make getFD() a const method on AsyncUDPServerSocket

Summary: no need to be mutable, since it only calls AsyncUDPSocket::getFD() which is a const method

Test Plan: just compiled -- simple change

Reviewed By: afrind@fb.com

Subscribers: trunkagent, doug, folly-diffs@

FB internal diff: D1802765

Signature: t1:1802765:1422307972:eab6ab4b16407df6e5034cef78c79f45cd9fa46f

diff --git a/folly/io/async/AsyncUDPServerSocket.h b/folly/io/async/AsyncUDPServerSocket.h
index f29353348344fb1bab118ca2fb3b4f832ccc4de9..e443c00670d8d83007d31a4a765ca05af5ee2ac6 100644 (file)
--- a/folly/io/async/AsyncUDPServerSocket.h
+++ b/folly/io/async/AsyncUDPServerSocket.h
@@ -114,7 +114,7 @@ class AsyncUDPServerSocket : private AsyncUDPSocket::ReadCallback {
     socket_->resumeRead(this);
   }
 
-  int getFD() {
+  int getFD() const {
     CHECK(socket_) << "Need to bind before getting FD";
     return socket_->getFD();
   }