* java/io/FileDescriptor.java:  Implement on top of FileChannel.
	Remove native methods.

	* java/io/natFileDescriptorEcos.cc:  Remove file.
	* java/io/natFileDescriptorPosix.cc:  Remove file.
	* java/io/natFileDescriptorWin32.cc:  Remove file.
	* java/io/FileInputStream.java (ch):  Change type to FileChannelImpl.
	(<init>(File)):  Allocate a FileChannelImpl, not a FileDescriptor.
	(<init>(FileChannelImpl)):  New package-private constructor.
	(<init>(FileDescriptor)):  Extract FileChannelImpl from arg.
	(available, close, read, skip):  Implement using FileChannelImpl.
	(getFD):  Allocate FileDescriptor if needed.
	(getChannel):  Is now trivial.
	* java/io/FileOutputStream.java:  Corresponding changes.
	* java/io/RandomAccessFile.java:  Corresponding changes.

From-SVN: r78661

	* java/io/FileDescriptor.java
	(lock): New method.
	(tryLock): New method.
	(unlock): New method.
	* java/io/natFileDescriptorEcos.cc
	(lock): New method.
	(tryLock): New method.
	(unlock): New method.
	* java/io/natFileDescriptorPosix.cc
	(lock): New method.
	(tryLock): New method.
	(unlock): New method.
	* java/io/natFileDescriptorWin32.cc
	(lock): New method.
	(tryLock): New method.
	(unlock): New method.

From-SVN: r76421

	* java/io/natFileDescriptorPosix.cc (write): Try again on EINTR.
	(write): Likewise.
	(read): Likewise.
	(read): Likewise.

From-SVN: r69807

	* libjava/include/posix.h (O_SYNC): Define if not available
	and a reasonable, perhaps more conservative, replacement exists.
	(O_DSYNC): Likewise.
	* java/io/natFileDescriptorPosix.cc (open): Revert last patch.

From-SVN: r67517

	* java/io/natFileDescriptorPosix.cc
	(open): Commented out the O_SYNC and O_DSYNC usage until its better
	tested.

From-SVN: r66859

       * java/io/FileDescriptor.java
       (SYNC): New constant.
       (DSYNC): Likewise.
       (getLength): Renamed from lenght() to match classpath's
       FileDescriptor.java.
       * java/io/RandomAccessFile.java
       (RandomAccessFile): Removed unneeded mode check, implemented mode
       "rws" and "rwd", merged documentation from classpath.
       (setLength): Reformatted.
       (length): Use new getLength() of FileDescriptor.
       * java/io/natFileDescriptorEcos.cc
       (getLength): Renamed from length().
       * java/io/natFileDescriptorPosix.cc
       (open): Implemented support for SYNC and DSYNC.
       (seek): Use getLength() instead of length().
       (getLength): Renamed from length().
       * java/io/natFileDescriptorWin32.cc
       (getLength): Renamed from length().
       (seek): Use getLength() instead of length().
       (available): Likewise.
       * gnu/java/nio/natFileChannelImpl.cc
       (size): Use getLength() instead of length().

From-SVN: r66755

	PR libgcj/9934:
	* java/io/natFileDescriptorPosix.cc (available): Fixed arguments
	to lseek.  Return 0 if we can't compute the value.

From-SVN: r64053

        * java/io/FileDescriptor.java (position): New private field.
        * java/io/natFileDescriptorPosix.cc (write): Up position.
        (setLength): Use and set position.
        (seek): Set position.
        (getFilePointer): Return position.
        (read): Up position.

From-SVN: r60869

	* java/io/natFileDescriptorWin32.cc (read): Handle case where
	count is 0.
	* java/io/natFileDescriptorPosix.cc (read): Handle case where
	count is 0.

From-SVN: r58997

	* java/io/natFileDescriptorPosix.cc (setLength): Handle case where
	ftruncate is missing.
	* configure, include/config.h.in: Rebuilt.
	* acconfig.h (HAVE_FTRUNCATE): Mention.
	* configure.in: Check for ftruncate.

From-SVN: r56658