Work on exceptions.

Added props exception macro to make the set/get prop switch statements easier.
Made use of boost throw exception macro for throw-site information in throw assert.

1 files changed, 2 insertions, 1 deletions

diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
index 0fa56c339..11ad812e1 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
@@ -202,9 +202,10 @@ void usrp2_impl::get(const wax::obj &key_, wax::obj &val){
         val = size_t(_max_tx_samples_per_packet);
         return;
 
+    default: UHD_THROW_PROP_WRITE_ONLY();
     }
 }
 
 void usrp2_impl::set(const wax::obj &, const wax::obj &){
-    throw std::runtime_error("Cannot set in usrp2 device");
+    UHD_THROW_PROP_READ_ONLY();
 }