src/java.base/share/classes/jdk/internal/misc/SharedSecrets.java

*** 42,58 ****
      provided through a third package to which access is restricted.
      This framework avoids the primary disadvantage of using reflection
      for this purpose, namely the loss of compile-time checking. */
  
  public class SharedSecrets {
!     private static final Unsafe unsafe = Unsafe.getUnsafe();
      private static JavaUtilJarAccess javaUtilJarAccess;
      private static JavaLangAccess javaLangAccess;
      private static JavaLangModuleAccess javaLangModuleAccess;
      private static JavaLangReflectModuleAccess javaLangReflectModuleAccess;
      private static JavaLangInvokeAccess javaLangInvokeAccess;
      private static JavaLangRefAccess javaLangRefAccess;
      private static JavaIOAccess javaIOAccess;
      private static JavaNetAccess javaNetAccess;
      private static JavaNetInetAddressAccess javaNetInetAddressAccess;
      private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
      private static JavaNioAccess javaNioAccess;
--- 42,61 ----
      provided through a third package to which access is restricted.
      This framework avoids the primary disadvantage of using reflection
      for this purpose, namely the loss of compile-time checking. */
  
  public class SharedSecrets {
!     private static final class U {
!         static final Unsafe unsafe = Unsafe.getUnsafe();
!     }
      private static JavaUtilJarAccess javaUtilJarAccess;
      private static JavaLangAccess javaLangAccess;
      private static JavaLangModuleAccess javaLangModuleAccess;
      private static JavaLangReflectModuleAccess javaLangReflectModuleAccess;
      private static JavaLangInvokeAccess javaLangInvokeAccess;
      private static JavaLangRefAccess javaLangRefAccess;
+     private static JavaLangThreadAccess javaLangThreadAccess;
      private static JavaIOAccess javaIOAccess;
      private static JavaNetAccess javaNetAccess;
      private static JavaNetInetAddressAccess javaNetInetAddressAccess;
      private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
      private static JavaNioAccess javaNioAccess;
*** 69,79 ****
  
      public static JavaUtilJarAccess javaUtilJarAccess() {
          if (javaUtilJarAccess == null) {
              // Ensure JarFile is initialized; we know that that class
              // provides the shared secret
!             unsafe.ensureClassInitialized(JarFile.class);
          }
          return javaUtilJarAccess;
      }
  
      public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
--- 72,82 ----
  
      public static JavaUtilJarAccess javaUtilJarAccess() {
          if (javaUtilJarAccess == null) {
              // Ensure JarFile is initialized; we know that that class
              // provides the shared secret
!             U.unsafe.ensureClassInitialized(JarFile.class);
          }
          return javaUtilJarAccess;
      }
  
      public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
*** 94,104 ****
  
      public static JavaLangInvokeAccess getJavaLangInvokeAccess() {
          if (javaLangInvokeAccess == null) {
              try {
                  Class<?> c = Class.forName("java.lang.invoke.MemberName");
!                 unsafe.ensureClassInitialized(c);
              } catch (ClassNotFoundException e) {};
          }
          return javaLangInvokeAccess;
      }
  
--- 97,107 ----
  
      public static JavaLangInvokeAccess getJavaLangInvokeAccess() {
          if (javaLangInvokeAccess == null) {
              try {
                  Class<?> c = Class.forName("java.lang.invoke.MemberName");
!                 U.unsafe.ensureClassInitialized(c);
              } catch (ClassNotFoundException e) {};
          }
          return javaLangInvokeAccess;
      }
  
*** 106,127 ****
          javaLangModuleAccess = jlrma;
      }
  
      public static JavaLangModuleAccess getJavaLangModuleAccess() {
          if (javaLangModuleAccess == null) {
!             unsafe.ensureClassInitialized(ModuleDescriptor.class);
          }
          return javaLangModuleAccess;
      }
  
      public static void setJavaLangReflectModuleAccess(JavaLangReflectModuleAccess jlrma) {
          javaLangReflectModuleAccess = jlrma;
      }
  
      public static JavaLangReflectModuleAccess getJavaLangReflectModuleAccess() {
          if (javaLangReflectModuleAccess == null)
!             unsafe.ensureClassInitialized(java.lang.reflect.Module.class);
          return javaLangReflectModuleAccess;
      }
  
      public static void setJavaLangRefAccess(JavaLangRefAccess jlra) {
          javaLangRefAccess = jlra;
--- 109,130 ----
          javaLangModuleAccess = jlrma;
      }
  
      public static JavaLangModuleAccess getJavaLangModuleAccess() {
          if (javaLangModuleAccess == null) {
!             U.unsafe.ensureClassInitialized(ModuleDescriptor.class);
          }
          return javaLangModuleAccess;
      }
  
