ngx_event_pipe_drain_chains   20 event/ngx_event_pipe.c static ngx_int_t ngx_event_pipe_drain_chains(ngx_event_pipe_t *p);
ngx_event_pipe_drain_chains  445 event/ngx_event_pipe.c             return ngx_event_pipe_drain_chains(p);
ngx_event_pipe_drain_chains  468 event/ngx_event_pipe.c                     return ngx_event_pipe_drain_chains(p);
ngx_event_pipe_drain_chains  486 event/ngx_event_pipe.c                     return ngx_event_pipe_drain_chains(p);
ngx_event_pipe_drain_chains  638 event/ngx_event_pipe.c             return ngx_event_pipe_drain_chains(p);