HDFS-10508. DFSInputStream should set thread's interrupt status after catching InterruptException from sleep. Contributed by Jing Zhao.

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java

@@ -306,6 +306,7 @@ public class DFSInputStream extends FSInputStream
     try {
       Thread.sleep(waitTime);
     } catch (InterruptedException e) {
+      Thread.currentThread().interrupt();
       throw new InterruptedIOException(
           "Interrupted while getting the last block length.");
     }
@@ -417,6 +418,7 @@ public class DFSInputStream extends FSInputStream
         try {
           Thread.sleep(500); // delay between retries.
         } catch (InterruptedException e) {
+          Thread.currentThread().interrupt();
           throw new InterruptedIOException(
               "Interrupted while getting the length.");
         }
@@ -1063,6 +1065,7 @@ public class DFSInputStream extends FSInputStream
               " IOException, will wait for " + waitTime + " msec.");
           Thread.sleep((long)waitTime);
         } catch (InterruptedException e) {
+          Thread.currentThread().interrupt();
           throw new InterruptedIOException(
               "Interrupted while choosing DataNode for read.");
         }