Mercurial > jdk8-mips64-public > hotspot / annotate
test/runtime/NMT/UnsafeMallocLimit.java@ed3d653e4012 (annotated)
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
| zgu@7177 | 1 | /* |
| zgu@7177 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| zgu@7177 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| zgu@7177 | 4 | * |
| zgu@7177 | 5 | * This code is free software; you can redistribute it and/or modify it |
| zgu@7177 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| zgu@7177 | 7 | * published by the Free Software Foundation. |
| zgu@7177 | 8 | * |
| zgu@7177 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| zgu@7177 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| zgu@7177 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| zgu@7177 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| zgu@7177 | 13 | * accompanied this code). |
| zgu@7177 | 14 | * |
| zgu@7177 | 15 | * You should have received a copy of the GNU General Public License version |
| zgu@7177 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| zgu@7177 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| zgu@7177 | 18 | * |
| zgu@7177 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| zgu@7177 | 20 | * or visit www.oracle.com if you need additional information or have any |
| zgu@7177 | 21 | * questions. |
| zgu@7177 | 22 | */ |
| zgu@7177 | 23 | |
| zgu@7177 | 24 | /* |
| zgu@7177 | 25 | * @test |
| zgu@7177 | 26 | * @bug 8055289 |
| zgu@7177 | 27 | * @library /testlibrary |
| zgu@7177 | 28 | * @build UnsafeMallocLimit |
| zgu@7177 | 29 | * @run main/othervm -Xmx32m -XX:NativeMemoryTracking=summary UnsafeMallocLimit |
| zgu@7177 | 30 | */ |
| zgu@7177 | 31 | |
| zgu@7177 | 32 | import com.oracle.java.testlibrary.*; |
| zgu@7177 | 33 | import sun.misc.Unsafe; |
| zgu@7177 | 34 | |
| zgu@7177 | 35 | public class UnsafeMallocLimit { |
| zgu@7177 | 36 | |
| zgu@7177 | 37 | public static void main(String args[]) throws Exception { |
| zgu@7177 | 38 | if (Platform.is32bit()) { |
| zgu@7177 | 39 | Unsafe unsafe = Utils.getUnsafe(); |
| zgu@7177 | 40 | try { |
| zgu@7177 | 41 | unsafe.allocateMemory(1 << 30); |
| zgu@7177 | 42 | throw new RuntimeException("Did not get expected OOME"); |
| zgu@7177 | 43 | } catch (OutOfMemoryError e) { |
| zgu@7177 | 44 | // Expected exception |
| zgu@7177 | 45 | } |
| zgu@7177 | 46 | } else { |
| zgu@7177 | 47 | System.out.println("Test only valid on 32-bit platforms"); |
| zgu@7177 | 48 | } |
| zgu@7177 | 49 | } |
| zgu@7177 | 50 | } |
