hotspot/test/gc/stress/gclocker/libTestGCLocker.c
author ehelin
Tue, 18 Apr 2017 11:01:09 +0200
changeset 46397 2dd13ff72976
permissions -rw-r--r--
8177968: Add GC stress test TestGCLocker Reviewed-by: pliden, lmesnik

/*
 * Copyright (c) 2017, 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>

JNIEXPORT void JNICALL
Java_GCLockerStresser_fillWithRandomValues(JNIEnv* env, jclass clz, jbyteArray arr) {
  jsize size = (*env)->GetArrayLength(env, arr);
  jbyte* p = (*env)->GetPrimitiveArrayCritical(env, arr, NULL);
  jsize i;
  for (i = 0; i < size; i++) {
    p[i] = i % 128;
  }
  (*env)->ReleasePrimitiveArrayCritical(env, arr, p, 0);
}