OpenJDK 27 · sun.nio.ch.UnixFileDispatcherImpl · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private static final JavaIOFileDescriptorAccess	fdAccess
private static final int	MAP_INVALID
private static final int	MAP_PV
private static final int	MAP_RO
private static final int	MAP_RW

Access	Constructor and Description
pack-priv	UnixFileDispatcherImpl()

Method Summary

Modifier and Type	Method and Description
pack-priv long	allocationGranularity() Implements abstract sun.nio.ch.FileDispatcher.allocationGranularity.
pack-priv static native long	allocationGranularity0()
pack-priv int	available(FileDescriptor fd) Implements abstract sun.nio.ch.FileDispatcher.available.
pack-priv static native int	available0(FileDescriptor fd)
pack-priv boolean	canTransferToDirectly(SelectableChannel sc) Implements abstract sun.nio.ch.FileDispatcher.canTransferToDirectly.
pack-priv boolean	canTransferToFromOverlappedMap() Implements abstract sun.nio.ch.FileDispatcher.canTransferToFromOverlappedMap.
pack-priv void	close(FileDescriptor fd) Implements abstract sun.nio.ch.NativeDispatcher.close.
pack-priv static native void	closeIntFD(int fd)
pack-priv FileDescriptor	duplicateForMapping(FileDescriptor fd) Implements abstract sun.nio.ch.FileDispatcher.duplicateForMapping. Returns a dup of fd if a file descriptor is required for memory-mapping operations, otherwise returns an invalid FileDescriptor (meaning a newly allocated FileDescriptor)
pack-priv int	force(FileDescriptor fd, boolean metaData) Implements abstract sun.nio.ch.FileDispatcher.force.
pack-priv static native int	force0(FileDescriptor fd, boolean metaData)
pack-priv boolean	isOther(FileDescriptor fd) Implements abstract sun.nio.ch.FileDispatcher.isOther.
pack-priv static native boolean	isOther0(FileDescriptor fd)
pack-priv int	lock(FileDescriptor fd, boolean blocking, long pos, long size, boolean shared) Implements abstract sun.nio.ch.FileDispatcher.lock.
pack-priv static native int	lock0(FileDescriptor fd, boolean blocking, long pos, long size, boolean shared)
pack-priv long	map(FileDescriptor fd, int prot, long position, long length, boolean isSync) Implements abstract sun.nio.ch.FileDispatcher.map.
pack-priv static native long	map0(FileDescriptor fd, int prot, long position, long length, boolean isSync)
pack-priv int	maxDirectTransferSize() Implements abstract sun.nio.ch.FileDispatcher.maxDirectTransferSize.
pack-priv int	pread(FileDescriptor fd, long address, int len, long position) Overrides sun.nio.ch.NativeDispatcher.pread.
pack-priv static native int	pread0(FileDescriptor fd, long address, int len, long position)
pack-priv int	pwrite(FileDescriptor fd, long address, int len, long position) Overrides sun.nio.ch.NativeDispatcher.pwrite.
pack-priv static native int	pwrite0(FileDescriptor fd, long address, int len, long position)
pack-priv int	read(FileDescriptor fd, long address, int len) Implements abstract sun.nio.ch.NativeDispatcher.read.
pack-priv static native int	read0(FileDescriptor fd, long address, int len)
pack-priv long	readv(FileDescriptor fd, long address, int len) Implements abstract sun.nio.ch.NativeDispatcher.readv.
pack-priv static native long	readv0(FileDescriptor fd, long address, int len)
pack-priv void	release(FileDescriptor fd, long pos, long size) Implements abstract sun.nio.ch.FileDispatcher.release.
pack-priv static native void	release0(FileDescriptor fd, long pos, long size)
pack-priv long	seek(FileDescriptor fd, long offset) Implements abstract sun.nio.ch.FileDispatcher.seek. Sets or reports this file's position If offset is -1, the current position is returned otherwise the position is set to offset.
pack-priv static native long	seek0(FileDescriptor fd, long offset)
pack-priv static native int	setDirect0(FileDescriptor fd)
pack-priv int	setDirectIO(FileDescriptor fd, String path) Implements abstract sun.nio.ch.FileDispatcher.setDirectIO.
pack-priv long	size(FileDescriptor fd) Implements abstract sun.nio.ch.FileDispatcher.size.
pack-priv static native long	size0(FileDescriptor fd)
pack-priv long	transferFrom(FileDescriptor src, FileDescriptor dst, long position, long count, boolean append) Implements abstract sun.nio.ch.FileDispatcher.transferFrom.
pack-priv long	transferTo(FileDescriptor src, long position, long count, FileDescriptor dst, boolean append) Implements abstract sun.nio.ch.FileDispatcher.transferTo.
pack-priv boolean	transferToDirectlyNeedsPositionLock() Implements abstract sun.nio.ch.FileDispatcher.transferToDirectlyNeedsPositionLock.
pack-priv int	truncate(FileDescriptor fd, long size) Implements abstract sun.nio.ch.FileDispatcher.truncate.
pack-priv static native int	truncate0(FileDescriptor fd, long size)
pack-priv int	unmap(long address, long length) Implements abstract sun.nio.ch.FileDispatcher.unmap.
pack-priv static native int	unmap0(long address, long length)
pack-priv int	write(FileDescriptor fd, long address, int len) Implements abstract sun.nio.ch.NativeDispatcher.write.
pack-priv static native int	write0(FileDescriptor fd, long address, int len)
pack-priv long	writev(FileDescriptor fd, long address, int len) Implements abstract sun.nio.ch.NativeDispatcher.writev.
pack-priv static native long	writev0(FileDescriptor fd, long address, int len)

