40      * Performs any required security checks and dynamic reconfiguration to allow the module of a
  41      * given class to access the classes in the JVMCI module.
  42      *
  43      * Note: This API uses {@link Class} instead of {@link Module} to provide backwards
  44      * compatibility for JVMCI clients compiled against a JDK release earlier than 9.
  45      *
  46      * @param requestor a class requesting access to the JVMCI module for its module
  47      * @throws SecurityException if a security manager is present and it denies
  48      *             {@link JVMCIPermission}
  49      */
  50     public static void exportJVMCITo(Class<?> requestor) {
  51         SecurityManager sm = System.getSecurityManager();
  52         if (sm != null) {
  53             sm.checkPermission(new JVMCIPermission());
  54         }
  55         Module jvmci = Services.class.getModule();
  56         Module requestorModule = requestor.getModule();
  57         if (jvmci != requestorModule) {
  58             for (String pkg : jvmci.getPackages()) {
  59                 // Export all JVMCI packages dynamically instead
  60                 // of requiring a long list of -XaddExports
  61                 // options on the JVM command line.
  62                 if (!jvmci.isExported(pkg, requestorModule)) {
  63                     jvmci.addExports(pkg, requestorModule);
  64                 }
  65             }
  66         }
  67     }
  68 
  69     /**
  70      * Gets an {@link Iterable} of the JVMCI providers available for a given service.
  71      *
  72      * @throws SecurityException if a security manager is present and it denies
  73      *             {@link JVMCIPermission}
  74      */
  75     public static <S> Iterable<S> load(Class<S> service) {
  76         SecurityManager sm = System.getSecurityManager();
  77         if (sm != null) {
  78             sm.checkPermission(new JVMCIPermission());
  79         }
  80         Module jvmci = Services.class.getModule();

  40      * Performs any required security checks and dynamic reconfiguration to allow the module of a
  41      * given class to access the classes in the JVMCI module.
  42      *
  43      * Note: This API uses {@link Class} instead of {@link Module} to provide backwards
  44      * compatibility for JVMCI clients compiled against a JDK release earlier than 9.
  45      *
  46      * @param requestor a class requesting access to the JVMCI module for its module
  47      * @throws SecurityException if a security manager is present and it denies
  48      *             {@link JVMCIPermission}
  49      */
  50     public static void exportJVMCITo(Class<?> requestor) {
  51         SecurityManager sm = System.getSecurityManager();
  52         if (sm != null) {
  53             sm.checkPermission(new JVMCIPermission());
  54         }
  55         Module jvmci = Services.class.getModule();
  56         Module requestorModule = requestor.getModule();
  57         if (jvmci != requestorModule) {
  58             for (String pkg : jvmci.getPackages()) {
  59                 // Export all JVMCI packages dynamically instead
  60                 // of requiring a long list of --add-exports
  61                 // options on the JVM command line.
  62                 if (!jvmci.isExported(pkg, requestorModule)) {
  63                     jvmci.addExports(pkg, requestorModule);
  64                 }
  65             }
  66         }
  67     }
  68 
  69     /**
  70      * Gets an {@link Iterable} of the JVMCI providers available for a given service.
  71      *
  72      * @throws SecurityException if a security manager is present and it denies
  73      *             {@link JVMCIPermission}
  74      */
  75     public static <S> Iterable<S> load(Class<S> service) {
  76         SecurityManager sm = System.getSecurityManager();
  77         if (sm != null) {
  78             sm.checkPermission(new JVMCIPermission());
  79         }
  80         Module jvmci = Services.class.getModule();