void vcl_sapi_app_worker_del (vcl_worker_t * wrk);
void vcl_sapi_detach (vcl_worker_t * wrk);
int vcl_sapi_recv_fds (vcl_worker_t * wrk, int *fds, int n_fds);
void vcl_sapi_app_worker_del (vcl_worker_t * wrk);
void vcl_sapi_detach (vcl_worker_t * wrk);
int vcl_sapi_recv_fds (vcl_worker_t * wrk, int *fds, int n_fds);