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8324960: Unsafe.allocateMemory documentation incorrect regarding zero return value

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Reviewed-by: rriggs
This commit is contained in:
Brian Burkhalter 2024-02-05 21:31:17 +00:00
parent 7777eb5e15
commit 209d87a856
2 changed files with 10 additions and 8 deletions
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9
src/java.base/share/classes/jdk/internal/misc/Unsafe.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -597,9 +597,10 @@ public final class Unsafe {
/** /**
* Allocates a new block of native memory, of the given size in bytes. The * Allocates a new block of native memory, of the given size in bytes. The
* contents of the memory are uninitialized; they will generally be * contents of the memory are uninitialized; they will generally be
* garbage. The resulting native pointer will never be zero, and will be * garbage. The resulting native pointer will be zero if and only if the
* aligned for all value types. Dispose of this memory by calling {@link * requested size is zero. The resulting native pointer will be aligned for
* #freeMemory}, or resize it with {@link #reallocateMemory}. * all value types. Dispose of this memory by calling {@link #freeMemory}
* or resize it with {@link #reallocateMemory}.
* *
* <em>Note:</em> It is the responsibility of the caller to make * <em>Note:</em> It is the responsibility of the caller to make
* sure arguments are checked before the methods are called. While * sure arguments are checked before the methods are called. While

9
src/jdk.unsupported/share/classes/sun/misc/Unsafe.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2000, 2023, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2000, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -436,9 +436,10 @@ public final class Unsafe {
/** /**
* Allocates a new block of native memory, of the given size in bytes. The * Allocates a new block of native memory, of the given size in bytes. The
* contents of the memory are uninitialized; they will generally be * contents of the memory are uninitialized; they will generally be
* garbage. The resulting native pointer will never be zero, and will be * garbage. The resulting native pointer will be zero if and only if the
* aligned for all value types. Dispose of this memory by calling {@link * requested size is zero. The resulting native pointer will be aligned for
* #freeMemory}, or resize it with {@link #reallocateMemory}. * all value types. Dispose of this memory by calling {@link #freeMemory}
* or resize it with {@link #reallocateMemory}.
* *
* <em>Note:</em> It is the responsibility of the caller to make * <em>Note:</em> It is the responsibility of the caller to make
* sure arguments are checked before the methods are called. While * sure arguments are checked before the methods are called. While