2 files changed, 5 insertions, 4 deletions
diff --git a/gnuradio-core/src/lib/io/gr_udp_sink.i b/gnuradio-core/src/lib/io/gr_udp_sink.i
index fc8059f36..a71006ae0 100755
--- a/gnuradio-core/src/lib/io/gr_udp_sink.i
+++ b/gnuradio-core/src/lib/io/gr_udp_sink.i
@@ -26,14 +26,15 @@ GR_SWIG_BLOCK_MAGIC(gr,udp_sink)
 gr_udp_sink_sptr 
 gr_make_udp_sink (size_t itemsize, 
 		  const char *host, unsigned short port,
-		  int payload_size=1472, bool eof=true);
+		  int payload_size=1472, bool eof=true) throw (std::runtime_error);
 
 class gr_udp_sink : public gr_sync_block
 {
  protected:
   gr_udp_sink (size_t itemsize, 
 	       const char *host, unsigned short port,
-	       int payload_size, bool eof);
+	       int payload_size, bool eof) 
+    throw (std::runtime_error);
 
  public:
   ~gr_udp_sink ();
diff --git a/gnuradio-core/src/lib/io/gr_udp_source.i b/gnuradio-core/src/lib/io/gr_udp_source.i
index e1b23074d..2001f33e9 100755
--- a/gnuradio-core/src/lib/io/gr_udp_source.i
+++ b/gnuradio-core/src/lib/io/gr_udp_source.i
@@ -25,13 +25,13 @@ GR_SWIG_BLOCK_MAGIC(gr,udp_source)
 gr_udp_source_sptr 
 gr_make_udp_source (size_t itemsize, const char *host, 
 		    unsigned short port, int payload_size=1472,
-		    bool eof=true, bool wait=true);
+		    bool eof=true, bool wait=true) throw (std::runtime_error);
 
 class gr_udp_source : public gr_sync_block
 {
  protected:
   gr_udp_source (size_t itemsize, const char *host, 
-		 unsigned short port, int payload_size, bool eof, bool wait);
+		 unsigned short port, int payload_size, bool eof, bool wait) throw (std::runtime_error);
 
  public:
   ~gr_udp_source ();