/*

 * Copyright (c) 2007, 2018, 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"

extern "C" {

int always_true = 1;

JNIEXPORT jint JNICALL

Java_nsk_jdwp_ThreadReference_ForceEarlyReturn_forceEarlyReturn002_forceEarlyReturn002a_nativeMethod(JNIEnv *env, jobject classObject, jobject object)

{

    int dummy_counter = 0;

    // notify another thread that thread in native method

    // execute infinite loop to be sure that thread in native method

    while(always_true)

    {

        // Need some dummy code so the optimizer does not remove this loop.

        dummy_counter = dummy_counter < 1000 ? 0 : dummy_counter + 1;

    }

    // The optimizer can be surprisingly clever.

    // Use dummy_counter so it can never be optimized out.

    // This statement will always return 0.

    return dummy_counter >= 0 ? 0 : 1;

}

}