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[Java] fix shutdown lock typo (#11410)

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This commit is contained in:
Kai Yang
2020-10-20 22:31:27 +08:00
committed by GitHub
parent aed739fbf4
commit cbc5dac6c4
1 changed files with 5 additions and 1 deletions
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java/runtime/src/main/java/io/ray/runtime/RayNativeRuntime.java
+5 -1
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@@ -174,7 +174,11 @@ public final class RayNativeRuntime extends AbstractRayRuntime {
@Override
public void shutdown() {
Lock writeLock = shutdownLock.readLock();
// `shutdown` won't be called concurrently, but the lock is also used in `NativeObjectStore`.
// When an object is garbage collected, the object will be unregistered from core worker.
// Since GC runs in a separate thread, we need to make sure that core worker is available
// when `NativeObjectStore` is accessing core worker in the GC thread.
Lock writeLock = shutdownLock.writeLock();
writeLock.lock();
try {
if (rayConfig.workerMode == WorkerType.DRIVER) {