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comparison test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 20608:4cb90023bf2b

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8061651: Interface to the Lookup Index Cache to improve URLClassPath search time Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs Reviewed-by: mchung, acorn, jiangli, dholmes
author iklam
date Mon, 13 Oct 2014 16:09:57 -0700
parents 417e3b8d04c5
children 80260967f994
comparison
equal deleted inserted replaced
20607:f5f752e74840 20608:4cb90023bf2b
28 import java.util.Arrays; 28 import java.util.Arrays;
29 import java.util.List; 29 import java.util.List;
30 import java.util.function.Function; 30 import java.util.function.Function;
31 import java.util.stream.Stream; 31 import java.util.stream.Stream;
32 import java.security.BasicPermission; 32 import java.security.BasicPermission;
33 import java.net.URL;
33 34
34 import sun.hotspot.parser.DiagnosticCommand; 35 import sun.hotspot.parser.DiagnosticCommand;
35 36
36 public class WhiteBox { 37 public class WhiteBox {
37 38
81 // Make sure class name is in the correct format 82 // Make sure class name is in the correct format
82 public boolean isClassAlive(String name) { 83 public boolean isClassAlive(String name) {
83 return isClassAlive0(name.replace('.', '/')); 84 return isClassAlive0(name.replace('.', '/'));
84 } 85 }
85 private native boolean isClassAlive0(String name); 86 private native boolean isClassAlive0(String name);
87
88 // Resource/Class Lookup Cache
89 public native boolean classKnownToNotExist(ClassLoader loader, String name);
90 public native URL[] getLookupCacheURLs(ClassLoader loader);
91 public native int[] getLookupCacheMatches(ClassLoader loader, String name);
86 92
87 // G1 93 // G1
88 public native boolean g1InConcurrentMark(); 94 public native boolean g1InConcurrentMark();
89 public native boolean g1IsHumongous(Object o); 95 public native boolean g1IsHumongous(Object o);
90 public native long g1NumFreeRegions(); 96 public native long g1NumFreeRegions();