test/runtime/NMT/UnsafeMallocLimit.java

Thu, 04 Sep 2014 14:50:31 -0400

author
zgu
date
Thu, 04 Sep 2014 14:50:31 -0400
changeset 7177
ed3d653e4012
permissions
-rw-r--r--

8055289: Internal Error: mallocTracker.cpp:146 fatal error: Should not use malloc for big memory block, use virtual memory instead
Summary: Return NULL if memory allocation size is bigger than MAX_MALLOC_SIZE when NMT is on
Reviewed-by: coleenp, gtriantafill

     1 /*
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  */
    24 /*
    25  * @test
    26  * @bug 8055289
    27  * @library /testlibrary
    28  * @build UnsafeMallocLimit
    29  * @run main/othervm -Xmx32m -XX:NativeMemoryTracking=summary UnsafeMallocLimit
    30  */
    32 import com.oracle.java.testlibrary.*;
    33 import sun.misc.Unsafe;
    35 public class UnsafeMallocLimit {
    37     public static void main(String args[]) throws Exception {
    38         if (Platform.is32bit()) {
    39             Unsafe unsafe = Utils.getUnsafe();
    40             try {
    41                 unsafe.allocateMemory(1 << 30);
    42                 throw new RuntimeException("Did not get expected OOME");
    43             } catch (OutOfMemoryError e) {
    44                 // Expected exception
    45             }
    46         } else {
    47             System.out.println("Test only valid on 32-bit platforms");
    48         }
    49     }
    50 }

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