static ngx_inline void
ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool)
{
    ngx_pool_cleanup_t  *cln;
    cln = pool->cleanup;
    while (cln && cln->handler == ngx_http_limit_conn_cleanup)
    {
        ngx_http_limit_conn_cleanup(cln->data);
        cln = cln->next;
    }
    pool->cleanup = cln;
}
static ngx_inline void
ngx_http_limit_conn_cleanup_all(ngx_pool_t *pool)
{
    syslog(LOG_INFO, "[%s:%s:%d]", __FILE__, __func__, __LINE__);
    ngx_pool_cleanup_t  *cln;

    cln = pool->cleanup;

    while (cln && cln->handler == ngx_http_limit_conn_cleanup) {
        ngx_http_limit_conn_cleanup(cln->data);
        cln = cln->next;
    }

    pool->cleanup = cln;
}