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8254973: CompletableFuture.ThreadPerTaskExecutor does not throw NPE in #execute

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Reviewed-by: dl
This commit is contained in:
Martin Buchholz 2021-01-10 23:47:04 +00:00
parent e7c174083a
commit 9154f64349
1 changed files with 5 additions and 1 deletions
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6
src/java.base/share/classes/java/util/concurrent/CompletableFuture.java
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@ -43,6 +43,7 @@ import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.Objects;
/**
* A {@link Future} that may be explicitly completed (setting its
@ -438,7 +439,10 @@ public class CompletableFuture<T> implements Future<T>, CompletionStage<T> {
/** Fallback if ForkJoinPool.commonPool() cannot support parallelism */
static final class ThreadPerTaskExecutor implements Executor {
public void execute(Runnable r) { new Thread(r).start(); }
public void execute(Runnable r) {
Objects.requireNonNull(r);
new Thread(r).start();
}
}
/**