Ignore ENOPROTOOPT return from setsockopt(SO_LINGER)

[debian/gnuradio] / gnuradio-core / src / lib / io / gr_udp_source.cc

diff --git a/gnuradio-core/src/lib/io/gr_udp_source.cc b/gnuradio-core/src/lib/io/gr_udp_source.cc
old mode 100644 (file)
new mode 100755 (executable)
index d76d0ee..fed5b61
--- a/gnuradio-core/src/lib/io/gr_udp_source.cc
+++ b/gnuradio-core/src/lib/io/gr_udp_source.cc
@@ -110,8 +110,10 @@ gr_udp_source::open()
   lngr.l_onoff  = 1;
   lngr.l_linger = 0;
   if(setsockopt(d_socket, SOL_SOCKET, SO_LINGER, (optval_t)&lngr, sizeof(linger)) == -1) {
-    perror("SO_LINGER");
-    throw std::runtime_error("can't set socket option SO_LINGER");
+    if(errno != ENOPROTOOPT) {  // no SO_LINGER for SOCK_DGRAM on Windows
+      perror("SO_LINGER");
+      throw std::runtime_error("can't set socket option SO_LINGER");
+    }
   }
 
   // Set a timeout on the receive function to not block indefinitely