feat(tcp): Add support for TCP Defer Accept

This makes it so that a listening socket does not become readable for
accept() until a connection has been fully established *and* started
sending something, thus the program doesn't have to wait for the first
data. This only makes sense for client-speaks-first protocols.

Co-authored-by: Caleb Maclennan <caleb@alerque.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/tcp.c b/src/tcp.c
index e24cb0c..e84db84 100644
--- a/src/tcp.c
+++ b/src/tcp.c
@@ -109,6 +109,9 @@ static t_opt optset[] = {
     {"linger",      opt_set_linger},
         {"recv-buffer-size",     opt_set_recv_buf_size},
         {"send-buffer-size",     opt_set_send_buf_size},
+#ifdef TCP_DEFER_ACCEPT
+    {"tcp-defer-accept", opt_set_tcp_defer_accept},
+#endif
 #ifdef TCP_FASTOPEN
     {"tcp-fastopen", opt_set_tcp_fastopen},
 #endif