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| author | Dmitri Shuralyov <dmitshur@google.com> | 2022-08-01 15:54:13 +0000 |
|---|---|---|
| committer | Dmitri Shuralyov <dmitshur@google.com> | 2022-08-01 15:54:13 +0000 |
| commit | 349da2d42d3193af7f54170ae842166e4571134a (patch) | |
| tree | a0b59dc2dfa4440add9d954efe1908272933247a /src/runtime/time.go | |
| parent | 7d5078e3bf2d865526e8ec2d211f61b2fac2936f (diff) | |
| parent | 15da892a4950a4caac987ee72c632436329f62d5 (diff) | |
| download | go-349da2d42d3193af7f54170ae842166e4571134a.tar.gz go-349da2d42d3193af7f54170ae842166e4571134a.zip | |
[dev.boringcrypto.go1.17] all: merge go1.17.13 into dev.boringcrypto.go1.17dev.boringcrypto.go1.17
Change-Id: Iaf4f2cb506aab9e22a5df5b937c38fc108f1e1c1
Diffstat (limited to 'src/runtime/time.go')
| -rw-r--r-- | src/runtime/time.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/runtime/time.go b/src/runtime/time.go index 517a493a70..70e21d4482 100644 --- a/src/runtime/time.go +++ b/src/runtime/time.go @@ -390,7 +390,11 @@ func dodeltimer(pp *p, i int) int { if i == 0 { updateTimer0When(pp) } - atomic.Xadd(&pp.numTimers, -1) + n := atomic.Xadd(&pp.numTimers, -1) + if n == 0 { + // If there are no timers, then clearly none are modified. + atomic.Store64(&pp.timerModifiedEarliest, 0) + } return smallestChanged } @@ -414,7 +418,11 @@ func dodeltimer0(pp *p) { siftdownTimer(pp.timers, 0) } updateTimer0When(pp) - atomic.Xadd(&pp.numTimers, -1) + n := atomic.Xadd(&pp.numTimers, -1) + if n == 0 { + // If there are no timers, then clearly none are modified. + atomic.Store64(&pp.timerModifiedEarliest, 0) + } } // modtimer modifies an existing timer. |