(wait_reading_process_output): Add comment and URL.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index 02eb1122a07..a02ba44ae71 100644
--- a/src/process.c
+++ b/src/process.c
@@ -4625,7 +4625,11 @@ wait_reading_process_output (int time_limit, int microsecs, int read_kbd,
               if (! wait_proc)
                 {
                   /* We're not waiting on a specific process, so loop
-                     through all the channels and check for data. */
+                     through all the channels and check for data.
+                     This is a workaround needed for some versions of
+                     the gnutls library -- 2.12.14 has been confirmed
+                     to need it.  See
+                     http://comments.gmane.org/gmane.emacs.devel/145074 */
                   struct Lisp_Process *proc;
                   for (channel = 0; channel < MAXDESC; ++channel)
                     {