- FCGI_LockControl(context, false);
- // Give the user a cookie
- FCGI_AcceptJSON(context, "Logged in", context->control_key);
+ if (FCGI_LockControl(context, false))
+ {
+ // Give the user a cookie
+ FCGI_AcceptJSON(context, "Logged in", context->control_key);
+ }
+ else
+ {
+ FCGI_RejectJSON(context, "Someone else is already logged in");
+ }