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8030048: (fs) Support UserDefinedFileAttributeView/extended attributes on OS X / HFS+

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Reviewed-by: alanb
This commit is contained in:
Sebastian Stenzel 2021-01-16 08:36:05 +00:00 • committed by Alan Bateman
parent bbb93ca3c8
commit afd3f78aec
7 changed files with 573 additions and 0 deletions
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61
src/java.base/macosx/classes/sun/nio/fs/BsdNativeDispatcher.java
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@ -65,6 +65,67 @@ class BsdNativeDispatcher extends UnixNativeDispatcher {
}
static native byte[] getmntonname0(long pathAddress) throws UnixException;
/**
* ssize_t fgetxattr(int fd, const char *name, void *value, size_t size,
* u_int32_t position, int options);
*/
static int fgetxattr(int fd, byte[] name, long valueAddress,
int valueLen) throws UnixException
{
NativeBuffer buffer = NativeBuffers.asNativeBuffer(name);
try {
return fgetxattr0(fd, buffer.address(), valueAddress, valueLen, 0L, 0);
} finally {
buffer.release();
}
}
private static native int fgetxattr0(int fd, long nameAddress,
long valueAddress, int valueLen, long position, int options) throws UnixException;
/**
* int fsetxattr(int fd, const char *name, void *value, size_t size,
* u_int32_t position, int options);
*/
static void fsetxattr(int fd, byte[] name, long valueAddress,
int valueLen) throws UnixException
{
NativeBuffer buffer = NativeBuffers.asNativeBuffer(name);
try {
fsetxattr0(fd, buffer.address(), valueAddress, valueLen, 0L, 0);
} finally {
buffer.release();
}
}
private static native void fsetxattr0(int fd, long nameAddress,
long valueAddress, int valueLen, long position, int options) throws UnixException;
/**
* int fremovexattr(int fd, const char *name, int options);
*/
static void fremovexattr(int fd, byte[] name) throws UnixException {
NativeBuffer buffer = NativeBuffers.asNativeBuffer(name);
try {
fremovexattr0(fd, buffer.address(), 0);
} finally {
buffer.release();
}
}
private static native void fremovexattr0(int fd, long nameAddress, int options)
throws UnixException;
/**
* ssize_t flistxattr(int fd, char *namebuf, size_t size, int options);
*/
static int flistxattr(int fd, long nameBufAddress, int size) throws UnixException {
return flistxattr0(fd, nameBufAddress, size, 0);
}
private static native int flistxattr0(int fd, long nameBufAddress, int size,
int options) throws UnixException;
// initialize field IDs
private static native void initIDs();