NGX_LEVEL_EVENT  3109 src/core/ngx_resolver.c                 /* select, poll, /dev/poll */       NGX_LEVEL_EVENT;
NGX_LEVEL_EVENT   285 src/event/ngx_event.c             if (ngx_add_event(rev, NGX_READ_EVENT, NGX_LEVEL_EVENT)
NGX_LEVEL_EVENT   295 src/event/ngx_event.c             if (ngx_del_event(rev, NGX_READ_EVENT, NGX_LEVEL_EVENT | flags)
NGX_LEVEL_EVENT   364 src/event/ngx_event.c             if (ngx_add_event(wev, NGX_WRITE_EVENT, NGX_LEVEL_EVENT)
NGX_LEVEL_EVENT   374 src/event/ngx_event.c             if (ngx_del_event(wev, NGX_WRITE_EVENT, NGX_LEVEL_EVENT)
NGX_LEVEL_EVENT   208 src/event/ngx_event_connect.c         event = NGX_LEVEL_EVENT;
NGX_LEVEL_EVENT   363 src/os/unix/ngx_linux_sendfile_chain.c                                                         : NGX_LEVEL_EVENT;