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runtime: update deltimer comments

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Change-Id: I5f4c21bf650b9825ebd98330ac9faa7371a562be
GitHub-Last-Rev: 4a2e9aabe9
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>
This commit is contained in:
Draven 2020-01-24 10:56:15 +00:00 committed by Ian Lance Taylor
parent e35876ec65
commit 67539f6c53
1 changed files with 9 additions and 8 deletions
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17
src/runtime/time.go
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@ -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