fdAccess	back to summary
private static final JavaIOFileDescriptorAccess fdAccess

MAP_INVALID	back to summary
private static final int MAP_INVALID

MAP_PV	back to summary
private static final int MAP_PV

MAP_RO	back to summary
private static final int MAP_RO

MAP_RW	back to summary
private static final int MAP_RW

UnixFileDispatcherImpl	back to summary
pack-priv UnixFileDispatcherImpl()

Method Detail

allocationGranularity	back to summary
pack-priv long allocationGranularity() Implements abstract sun.nio.ch.FileDispatcher.allocationGranularity.

allocationGranularity0	back to summary
pack-priv static native long allocationGranularity0()

available	back to summary
pack-priv int available(FileDescriptor fd) throws IOException Implements abstract sun.nio.ch.FileDispatcher.available.

available0	back to summary
pack-priv static native int available0(FileDescriptor fd) throws IOException

canTransferToDirectly	back to summary
pack-priv boolean canTransferToDirectly(SelectableChannel sc) Implements abstract sun.nio.ch.FileDispatcher.canTransferToDirectly.

canTransferToFromOverlappedMap	back to summary
pack-priv boolean canTransferToFromOverlappedMap() Implements abstract sun.nio.ch.FileDispatcher.canTransferToFromOverlappedMap.

close	back to summary
pack-priv void close(FileDescriptor fd) throws IOException Implements abstract sun.nio.ch.NativeDispatcher.close.

closeIntFD	back to summary
pack-priv static native void closeIntFD(int fd) throws IOException

duplicateForMapping	back to summary
pack-priv FileDescriptor duplicateForMapping(FileDescriptor fd) Implements abstract sun.nio.ch.FileDispatcher.duplicateForMapping. Doc from sun.nio.ch.FileDispatcher.duplicateForMapping. Returns a dup of fd if a file descriptor is required for memory-mapping operations, otherwise returns an invalid FileDescriptor (meaning a newly allocated FileDescriptor)

duplicateForMapping

back to summary

pack-priv FileDescriptor duplicateForMapping(FileDescriptor fd)

Implements abstract sun.nio.ch.FileDispatcher.duplicateForMapping.

Doc from sun.nio.ch.FileDispatcher.duplicateForMapping.

Returns a dup of fd if a file descriptor is required for memory-mapping operations, otherwise returns an invalid FileDescriptor (meaning a newly allocated FileDescriptor)

force	back to summary
pack-priv int force(FileDescriptor fd, boolean metaData) throws IOException Implements abstract sun.nio.ch.FileDispatcher.force.

force0	back to summary
pack-priv static native int force0(FileDescriptor fd, boolean metaData) throws IOException

isOther	back to summary
pack-priv boolean isOther(FileDescriptor fd) throws IOException Implements abstract sun.nio.ch.FileDispatcher.isOther.

isOther0	back to summary
pack-priv static native boolean isOther0(FileDescriptor fd) throws IOException

lock	back to summary
pack-priv int lock(FileDescriptor fd, boolean blocking, long pos, long size, boolean shared) throws IOException Implements abstract sun.nio.ch.FileDispatcher.lock.

lock0	back to summary
pack-priv static native int lock0(FileDescriptor fd, boolean blocking, long pos, long size, boolean shared) throws IOException

map	back to summary
pack-priv long map(FileDescriptor fd, int prot, long position, long length, boolean isSync) throws IOException Implements abstract sun.nio.ch.FileDispatcher.map.

