ADM_update_job.cpp creation of job controller added

examples/cxx/ADM_update_job.cpp

@@ -57,7 +57,17 @@ main(int argc, char* argv[]) {
             admire::adhoc_storage::access_type::read_write, 42, 100, false);
 
     admire::job_requirements reqs{inputs, outputs, std::move(p)};
-    const auto job = admire::register_job(server, reqs);
+    
+    try {
+        [[maybe_unused]] const auto job = admire::register_job(server, reqs);
+
+        fmt::print(stdout, "ADM_register_job() remote procedure completed "
+                           "successfully\n");
+        exit(EXIT_SUCCESS);
+    } catch(const std::exception& e) {
+        fmt::print(stderr, "FATAL: ADM_register_job() failed: {}\n", e.what());
+        exit(EXIT_FAILURE);
+    }
 
 
     std::vector<admire::dataset> new_inputs;