1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright (c) 2017, SAP SE and/or its affiliates. All rights reserved.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  */

    24 

    25 #include "jni.h"

    26 

    27 JNIEXPORT jint JNICALL

    28 Java_TestJNIBlockFullGC_TestCriticalArray0(JNIEnv *env, jclass jCls, jintArray jIn) {

    29   jint *bufIn = NULL;

    30   jint jInLen = (*env)->GetArrayLength(env, jIn);

    31   jint result = 0;

    32   jint i;

    33 

    34   if (jInLen != 0) {

    35     bufIn = (jint*)(*env)->GetPrimitiveArrayCritical(env, jIn, 0);

    36   }

    37 

    38   for (i = 0; i < jInLen; ++i) {

    39     result += bufIn[i]; // result = sum of all array elements

    40   }

    41 

    42   if (bufIn != NULL) {

    43     (*env)->ReleasePrimitiveArrayCritical(env, jIn, bufIn, 0);

    44   }

    45 

    46   return result;

    47 }

    48