/* * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "jni.h" #include "testlib_threads.h" struct Context { JavaVM* jvm; jobject res; }; void call(void* ctxt) { Context* context = (Context*) ctxt; JNIEnv* env; context->jvm->AttachCurrentThread((void**)&env, NULL); jclass symbolLookupClass = env->FindClass("java/lang/foreign/SymbolLookup"); jmethodID loaderLookupMethod = env->GetStaticMethodID(symbolLookupClass, "loaderLookup", "()Ljava/lang/foreign/SymbolLookup;"); context->res = env->NewGlobalRef(env->CallStaticObjectMethod(symbolLookupClass, loaderLookupMethod)); context->jvm->DetachCurrentThread(); } extern "C" { JNIEXPORT jobject JNICALL Java_TestLoaderLookupJNI_loaderLookup0(JNIEnv *env, jclass cls) { JavaVM* jvm; env->GetJavaVM(&jvm); Context context; context.jvm = jvm; run_in_new_thread_and_join(call, &context); return context.res; } }