From b3631a7e325ee98b73f6544ae7174d7c0e8a3025 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Sun, 20 Jun 2021 16:48:53 -0400
Subject: [PATCH] Handle TLS_WANNT_POLL{IN,OUT} from tls_handshake(3)

For blocking sockets it should be retried immediately.
---
 irc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/irc.c b/irc.c
index 166d4ed..089f9ea 100644
--- a/irc.c
+++ b/irc.c
@@ -165,7 +165,9 @@ int ircConnect(const char *bindHost, const char *host, const char *port) {
 	error = tls_connect_socket(client, sock, host);
 	if (error) errx(EX_PROTOCOL, "tls_connect: %s", tls_error(client));
 
-	error = tls_handshake(client);
+	do {
+		error = tls_handshake(client);
+	} while (error == TLS_WANT_POLLIN || error == TLS_WANT_POLLOUT);
 	if (error) errx(EX_PROTOCOL, "tls_handshake: %s", tls_error(client));
 
 	return sock;