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 }