1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include <jni.h> 25 26 static jmethodID methodId; 27 28 extern "C" { 29 JNIEXPORT jboolean JNICALL Java_ClassInitBarrier_init(JNIEnv* env, jclass cls) { 30 jclass runnable = env->FindClass("java/lang/Runnable"); 31 if (runnable == NULL) return JNI_FALSE; 32 33 methodId = env->GetMethodID(runnable, "run", "()V"); 34 if (methodId == NULL) return JNI_FALSE; 35 36 return JNI_TRUE; 37 } 38 39 JNIEXPORT void JNICALL Java_ClassInitBarrier_00024Test_00024A_staticN(JNIEnv* env, jclass cls, jobject action) { 40 env->CallVoidMethod(action, methodId); 41 } 42 }