NGX_AT_FDCWD      690 src/core/ngx_open_file_cache.c         at_fd = NGX_AT_FDCWD;
NGX_AT_FDCWD      725 src/core/ngx_open_file_cache.c         if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {
NGX_AT_FDCWD      770 src/core/ngx_open_file_cache.c     if (at_fd != NGX_AT_FDCWD && ngx_close_file(at_fd) == NGX_FILE_ERROR) {