1 files changed, 6 insertions, 4 deletions
diff --git a/bbot/tftp.hxx b/bbot/tftp.hxx
index c9a88c9..cdd0e3e 100644
--- a/bbot/tftp.hxx
+++ b/bbot/tftp.hxx
@@ -29,12 +29,14 @@ namespace bbot
     uint16_t
     port () const;
 
-    // Wait for a TFTP request for up to the specified number of seconds.
-    // Update the timeout value as well as return true if a request was
-    // served and false otherwise.
+    // Wait for a TFTP request for up to the specified number of seconds.  If
+    // increment is not 0, then wait in the specified incremenets (i.e., wait
+    // for up to that number of seconds; useful when one needs to also
+    // periodically check for something else). Update the timeout value as
+    // well as return true if a request was served and false otherwise.
     //
     bool
-    serve (size_t& seconds);
+    serve (size_t& seconds, size_t increment = 0);
 
   private:
     auto_fd fd_;