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1 /* |
1 /* |
2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. Oracle designates this |
7 * published by the Free Software Foundation. Oracle designates this |
23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 |
25 |
26 package sun.nio.ch; |
26 package sun.nio.ch; |
27 |
27 |
28 import java.lang.reflect.*; |
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29 import java.io.FileDescriptor; |
28 import java.io.FileDescriptor; |
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29 import java.lang.reflect.Constructor; |
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30 import java.lang.reflect.InvocationTargetException; |
30 import java.nio.ByteBuffer; |
31 import java.nio.ByteBuffer; |
31 import java.nio.MappedByteBuffer; |
32 import java.nio.MappedByteBuffer; |
32 import java.security.AccessController; |
33 import java.security.AccessController; |
33 import java.security.PrivilegedAction; |
34 import java.security.PrivilegedAction; |
34 import java.util.*; |
35 import java.util.Collection; |
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36 import java.util.Iterator; |
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37 import java.util.Set; |
35 import jdk.internal.misc.Unsafe; |
38 import jdk.internal.misc.Unsafe; |
36 import sun.security.action.GetPropertyAction; |
39 import sun.security.action.GetPropertyAction; |
37 |
40 |
38 |
41 |
39 public class Util { |
42 public class Util { |
454 InvocationTargetException e) { |
457 InvocationTargetException e) { |
455 throw new InternalError(e); |
458 throw new InternalError(e); |
456 } |
459 } |
457 return dbb; |
460 return dbb; |
458 } |
461 } |
459 |
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460 |
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461 // -- Bug compatibility -- |
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462 |
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463 private static volatile String bugLevel; |
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464 |
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465 static boolean atBugLevel(String bl) { // package-private |
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466 if (bugLevel == null) { |
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467 if (!jdk.internal.misc.VM.isBooted()) |
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468 return false; |
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469 String value = GetPropertyAction |
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470 .privilegedGetProperty("sun.nio.ch.bugLevel"); |
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471 bugLevel = (value != null) ? value : ""; |
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472 } |
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473 return bugLevel.equals(bl); |
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474 } |
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475 |
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476 } |
462 } |