src/hotspot/share/prims/jvm.cpp

rev 59083 : DRAFT 8236522: NonTearable marker interface for inline classes to enforce atomicity

*** 2330,2343 ****
    oop o = JNIHandles::resolve(array);
    Klass* k = o->klass();
    if ((o == NULL) || (!k->is_array_klass())) {
      THROW_0(vmSymbols::java_lang_IllegalArgumentException());
    }
!   if (k->is_valueArray_klass()) {
!     return ValueArrayKlass::cast(k)->is_atomic();
!   }
!   return true;
  JVM_END
  
  JVM_ENTRY(jobject, JVM_ArrayEnsureAccessAtomic(JNIEnv *env, jclass unused, jobject array))
    JVMWrapper("JVM_ArrayEnsureAccessAtomic");
    oop o = JNIHandles::resolve(array);
--- 2330,2340 ----
    oop o = JNIHandles::resolve(array);
    Klass* k = o->klass();
    if ((o == NULL) || (!k->is_array_klass())) {
      THROW_0(vmSymbols::java_lang_IllegalArgumentException());
    }
!   return ArrayKlass::cast(k)->element_access_is_atomic();
  JVM_END
  
  JVM_ENTRY(jobject, JVM_ArrayEnsureAccessAtomic(JNIEnv *env, jclass unused, jobject array))
    JVMWrapper("JVM_ArrayEnsureAccessAtomic");
    oop o = JNIHandles::resolve(array);
*** 2345,2355 ****
    if ((o == NULL) || (!k->is_array_klass())) {
      THROW_0(vmSymbols::java_lang_IllegalArgumentException());
    }
    if (k->is_valueArray_klass()) {
      ValueArrayKlass* vk = ValueArrayKlass::cast(k);
!     if (!vk->is_atomic()) {
        /**
         * Need to decide how to implement:
         *
         * 1) Change to objArrayOop layout, therefore oop->klass() differs so
         * then "<atomic>[Qfoo;" klass needs to subclass "[Qfoo;" to pass through
--- 2342,2352 ----
    if ((o == NULL) || (!k->is_array_klass())) {
      THROW_0(vmSymbols::java_lang_IllegalArgumentException());
    }
    if (k->is_valueArray_klass()) {
      ValueArrayKlass* vk = ValueArrayKlass::cast(k);
!     if (!vk->element_access_is_atomic()) {
        /**
         * Need to decide how to implement:
         *
         * 1) Change to objArrayOop layout, therefore oop->klass() differs so
         * then "<atomic>[Qfoo;" klass needs to subclass "[Qfoo;" to pass through