src/share/vm/prims/whitebox.cpp

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*** 432,443 **** // Make sure that wbclass is loaded by the null classloader instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); Handle loader(ikh->class_loader()); if (loader.is_null()) { ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI ! jint result = env->RegisterNatives(wbclass, methods, sizeof(methods)/sizeof(methods[0])); ! if (result == 0) { WhiteBox::set_used(); } } } } --- 432,460 ---- // Make sure that wbclass is loaded by the null classloader instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); Handle loader(ikh->class_loader()); if (loader.is_null()) { ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI ! bool result = true; ! // one by one registration natives for exception catching ! for (int i = 0, n = sizeof(methods) / sizeof(methods[0]); i < n; ++i) { ! if (env->RegisterNatives(wbclass, methods + i, 1) != 0) { ! result &= false; ! if (env->ExceptionCheck()) { ! tty->print_cr("Warning: exception on register of sun.hotspot.WhiteBox::%s%s", methods[i].name, methods[i].signature); ! env->ExceptionClear(); ! result &= false; ! } else { ! // register is failed w/o exception ! env->UnregisterNatives(wbclass); ! result &= false; ! break; ! } ! } ! } ! ! if (result) { WhiteBox::set_used(); } } } }