Review Request: JDK-8193159: Reduce the number of classes loaded due to NativeLibrary (original) (raw)
mandy chung mandy.chung at oracle.com
Thu Dec 7 00:33:51 UTC 2017
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A tiny startup fix - useArrayDeque instead of LinkedList for ClassLoader.NativeLibrary which is typically loaded at startup for example when loading a JAR file.
Thanks Mandy
diff --git a/src/java.base/share/classes/java/lang/ClassLoader.java b/src/java.base/share/classes/java/lang/ClassLoader.java --- a/src/java.base/share/classes/java/lang/ClassLoader.java +++ b/src/java.base/share/classes/java/lang/ClassLoader.java @@ -38,6 +38,7 @@ import java.security.PrivilegedAction; import java.security.ProtectionDomain; import java.security.cert.Certificate; +import java.util.ArrayDeque; import java.util.Arrays; import java.util.Collections; import java.util.Deque; @@ -45,7 +46,6 @@ import java.util.HashMap; import java.util.HashSet; import java.util.Hashtable; -import java.util.LinkedList; import java.util.Map; import java.util.NoSuchElementException; import java.util.Objects; @@ -2496,7 +2496,7 @@ }
// native libraries being loaded - static Deque nativeLibraryContext = new LinkedList<>(); + static Deque nativeLibraryContext = new ArrayDeque<>();
/* * The run() method will be invoked when this class loader becomes
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