hdfs::native::hdfsFileGetReadStatistics

pub unsafe extern fn hdfsFileGetReadStatistics(file: *const hdfsFile, stats: &mut *mut hdfsReadStatistics) -> c_int

Get read statistics about a file. This is only applicable to files opened for reading.

Params

• file - The HDFS file
• stats - (out parameter) on a successful return, the read statistics.
  Unchanged otherwise. You must free the returned statistics with hdfsFileFreeReadStatistics.

Return

• 0 if the statistics were successfully returned,
• -1 otherwise. On a failure, please check errno against
• ENOTSUP. webhdfs, LocalFilesystem, and so forth may not support read statistics.