map0	back to summary
pack-priv static native long map0(FileDescriptor fd, int prot, long position, long length, boolean isSync) throws IOException

maxDirectTransferSize	back to summary
pack-priv int maxDirectTransferSize() Implements abstract sun.nio.ch.FileDispatcher.maxDirectTransferSize.

pread	back to summary
pack-priv int pread(FileDescriptor fd, long address, int len, long position) throws IOException Overrides sun.nio.ch.NativeDispatcher.pread.

pread0	back to summary
pack-priv static native int pread0(FileDescriptor fd, long address, int len, long position) throws IOException

pwrite	back to summary
pack-priv int pwrite(FileDescriptor fd, long address, int len, long position) throws IOException Overrides sun.nio.ch.NativeDispatcher.pwrite.

pwrite0	back to summary
pack-priv static native int pwrite0(FileDescriptor fd, long address, int len, long position) throws IOException

read	back to summary
pack-priv int read(FileDescriptor fd, long address, int len) throws IOException Implements abstract sun.nio.ch.NativeDispatcher.read.

read0	back to summary
pack-priv static native int read0(FileDescriptor fd, long address, int len) throws IOException

readv	back to summary
pack-priv long readv(FileDescriptor fd, long address, int len) throws IOException Implements abstract sun.nio.ch.NativeDispatcher.readv.

readv0	back to summary
pack-priv static native long readv0(FileDescriptor fd, long address, int len) throws IOException

release	back to summary
pack-priv void release(FileDescriptor fd, long pos, long size) throws IOException Implements abstract sun.nio.ch.FileDispatcher.release.

release0	back to summary
pack-priv static native void release0(FileDescriptor fd, long pos, long size) throws IOException

seek	back to summary
pack-priv long seek(FileDescriptor fd, long offset) throws IOException Implements abstract sun.nio.ch.FileDispatcher.seek. Doc from sun.nio.ch.FileDispatcher.seek. Sets or reports this file's position If offset is -1, the current position is returned otherwise the position is set to offset.

seek

back to summary

pack-priv long seek(FileDescriptor fd, long offset) throws IOException

Implements abstract sun.nio.ch.FileDispatcher.seek.

Doc from sun.nio.ch.FileDispatcher.seek.

Sets or reports this file's position If offset is -1, the current position is returned otherwise the position is set to offset.

seek0	back to summary
pack-priv static native long seek0(FileDescriptor fd, long offset) throws IOException

setDirect0	back to summary
pack-priv static native int setDirect0(FileDescriptor fd) throws IOException

setDirectIO	back to summary
pack-priv int setDirectIO(FileDescriptor fd, String path) Implements abstract sun.nio.ch.FileDispatcher.setDirectIO.

size	back to summary
pack-priv long size(FileDescriptor fd) throws IOException Implements abstract sun.nio.ch.FileDispatcher.size.

size0	back to summary
pack-priv static native long size0(FileDescriptor fd) throws IOException

transferFrom	back to summary
pack-priv long transferFrom(FileDescriptor src, FileDescriptor dst, long position, long count, boolean append) Implements abstract sun.nio.ch.FileDispatcher.transferFrom.

transferTo	back to summary
pack-priv long transferTo(FileDescriptor src, long position, long count, FileDescriptor dst, boolean append) Implements abstract sun.nio.ch.FileDispatcher.transferTo.

transferToDirectlyNeedsPositionLock	back to summary
pack-priv boolean transferToDirectlyNeedsPositionLock() Implements abstract sun.nio.ch.FileDispatcher.transferToDirectlyNeedsPositionLock.

truncate	back to summary
pack-priv int truncate(FileDescriptor fd, long size) throws IOException Implements abstract sun.nio.ch.FileDispatcher.truncate.

truncate0	back to summary
pack-priv static native int truncate0(FileDescriptor fd, long size) throws IOException

unmap	back to summary
pack-priv int unmap(long address, long length) Implements abstract sun.nio.ch.FileDispatcher.unmap.

unmap0	back to summary
pack-priv static native int unmap0(long address, long length)

write	back to summary
pack-priv int write(FileDescriptor fd, long address, int len) throws IOException Implements abstract sun.nio.ch.NativeDispatcher.write.

write0	back to summary
pack-priv static native int write0(FileDescriptor fd, long address, int len) throws IOException

writev	back to summary
pack-priv long writev(FileDescriptor fd, long address, int len) throws IOException Implements abstract sun.nio.ch.NativeDispatcher.writev.

writev0	back to summary
pack-priv static native long writev0(FileDescriptor fd, long address, int len) throws IOException

pack-priv Class UnixFileDispatcherImpl

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