ngx_http_file_cache_lock_wait_handler   16 src/http/ngx_http_file_cache.c static void ngx_http_file_cache_lock_wait_handler(ngx_event_t *ev);
ngx_http_file_cache_lock_wait_handler  442 src/http/ngx_http_file_cache.c         c->wait_event.handler = ngx_http_file_cache_lock_wait_handler;