/* * Copyright (C) 2020 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "jni.h" #include #include #include namespace art { static int nativeObj; static void BadNativeFinalizer(void *p) { if (p != &nativeObj) { printf("Finalizer was passed unexpected argument: %p, not %p\n", p, &nativeObj); } printf("Native finalizer looping\n"); volatile bool always_true = true; while (always_true) { sleep(1); } } extern "C" JNIEXPORT jlong JNICALL Java_Main_getBadFreeFunction(JNIEnv*, jclass) { printf("Returning bad finalizer: %p\n", &BadNativeFinalizer); // Delete for comparison. return reinterpret_cast(&BadNativeFinalizer); } extern "C" JNIEXPORT jlong JNICALL Java_Main_getNativeObj(JNIEnv*, jclass) { printf("Returning placeholder object: %p\n", &nativeObj); return reinterpret_cast(&nativeObj); } } // namespace art