+ /*
+ * If r/wcb is executing, release the
+ * conn_mutex lock, and try again since
+ * the r/wcb may use the conn_mutex lock.
+ */
+ if (fdset_try_del(&vhost_user.fdset,
+ conn->connfd) == -1) {
+ pthread_mutex_unlock(
+ &vsocket->conn_mutex);
+ goto again;
+ }
+