6e9f44c74c
During a minor GC, if memory allocation fails, start a full GC within the same VM operation in the same safepoint. This avoids a race where the GC locker can prevent the full GC from occurring, and a premature OoME. Co-authored-by: Axel Siebenborn <axel.siebenborn@sap.com> Reviewed-by: ehelin, sjohanss, phh
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2017, SAP SE and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "jni.h"
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JNIEXPORT jint JNICALL
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Java_TestJNIBlockFullGC_TestCriticalArray0(JNIEnv *env, jclass jCls, jintArray jIn) {
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jint *bufIn = NULL;
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jint jInLen = (*env)->GetArrayLength(env, jIn);
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jint result = 0;
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jint i;
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if (jInLen != 0) {
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bufIn = (jint*)(*env)->GetPrimitiveArrayCritical(env, jIn, 0);
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}
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for (i = 0; i < jInLen; ++i) {
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result += bufIn[i]; // result = sum of all array elements
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}
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if (bufIn != NULL) {
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(*env)->ReleasePrimitiveArrayCritical(env, jIn, bufIn, 0);
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}
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return result;
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}
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