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8230085: (fs) FileStore::isReadOnly is always true on macOS Catalina

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Reviewed-by: alanb
This commit is contained in:
Brian Burkhalter 2019-09-13 16:03:31 -07:00
parent c0e1f9ee6c
commit c57ad7ffc0
4 changed files with 44 additions and 17 deletions
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20
src/java.base/macosx/classes/sun/nio/fs/BsdFileStore.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2019, 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
@ -62,22 +62,14 @@ class BsdFileStore
}
// step 2: find mount point
UnixPath parent = path.getParent();
while (parent != null) {
UnixFileAttributes attrs = null;
try {
attrs = UnixFileAttributes.get(parent, true);
} catch (UnixException x) {
x.rethrowAsIOException(parent);
}
if (attrs.dev() != dev())
break;
path = parent;
parent = parent.getParent();
byte[] dir = null;
try {
dir = BsdNativeDispatcher.getmntonname(path);
} catch (UnixException x) {
x.rethrowAsIOException(path);
}
// step 3: lookup mounted file systems
byte[] dir = path.asByteArray();
for (UnixMountEntry entry: fs.getMountEntries()) {
if (Arrays.equals(dir, entry.dir()))
return entry;

16
src/java.base/macosx/classes/sun/nio/fs/BsdNativeDispatcher.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2008, 2019, 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
@ -51,6 +51,20 @@ class BsdNativeDispatcher extends UnixNativeDispatcher {
*/
static native void endfsstat(long iter) throws UnixException;
/**
* int statfs(const char *path, struct statfs *buf);
* returns buf->f_mntonname (directory on which mounted)
*/
static byte[] getmntonname(UnixPath path) throws UnixException {
NativeBuffer pathBuffer = copyToNativeBuffer(path);
try {
return getmntonname0(pathBuffer.address());
} finally {
pathBuffer.release();
}
}
static native byte[] getmntonname0(long pathAddress) throws UnixException;
// initialize field IDs
private static native void initIDs();