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, 11 insertions, 3 deletions

diff --git a/docs/examples/hiperfifo.c b/docs/examples/hiperfifo.c
index f08fcda99..45b69b0d1 100644
--- a/docs/examples/hiperfifo.c
+++ b/docs/examples/hiperfifo.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
@@ -108,8 +108,6 @@ typedef struct _SockInfo
   GlobalInfo *global;
 } SockInfo;
 
-
-
 /* Update the event timer after curl_multi library calls */
 static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
 {
@@ -119,6 +117,16 @@ static int multi_timer_cb(CURLM *multi, long timeout_ms, GlobalInfo *g)
   timeout.tv_sec = timeout_ms/1000;
   timeout.tv_usec = (timeout_ms%1000)*1000;
   fprintf(MSG_OUT, "multi_timer_cb: Setting timeout to %ld ms\n", timeout_ms);
+
+  /* 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
+   */
   evtimer_add(g->timer_event, &timeout);
   return 0;
 }