Supported by libMapRClient for hadoop-0.20.2 and hadoop-2.x
Set the working directory. All relative paths will be resolved relative to it.
For example, if you call this API to set the working directory to
/mycluster/myvolume and subsequently call
hdfsOpenFile() with the path
/temp/tmp.txt, the full path to the file to open is assumed to be
The handle of the filesystem where the directory is located. Obtain this handle with one of the
The path of the new working directory.
Returns 0 on success, -1 on error.
Check errno for error codes and meanings.
errno is set to EINVAL for invalid arguments.