning    -> wait until status changes
-//   timerMoving     -> wait until status changes
+//   timerWaiting         -> timerDeleted
+//   timerModifiedEarlier -> timerModifying -> timerDeleted
+//   timerModifiedLater   -> timerDeleted
+//   timerNoStatus        -> do nothing
+//   timerDeleted         -> do nothing
+//   timerRemoving        -> do nothing
+//   timerRemoved         -> do nothing
+//   timerRunning         -> wait until status changes
+//   timerMoving          -> wait until status changes
 //   timerModifying  -> panic: concurrent deltimer/modtimer calls
 // modtimer:
 //   timerWaiting    -> timerModifying -> timerModifiedXX