diff --git a/examples/device-dashboard/web.c b/examples/device-dashboard/web.c
index 613ea15f..4fcd060d 100644
--- a/examples/device-dashboard/web.c
+++ b/examples/device-dashboard/web.c
@@ -31,7 +31,8 @@ static bool update_config(struct mg_http_message *hm, struct config *cfg) {
   }
   if (mg_http_get_var(&hm->body, "value2", buf, sizeof(buf)) > 0) {
     free(cfg->value2);
-    cfg->value2 = strdup(buf);
+    cfg->value2 = malloc(strlen(buf) + 1);
+    strcpy(cfg->value2, buf);
     changed = true;
   }
   return changed;
@@ -82,7 +83,9 @@ void device_dashboard_fn(struct mg_connection *c, int ev, void *ev_data,
     struct user *u = getuser(hm);
     // MG_INFO(("%p [%.*s] auth %s", c->fd, (int) hm->uri.len, hm->uri.ptr,
     // u ? u->name : "NULL"));
-    if (u == NULL && mg_http_match_uri(hm, "/api/#")) {
+    if (mg_http_match_uri(hm, "/api/hi")) {
+      mg_http_reply(c, 200, "", "hi\n");  // Testing endpoint
+    } else if (u == NULL && mg_http_match_uri(hm, "/api/#")) {
       // All URIs starting with /api/ must be authenticated
       mg_printf(c, "%s", "HTTP/1.1 403 Denied\r\nContent-Length: 0\r\n\r\n");
     } else if (mg_http_match_uri(hm, "/api/config/get")) {
diff --git a/mongoose.c b/mongoose.c
index 76dac558..a36ccb8e 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -3288,6 +3288,9 @@ static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
     if (n > 0) setlocaddr(FD(c), &c->loc);
   } else {
     n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+#if MG_ARCH == MG_ARCH_RTX
+    if (n == BSD_EWOULDBLOCK) return 0;
+#endif
   }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;
 }
diff --git a/src/sock.c b/src/sock.c
index 9144df87..b71a1d10 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -152,6 +152,9 @@ static long mg_sock_send(struct mg_connection *c, const void *buf, size_t len) {
     if (n > 0) setlocaddr(FD(c), &c->loc);
   } else {
     n = send(FD(c), (char *) buf, len, MSG_NONBLOCKING);
+#if MG_ARCH == MG_ARCH_RTX
+    if (n == BSD_EWOULDBLOCK) return 0;
+#endif
   }
   return n == 0 ? -1 : n < 0 && mg_sock_would_block() ? 0 : n;
 }