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-rw-r--r--nptl/pthreadP.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h
index 46e24761af..85fb9b8e48 100644
--- a/nptl/pthreadP.h
+++ b/nptl/pthreadP.h
@@ -97,6 +97,9 @@ enum
   = PTHREAD_MUTEX_PRIO_PROTECT_NP | PTHREAD_MUTEX_ADAPTIVE_NP
 };
 
+#define PTHREAD_MUTEX_TYPE(m) \
+  ((m)->__data.__kind)
+
 /* Ceiling in __data.__lock.  __data.__lock is signed, so don't
    use the MSB bit in there, but in the mask also include that bit,
    so that the compiler can optimize & PTHREAD_MUTEX_PRIO_CEILING_MASK