      public static void setJavaLangReflectModuleAccess(JavaLangReflectModuleAccess jlrma) {
          javaLangReflectModuleAccess = jlrma;
      }
  
      public static JavaLangReflectModuleAccess getJavaLangReflectModuleAccess() {
          if (javaLangReflectModuleAccess == null)
!             U.unsafe.ensureClassInitialized(java.lang.reflect.Module.class);
          return javaLangReflectModuleAccess;
      }
  
      public static void setJavaLangRefAccess(JavaLangRefAccess jlra) {
          javaLangRefAccess = jlra;
*** 129,165 ****
  
      public static JavaLangRefAccess getJavaLangRefAccess() {
          return javaLangRefAccess;
      }
  
      public static void setJavaNetAccess(JavaNetAccess jna) {
          javaNetAccess = jna;
      }
  
      public static JavaNetAccess getJavaNetAccess() {
          if (javaNetAccess == null)
!             unsafe.ensureClassInitialized(java.net.URLClassLoader.class);
          return javaNetAccess;
      }
  
      public static void setJavaNetInetAddressAccess(JavaNetInetAddressAccess jna) {
          javaNetInetAddressAccess = jna;
      }
  
      public static JavaNetInetAddressAccess getJavaNetInetAddressAccess() {
          if (javaNetInetAddressAccess == null)
!             unsafe.ensureClassInitialized(java.net.InetAddress.class);
          return javaNetInetAddressAccess;
      }
  
      public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
          javaNetHttpCookieAccess = a;
      }
  
      public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
          if (javaNetHttpCookieAccess == null)
!             unsafe.ensureClassInitialized(java.net.HttpCookie.class);
          return javaNetHttpCookieAccess;
      }
  
      public static void setJavaNioAccess(JavaNioAccess jna) {
          javaNioAccess = jna;
--- 132,176 ----
  
      public static JavaLangRefAccess getJavaLangRefAccess() {
          return javaLangRefAccess;
      }
  
+     public static void setJavaLangThreadAccess(JavaLangThreadAccess jlta) {
+         SharedSecrets.javaLangThreadAccess = jlta;
+     }
+ 
+     public static JavaLangThreadAccess getJavaLangThreadAccess() {
+         return javaLangThreadAccess;
+     }
+ 
      public static void setJavaNetAccess(JavaNetAccess jna) {
          javaNetAccess = jna;
      }
  
      public static JavaNetAccess getJavaNetAccess() {
          if (javaNetAccess == null)
!             U.unsafe.ensureClassInitialized(java.net.URLClassLoader.class);
          return javaNetAccess;
      }
  
      public static void setJavaNetInetAddressAccess(JavaNetInetAddressAccess jna) {
          javaNetInetAddressAccess = jna;
      }
  
      public static JavaNetInetAddressAccess getJavaNetInetAddressAccess() {
          if (javaNetInetAddressAccess == null)
!             U.unsafe.ensureClassInitialized(java.net.InetAddress.class);
          return javaNetInetAddressAccess;
      }
  
      public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
          javaNetHttpCookieAccess = a;
      }
  
      public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
          if (javaNetHttpCookieAccess == null)
!             U.unsafe.ensureClassInitialized(java.net.HttpCookie.class);
          return javaNetHttpCookieAccess;
      }
  
      public static void setJavaNioAccess(JavaNioAccess jna) {
          javaNioAccess = jna;
*** 168,200 ****
      public static JavaNioAccess getJavaNioAccess() {
          if (javaNioAccess == null) {
              // Ensure java.nio.ByteOrder is initialized; we know that
              // this class initializes java.nio.Bits that provides the
              // shared secret.
!             unsafe.ensureClassInitialized(java.nio.ByteOrder.class);
          }
          return javaNioAccess;
      }
  
      public static void setJavaIOAccess(JavaIOAccess jia) {
          javaIOAccess = jia;
      }
  
      public static JavaIOAccess getJavaIOAccess() {
          if (javaIOAccess == null) {
!             unsafe.ensureClassInitialized(Console.class);
          }
          return javaIOAccess;
      }
  
      public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
          javaIOFileDescriptorAccess = jiofda;
      }
  
      public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
          if (javaIOFileDescriptorAccess == null)
!             unsafe.ensureClassInitialized(FileDescriptor.class);
  
          return javaIOFileDescriptorAccess;
      }
  
      public static void setJavaSecurityProtectionDomainAccess
--- 179,211 ----
      public static JavaNioAccess getJavaNioAccess() {
          if (javaNioAccess == null) {
              // Ensure java.nio.ByteOrder is initialized; we know that
              // this class initializes java.nio.Bits that provides the
              // shared secret.
!             U.unsafe.ensureClassInitialized(java.nio.ByteOrder.class);
          }
          return javaNioAccess;
      }
  
