From 00ba7cdd0608b1507027428f9f87b1cb9747372b Mon Sep 17 00:00:00 2001
From: Dengke Du <dengke.du@windriver.com>
Date: Thu, 9 Feb 2017 15:54:53 +0800
Subject: [PATCH] lib: Use PTHREAD_MUTEX_RECURSIVE in place of
 PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP for non-glibc

e.g. musl does not implement the _NP mutex types

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Dengke Du <dengke.du@windriver.com>
---
 lib/tst_res.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/tst_res.c b/lib/tst_res.c
index 61daaeb..435224f 100644
--- a/lib/tst_res.c
+++ b/lib/tst_res.c
@@ -79,7 +79,11 @@ int TEST_ERRNO;
 	assert(strlen(buf) > 0);		\
 } while (0)
 
+#ifdef __GLIBC__
 static pthread_mutex_t tmutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+#else
+static pthread_mutex_t tmutex = {  PTHREAD_MUTEX_RECURSIVE };
+#endif
 
 static void check_env(void);
 static void tst_condense(int tnum, int ttype, const char *tmesg);
-- 
2.7.4