I think that the socket is invalid, the return should be -1.

3ea3b8df · 冉正源 · 6a46244a · 3ea3b8df
Commit 3ea3b8df authored Mar 19, 2014 by 冉正源
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mongoose.c mongoose.c +1 -1

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--- a/mongoose.c
+++ b/mongoose.c
@@ -769,7 +769,7 @@ int ns_server_poll(struct ns_server *server, int milli) {
  time_t current_time = time(NULL);
  if (server->listening_sock == INVALID_SOCKET &&
-      server->active_connections == NULL) return 0;
+      server->active_connections == NULL) return -1;
  FD_ZERO(&read_set);
  FD_ZERO(&write_set);