If accepting_requests_ is not set Terminate() returns without doing a…

…nything.

This is a problem because based on the usage the executor is usually just calling the function in the same thread. Hence when event_base_dispatch is called the thread hangs and never sets accepting_requests.

Moving this above allows for all usage behavior.

PiperOrigin-RevId: 610492923

tensorflow_serving/util/net_http/server/internal/evhttp_server.cc

@@ -243,6 +243,8 @@ bool EvHTTPServer::StartAcceptingRequests() {
     ResolveEphemeralPort(ev_listener_, &port_);
   }
 
+  accepting_requests_.Notify();
+
   IncOps();
   server_options_->executor()->Schedule([this]() {
     NET_LOG(INFO, "Entering the event loop ...");
@@ -252,8 +254,6 @@ bool EvHTTPServer::StartAcceptingRequests() {
     DecOps();
   });
 
-  accepting_requests_.Notify();
-
   return true;
 }