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8341282: (fs) Move creation time fallback logic to Java layer (Linux)

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Reviewed-by: sgehwolf, alanb
This commit is contained in:
Brian Burkhalter 2024-10-03 15:13:58 +00:00
parent f1ea57f06a
commit 3ee94e040a
2 changed files with 19 additions and 13 deletions
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7
src/java.base/unix/classes/sun/nio/fs/UnixFileAttributes.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -58,6 +58,7 @@ class UnixFileAttributes
private long st_ctime_nsec;
private long st_birthtime_sec;
private long st_birthtime_nsec;
private boolean birthtime_available;
// created lazily
private volatile UserPrincipal owner;
@ -163,10 +164,10 @@ class UnixFileAttributes
@Override
public FileTime creationTime() {
if (UnixNativeDispatcher.birthtimeSupported()) {
if (UnixNativeDispatcher.birthtimeSupported() && birthtime_available) {
return toFileTime(st_birthtime_sec, st_birthtime_nsec);
} else {
// return last modified when birth time not supported
// return last modified when birth time unsupported or unavailable
return lastModifiedTime();
}
}