Complain if we cannot probe TCP keepalive parameters.

20ef818a · Poul-Henning Kamp · a1e20fac · 20ef818a
Commit 20ef818a authored Mar 12, 2015 by Poul-Henning Kamp
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mgt_param_tcp.c bin/varnishd/mgt/mgt_param_tcp.c +4 -1

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--- a/bin/varnishd/mgt/mgt_param_tcp.c
+++ b/bin/varnishd/mgt/mgt_param_tcp.c
@@ -114,8 +114,11 @@ tkp_callback(void *priv, const struct suckaddr *sa)
 static void
 tcp_keep_probes(void)
 {
+	const char *err;
 	/* Probe a dummy socket for default values */
-	(void)VSS_resolver(":0", NULL, tkp_callback, NULL, NULL);
+	(void)VSS_resolver(":0", NULL, tkp_callback, NULL, &err);
+	if (err != NULL)
+		ARGV_ERR("Could not probe TCP keepalives: %s", err);
 }
 #endif