[BUG] we must not exit if protocol binding only returns a warning

Right now, protocol binding cannot return a warning, but when this
will happen, we must not exit but just print the warning.
(cherry picked from commit 0a3b9d90d3570cb618c7008cd1d7348d48a3868c)
(cherry picked from commit 035514abcf6139ff7da2b54f89c17117b6ddf57f)

diff --git a/src/haproxy.c b/src/haproxy.c
index 9b4c2a961cdf171287c5200b2af36275fd42083d..1dfce4aef07c11292ce6b5e162181603cb80cef2 100644 (file)
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -870,7 +870,7 @@ int main(int argc, char **argv)
        }
 
        /* Note: start_proxies() sends an alert when it fails. */
-       if (err != ERR_NONE) {
+       if ((err & ~ERR_WARN) != ERR_NONE) {
                if (retry != MAX_START_RETRIES && nb_oldpids)
                        tell_old_pids(SIGTTIN);
                exit(1);
@@ -883,7 +883,7 @@ int main(int argc, char **argv)
                exit(1);
        }
 
-       if (protocol_bind_all() != ERR_NONE) {
+       if ((protocol_bind_all() & ~ERR_WARN) != ERR_NONE) {
                Alert("[%s.main()] Some protocols failed to start their listeners! Exiting.\n", argv[0]);
                protocol_unbind_all(); /* cleanup everything we can */
                if (nb_oldpids)