ngx_del_conn     1030 src/core/ngx_connection.c     if (ngx_del_conn) {
ngx_del_conn     1031 src/core/ngx_connection.c         ngx_del_conn(c, NGX_CLOSE_EVENT);
ngx_del_conn     1047 src/os/unix/ngx_process_cycle.c                 ngx_del_conn(c, 0);