From 4188bbd3d3fb52518994a5570fc10fe7549071ad Mon Sep 17 00:00:00 2001
From: Andrew Leech <andrew@alelec.net>
Date: Fri, 29 Apr 2022 20:24:19 +1000
Subject: [PATCH] extmod/modussl_mbedtls: Poll EVENT_POLL_HOOK in ssl handshake
 loop.

Otherwise this is essentially an infinite loop on ports that do not use
interrupts to service network interfaces.

Signed-off-by: Andrew Leech <andrew@alelec.net>
---
 extmod/modussl_mbedtls.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extmod/modussl_mbedtls.c b/extmod/modussl_mbedtls.c
index 0d5d4197cc..44668ae63b 100644
--- a/extmod/modussl_mbedtls.c
+++ b/extmod/modussl_mbedtls.c
@@ -242,6 +242,9 @@ STATIC mp_obj_ssl_socket_t *socket_new(mp_obj_t sock, struct ssl_args *args) {
             if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 goto cleanup;
             }
+            #ifdef MICROPY_EVENT_POLL_HOOK
+            MICROPY_EVENT_POLL_HOOK
+            #endif
         }
     }