diff src/share/vm/prims/jvm.h @ 20608:4cb90023bf2b

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 1e657b902392
children 7848fc12602b
line wrap: on
line diff
--- a/src/share/vm/prims/jvm.h	Tue Oct 28 09:17:36 2014 +0100
+++ b/src/share/vm/prims/jvm.h	Mon Oct 13 16:09:57 2014 -0700
@@ -1548,6 +1548,31 @@
 JNIEXPORT jobjectArray JNICALL
 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
 
+/*
+ * Returns true if the JVM's lookup cache indicates that this class is
+ * known to NOT exist for the given loader.
+ */
+JNIEXPORT jboolean JNICALL
+JVM_KnownToNotExist(JNIEnv *env, jobject loader, const char *classname);
+
+/*
+ * Returns an array of all URLs that are stored in the JVM's lookup cache
+ * for the given loader. NULL if the lookup cache is unavailable.
+ */
+JNIEXPORT jobjectArray JNICALL
+JVM_GetResourceLookupCacheURLs(JNIEnv *env, jobject loader);
+
+/*
+ * Returns an array of all URLs that *may* contain the resource_name for the
+ * given loader. This function returns an integer array, each element
+ * of which can be used to index into the array returned by
+ * JVM_GetResourceLookupCacheURLs of the same loader to determine the
+ * URLs.
+ */
+JNIEXPORT jintArray JNICALL
+JVM_GetResourceLookupCache(JNIEnv *env, jobject loader, const char *resource_name);
+
+
 /* =========================================================================
  * The following defines a private JVM interface that the JDK can query
  * for the JVM version and capabilities.  sun.misc.Version defines