On Tue, Aug 19, 2025 at 2:45 PM <[email protected]> wrote:
>
> Author: rpluem
> Date: Tue Aug 19 12:45:15 2025
> New Revision: 1927885
>
> Log:
> Make the value set for the socket option TCP_DEFER_ACCEPT configurable
>
> * include/ap_listen.h:
> - Add prototype for include/ap_listen.heraccept
> - Wire in new directive ListenTCPDeferAccept
>
> * include/mpm_common.h:
> Define the previous static value as default value via
> DEFAULT_TCP_DEFER_ACCEPT
>
> * server/listen.c:
> - Add static int ap_listentcpdeferaccept
> - ap_apply_accept_filter: Use value of ap_listenbacklog for setting
> TCP_DEFER_ACCEPT
> - ap_listen_pre_config: Set default value
> - Add ap_set_listentcpdeferaccept
>
> Modified:
> httpd/httpd/trunk/include/ap_listen.h
> httpd/httpd/trunk/include/mpm_common.h
> httpd/httpd/trunk/server/listen.c
[]
> --- httpd/httpd/trunk/server/listen.c Tue Aug 19 12:45:02 2025
> (r1927884)
> +++ httpd/httpd/trunk/server/listen.c Tue Aug 19 12:45:15 2025
> (r1927885)
[]
> @@ -287,7 +288,7 @@ static void ap_apply_accept_filter(apr_p
> accf);
> }
> #else
> - rv = apr_socket_opt_set(s, APR_TCP_DEFER_ACCEPT, 30);
> + rv = apr_socket_opt_set(s, APR_TCP_DEFER_ACCEPT, ap_listenbacklog);
Should this use ap_listentcpdeferaccept rather than ap_listenbacklog?
> if (rv != APR_SUCCESS && !APR_STATUS_IS_ENOTIMPL(rv)) {
> ap_log_perror(APLOG_MARK, APLOG_WARNING, rv, p, APLOGNO(00076)
> "Failed to enable APR_TCP_DEFER_ACCEPT");
Cheers;
Yann.
