ghiper.c/hiperfifo.c: add comment about missing timer functionality

It takes someone to read up on the APIs of these libraries to figure out
how to do this correctly.

Reported-by: Michael Kaufmann

Closes #1253

1 files changed, 10 insertions, 1 deletions

diff --git a/docs/examples/ghiper.c b/docs/examples/ghiper.c
index a1af4c5a3..505e90ab0 100644
--- a/docs/examples/ghiper.c
+++ b/docs/examples/ghiper.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -163,6 +163,15 @@ static int update_timeout_cb(CURLM *multi, long timeout_ms, void *userp)
   MSG_OUT("*** update_timeout_cb %ld => %ld:%ld ***\n",
           timeout_ms, timeout.tv_sec, timeout.tv_usec);
 
+  /* TODO
+   *
+   * if timeout_ms is 0, call curl_multi_socket_action() at once!
+   *
+   * if timeout_ms is -1, just delete the timer
+   *
+   * for all other values of timeout_ms, this should set or *update*
+   * the timer to the new value
+   */
   g->timer_event = g_timeout_add(timeout_ms, timer_cb, g);
   return 0;
 }