ngx_http_cache_thread_event_handler   29 src/http/ngx_http_file_cache.c static void ngx_http_cache_thread_event_handler(ngx_event_t *ev);
ngx_http_cache_thread_event_handler  755 src/http/ngx_http_file_cache.c     task->event.handler = ngx_http_cache_thread_event_handler;