From bc5de50bc93360447d3afb001eca8a43a848d7f3 Mon Sep 17 00:00:00 2001
From: markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Mon, 31 May 2004 19:40:23 +0000
Subject: More BSD compile fixes (bugs #1754 and #1756)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@3121 f38db490-d61c-443f-a65b-d21fe96a405b
---
 dns.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'dns.c')

diff --git a/dns.c b/dns.c
index 33974aa14..0ec7d6d51 100755
--- a/dns.c
+++ b/dns.c
@@ -154,8 +154,11 @@ static int dns_parse_answer(void *context,
 #if defined(res_ninit)
 #define HAS_RES_NINIT
 #else
+static ast_mutex_t res_lock = AST_MUTEX_INITIALIZER;
+#if 0
 #warning "Warning, res_ninit is missing...  Could have reentrancy issues"
 #endif
+#endif
 
 int ast_search_dns(void *context,
 				   const char *dname, int class, int type,
@@ -171,6 +174,7 @@ int ast_search_dns(void *context,
 	res_ninit(&dnsstate);
 	res = res_nsearch(&dnsstate, dname, class, type, answer, sizeof(answer));
 #else
+	ast_mutex_lock(&res_lock);
 	res_init();
 	res = res_search(dname, class, type, answer, sizeof(answer));
 #endif
@@ -192,6 +196,7 @@ int ast_search_dns(void *context,
 #ifndef __APPLE__
 	res_close();
 #endif
+	ast_mutex_unlock(&res_lock);
 #endif
 	return ret;
 }
-- 
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