      public static void setJavaIOAccess(JavaIOAccess jia) {
          javaIOAccess = jia;
      }
  
      public static JavaIOAccess getJavaIOAccess() {
          if (javaIOAccess == null) {
!             U.unsafe.ensureClassInitialized(Console.class);
          }
          return javaIOAccess;
      }
  
      public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
          javaIOFileDescriptorAccess = jiofda;
      }
  
      public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
          if (javaIOFileDescriptorAccess == null)
!             U.unsafe.ensureClassInitialized(FileDescriptor.class);
  
          return javaIOFileDescriptorAccess;
      }
  
      public static void setJavaSecurityProtectionDomainAccess
*** 203,230 ****
      }
  
      public static JavaSecurityProtectionDomainAccess
          getJavaSecurityProtectionDomainAccess() {
              if (javaSecurityProtectionDomainAccess == null)
!                 unsafe.ensureClassInitialized(ProtectionDomain.class);
              return javaSecurityProtectionDomainAccess;
      }
  
      public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
          javaSecurityAccess = jsa;
      }
  
      public static JavaSecurityAccess getJavaSecurityAccess() {
          if (javaSecurityAccess == null) {
!             unsafe.ensureClassInitialized(AccessController.class);
          }
          return javaSecurityAccess;
      }
  
      public static JavaUtilZipFileAccess getJavaUtilZipFileAccess() {
          if (javaUtilZipFileAccess == null)
!             unsafe.ensureClassInitialized(java.util.zip.ZipFile.class);
          return javaUtilZipFileAccess;
      }
  
      public static void setJavaUtilZipFileAccess(JavaUtilZipFileAccess access) {
          javaUtilZipFileAccess = access;
--- 214,241 ----
      }
  
      public static JavaSecurityProtectionDomainAccess
          getJavaSecurityProtectionDomainAccess() {
              if (javaSecurityProtectionDomainAccess == null)
!                 U.unsafe.ensureClassInitialized(ProtectionDomain.class);
              return javaSecurityProtectionDomainAccess;
      }
  
      public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
          javaSecurityAccess = jsa;
      }
  
      public static JavaSecurityAccess getJavaSecurityAccess() {
          if (javaSecurityAccess == null) {
!             U.unsafe.ensureClassInitialized(AccessController.class);
          }
          return javaSecurityAccess;
      }
  
      public static JavaUtilZipFileAccess getJavaUtilZipFileAccess() {
          if (javaUtilZipFileAccess == null)
!             U.unsafe.ensureClassInitialized(java.util.zip.ZipFile.class);
          return javaUtilZipFileAccess;
      }
  
      public static void setJavaUtilZipFileAccess(JavaUtilZipFileAccess access) {
          javaUtilZipFileAccess = access;
*** 266,276 ****
          javaUtilResourceBundleAccess = access;
      }
  
      public static JavaObjectInputStreamAccess getJavaObjectInputStreamAccess() {
          if (javaObjectInputStreamAccess == null) {
!             unsafe.ensureClassInitialized(ObjectInputStream.class);
          }
          return javaObjectInputStreamAccess;
      }
  
      public static void setJavaObjectInputStreamAccess(JavaObjectInputStreamAccess access) {
--- 277,287 ----
          javaUtilResourceBundleAccess = access;
      }
  
      public static JavaObjectInputStreamAccess getJavaObjectInputStreamAccess() {
          if (javaObjectInputStreamAccess == null) {
!             U.unsafe.ensureClassInitialized(ObjectInputStream.class);
          }
          return javaObjectInputStreamAccess;
      }
  
      public static void setJavaObjectInputStreamAccess(JavaObjectInputStreamAccess access) {
*** 281,290 ****
          javaIORandomAccessFileAccess = jirafa;
      }
  
      public static JavaIORandomAccessFileAccess getJavaIORandomAccessFileAccess() {
          if (javaIORandomAccessFileAccess == null) {
!             unsafe.ensureClassInitialized(RandomAccessFile.class);
          }
          return javaIORandomAccessFileAccess;
      }
  }
--- 292,301 ----
          javaIORandomAccessFileAccess = jirafa;
      }
  
      public static JavaIORandomAccessFileAccess getJavaIORandomAccessFileAccess() {
          if (javaIORandomAccessFileAccess == null) {
!             U.unsafe.ensureClassInitialized(RandomAccessFile.class);
          }
          return javaIORandomAccessFileAccess;
      }
  }