test/hotspot/jtreg/gc/stress/TestJNIBlockFullGC/libTestJNIBlockFullGC.c
changeset 48631 862c41cf1c7f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/stress/TestJNIBlockFullGC/libTestJNIBlockFullGC.c	Thu Jan 11 10:40:01 2018 +0100
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, SAP SE 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 jint JNICALL
+Java_TestJNIBlockFullGC_TestCriticalArray0(JNIEnv *env, jclass jCls, jintArray jIn) {
+  jint *bufIn = NULL;
+  jint jInLen = (*env)->GetArrayLength(env, jIn);
+  jint result = 0;
+  jint i;
+
+  if (jInLen != 0) {
+    bufIn = (jint*)(*env)->GetPrimitiveArrayCritical(env, jIn, 0);
+  }
+
+  for (i = 0; i < jInLen; ++i) {
+    result += bufIn[i]; // result = sum of all array elements
+  }
+
+  if (bufIn != NULL) {
+    (*env)->ReleasePrimitiveArrayCritical(env, jIn, bufIn, 0);
+  }
+
+  return result;
+}
+