Merge #41370 from justinmk/fixci

src/nvim/main.c

@@ -706,6 +706,8 @@ void os_exit(int r)
   FUNC_ATTR_NORETURN
 {
   exiting = true;
+  // Avoid recursion in case SIGTERM arrives during `os_exit`.
+  signal_reject_deadly();
 
   if (ui_client_channel_id) {
     ui_client_stop();
@@ -895,6 +897,8 @@ void preserve_exit(const char *errmsg)
   }
 
   really_exiting = true;
+  // Set this now, to neuter a stray `exit_event` on the event-loop. #39675
+  exiting = true;
   // Ignore SIGHUP while we are already exiting. #9274
   signal_reject_deadly();