'busy waiting? you're not serious' said the Thr...

'busy waiting? you're not serious' said the Thread and went to sleep(1).

1 files changed, 4 insertions, 2 deletions

diff --git a/src/library/jvm/scala/io/BufferedSource.scala b/src/library/jvm/scala/io/BufferedSource.scala
index 5c49855ed4..99d8d036ae 100644
--- a/src/library/jvm/scala/io/BufferedSource.scala
+++ b/src/library/jvm/scala/io/BufferedSource.scala
@@ -59,9 +59,11 @@ abstract class BufferedSource(byteChannel: ReadableByteChannel, decoder: Charset
   def fillBuffer() = {
     byteBuffer.compact()
     charBuffer.position(0)
-    int num_bytes = 0;
-    while (0 == num_bytes)
+    var num_bytes = byteChannel.read(byteBuffer)
+    while (0 == num_bytes) {
+      Thread.sleep(1);  // wait 1 ms for new data
       num_bytes = byteChannel.read(byteBuffer)
+    }
     num_bytes match {
       case -1 =>
         endOfInput = true;