@@ -84,6 +84,9 @@ func NewBufReaderWithDrainbufAndBuffer(r io.Reader, drainBuffer []byte, buffer i

 func (r *bufReader) drain() {

 	for {

+		//Call to scheduler is made to yield from this goroutine.

+		//This avoids goroutine looping here when n=0,err=nil, fixes code hangs when run with GCC Go.

+		callSchedulerIfNecessary()

 		n, err := r.reader.Read(r.drainBuf)

 		r.Lock()

 		if err != nil {

@@ -98,7 +101,6 @@ func (r *bufReader) drain() {

 		}

 		r.wait.Signal()

 		r.Unlock()

-		callSchedulerIfNecessary()

 		if err != nil {

 			break

 		}