review fixes

Author: DrDet

server/php-engine.cpp

@@ -2424,8 +2424,13 @@ bool check_server_options() {
   const auto& rpc_server_ctx = vk::singleton<RpcServerContext>::get();
   size_t general_workers_cnt = vk::singleton<WorkersControl>::get().get_count(WorkerType::general_worker);
 
+  if (run_once && (http_server_ctx.server_enabled() || rpc_server_ctx.server_enabled())) {
+    kprintf("You can't start RPC or HTTP server in run-once mode\n");
+    return false;
+  }
+
   if (!master_flag && (http_server_ctx.server_enabled() || rpc_server_ctx.server_enabled())) {
-    kprintf("Server mode is not supported without workers, yo must specify -f/--workers-num <n>\n");
+    kprintf("Server mode is not supported without workers, you must specify -f/--workers-num <n>\n");
     return false;
   }
 

server/php-script-run-once-invoker.cpp

@@ -41,7 +41,11 @@ void PhpScriptRunOnceInvoker::init(int total_run_once_count) {
   }
 
   rpc_client_methods.rpc_ready = nullptr;
-  epoll_insert_pipe(pipe_for_read, read_fd, &ct_php_rpc_client, &rpc_client_methods);
+  auto* connection = epoll_insert_pipe(pipe_for_read, read_fd, &ct_php_rpc_client, &rpc_client_methods);
+  if (connection == nullptr) {
+    kprintf("Failed to insert pipe to epoll reactor\n");
+    exit(1);
+  }
 }
 
 bool PhpScriptRunOnceInvoker::invoke_run_once(int runs_count) {