/*

 * Copyright (c) 2003, 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 <stdio.h>

#include "nsk_strace.h"

#include "nsk_tools.h"

extern "C" {

static const char *Stest_cn="nsk/stress/strace/strace005";

static jclass stackOverflowErrorClass;

JNIEXPORT jint JNICALL

JNI_OnLoad(JavaVM *vm, void *reserved)

{

    JNIEnv *env;

    if (vm->GetEnv((void **) &env, JNI_VERSION) != JNI_OK) {

        printf("%s:%d: Failed to call GetEnv\n", __FILE__, __LINE__);

        return 0;

    }

    FIND_CLASS(stackOverflowErrorClass, "java/lang/StackOverflowError");

        printf("Can't create global ref for stack overflow class\n");

        return 0;

    }

    return JNI_VERSION;

}

JNIEXPORT void JNICALL

JNI_OnUnload(JavaVM *vm, void *reserved)

{

    JNIEnv *env;

    if (vm->GetEnv((void **) &env, JNI_VERSION) != JNI_OK) {

        if (stackOverflowErrorClass != NULL) {

            env->DeleteGlobalRef(stackOverflowErrorClass);

        }

    } else {

        printf("%s:%d: Failed to call GetEnv\n", __FILE__, __LINE__);

    }

}

JNIEXPORT void JNICALL

Java_nsk_stress_strace_strace005Thread_recursiveMethod2(JNIEnv *env, jobject obj)

{

    jfieldID field;

    jmethodID method;

    jint currDepth;

    jclass testClass, threadClass;

    jint maxDepth;

    FIND_CLASS(testClass, Stest_cn);

    GET_OBJECT_CLASS(threadClass, obj);

    GET_STATIC_INT_FIELD(maxDepth, testClass, "DEPTH");

    /* currDepth++ */

    GET_INT_FIELD(currDepth, obj, threadClass, "currentDepth");

    currDepth++;

    SET_INT_FIELD(obj, threadClass, "currentDepth", currDepth);

    if (maxDepth - currDepth > 0)

    {

        GET_STATIC_METHOD_ID(method, threadClass, "yield", "()V");

        env->CallStaticVoidMethod(threadClass, method);

        EXCEPTION_CHECK(stackOverflowErrorClass, currDepth);

        GET_METHOD_ID(method, threadClass, "recursiveMethod1", "()V");

        env->CallVoidMethod(obj, method);

        EXCEPTION_CHECK(stackOverflowErrorClass, currDepth);

    }

    currDepth--;

    GET_OBJECT_CLASS(threadClass, obj);

    SET_INT_FIELD(obj, threadClass, "currentDepth", currDepth);

}

}