From ec00670eb7dba716c819fc642f05777b822644de Mon Sep 17 00:00:00 2001
From: ligd <liguiding@pinecone.net>
Date: Thu, 8 Nov 2018 08:33:13 -0600
Subject: [PATCH] libs/libc/netdb/lib_dnsbind.c:  Make DNS recevie timeout
 configurable.

---
 libs/libc/netdb/Kconfig       | 7 +++++++
 libs/libc/netdb/lib_dnsbind.c | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/libs/libc/netdb/Kconfig b/libs/libc/netdb/Kconfig
index b54ff676a4..5e51ab3b4e 100644
--- a/libs/libc/netdb/Kconfig
+++ b/libs/libc/netdb/Kconfig
@@ -54,6 +54,13 @@ menuconfig NETDB_DNSCLIENT
 
 if NETDB_DNSCLIENT
 
+config NETDB_DNSCLIENT_RECV_TIMEOUT
+	int "DNS receive tiemout"
+	default 30
+	---help---
+		This the timeout value when DNS receive response after
+		dns_send_query, unit: seconds
+
 config NETDB_DNSCLIENT_ENTRIES
 	int "Number of DNS resolver entries"
 	default 0 if DEFAULT_SMALL
diff --git a/libs/libc/netdb/lib_dnsbind.c b/libs/libc/netdb/lib_dnsbind.c
index 3c1645f7a1..d430b2b683 100644
--- a/libs/libc/netdb/lib_dnsbind.c
+++ b/libs/libc/netdb/lib_dnsbind.c
@@ -107,7 +107,7 @@ int dns_bind(void)
 
   /* Set up a receive timeout */
 
-  tv.tv_sec  = 30;
+  tv.tv_sec  = CONFIG_NETDB_DNSCLIENT_RECV_TIMEOUT;
   tv.tv_usec = 0;
 
   ret = setsockopt(sd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(struct timeval));