[mythtv] [patch] ThreadedFileWriter::DiskLoop

[Jim Westfall]

Attached patch stops 100% cpu usage on the backend when there is no data 
coming from a recorder class.

jim
-------------- next part --------------
--- mythtv/libs/libmythtv/RingBuffer.cpp.orig	2005-02-07 21:46:02.297327128 -0800
+++ mythtv/libs/libmythtv/RingBuffer.cpp	2005-02-07 22:03:54.875270496 -0800
@@ -268,10 +268,11 @@
     {
         size = BufUsed();
 
-        if ((!in_dtor) &&
+        if ((!size) ||
+	    ((!in_dtor) &&
             (!flush) &&
             (((unsigned) size < tfw_min_write_size) && 
-             ((unsigned) written >= tfw_min_write_size)))
+             ((unsigned) written >= tfw_min_write_size))))
         {
             usleep(500);
             continue;