Summary:
This change updates PosixSequentialFile::Read to call clearerr()
before fread()ing again after an EINTR is returned on a previous
fread.
The original fix is from bd8f1ebb91.
Fixing https://github.com/facebook/rocksdb/issues/6509
Signed-off-by: phantomape <cxucheng@outlook.com>
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6609
Reviewed By: zhichao-cao
Differential Revision: D20731482
Pulled By: riversand963
fbshipit-source-id: 7f1f3a1449077d5560f45c465a78d08633740ba0