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-rw-r--r--nptl/tst-mutex6.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/nptl/tst-mutex6.c b/nptl/tst-mutex6.c
index e5698c3eb0..de64bdb435 100644
--- a/nptl/tst-mutex6.c
+++ b/nptl/tst-mutex6.c
@@ -69,5 +69,7 @@ do_test (void)
 }
 
 #define EXPECTED_SIGNAL SIGALRM
-#define TEST_FUNCTION do_test ()
+#ifndef TEST_FUNCTION
+# define TEST_FUNCTION do_test ()
+#endif
 #include "../test-skeleton.c"