prevent segfaults

frankenphp.c

@@ -644,8 +644,7 @@ sapi_module_struct frankenphp_sapi_module = {
 
 static void *manager_thread(void *arg) {
 #ifdef ZTS
-  // TODO: use tsrm_startup() directly as we know the number of expected threads
-  php_tsrm_startup();
+  php_tsrm_startup_ex(*((int *)arg));
   /*tsrm_error_set(TSRM_ERROR_LEVEL_INFO, NULL);*/
 #ifdef PHP_WIN32
   ZEND_TSRMLS_CACHE_UPDATE();