commit 551fafbce777ab0b5056c4934dea3e4477e7e911
author William A. Kennington III <wak@google.com> Fri May 08 02:43:01 2020 -0700
committer Matt Spinler <spinler@us.ibm.com> Mon May 18 21:07:13 2020 +0000
tree b7633986c3db63862520b3e661ee13bdbe50b4df
parent 2bb2d6bad2e72675f0ab39f230cadfb9dc5eed14

mapper: Retry if mapper is unavailable

Sometimes mapper waits begin executing before the mapper is available to
respond to requests. This will result in a EHOSTUNREACH being returned
by the broker. We always want to retry and see if the broker becomes
available in these cases.

Change-Id: Id3576ddc7e82904bb55062e63506042bec826983
Signed-off-by: William A. Kennington III <wak@google.com>

libmapper/app.c

diff --git a/libmapper/app.c b/libmapper/app.c
index 534ea7e..45173bb 100644
--- a/libmapper/app.c
+++ b/libmapper/app.c
@@ -91,7 +91,7 @@
         {
             fprintf(stderr, "Event loop exited: %s\n", strerror(-r));
 
-            if (-r == ETIMEDOUT)
+            if (-r == ETIMEDOUT || -r == EHOSTUNREACH)
             {
                 if (attempts <= max_attempts)
                 {